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Dr. B. (Bas) van Geel

Associate Professor
Faculteit der Natuurwetenschappen, Wiskunde en Informatica
Institute for Biodiversity and Ecosystem Dynamics
Fotograaf: onbekend

Bezoekadres
  • Science Park 904
Postadres
  • Postbus 94240
    1090 GE Amsterdam
  • Profile

    Short CV and selection of publications

    Present position:

    Universitair Hoofddocent Paleo-ecologie,
    Department of Paleoecology and Landscape Ecology,
    Institute for Biodiversity and Ecosystem Dynamics,
    Universiteit van Amsterdam,
    Science Park 904, 1098 XH Amsterdam,
    The Netherlands

    Academic record and employment:

    'Doctoraal examen' (compare MSc) cum laude on 24-5-1972 at Universiteit van Amsterdam.

    PhD: on 3-11-1976 at Universiteit van Amsterdam.

    • Part-time research position at the 'Instituut voor Prae- en Protohistorie' (1-1-1975 to 1-7-1978) and also a part-time position at the Department of Palynology and Paleo/Actuo-Ecology (1-3-1975 to 1-7-1978).
    • From 1-7-1978 untill present: full-time position at Institute for Biodiversity and Ecosystem Dynamics.

    Bas van Geel (1947) is a Quaternary paleoecologist/paleoclimatologist who studied Late Glacial and Holocene lake deposits, fens, bogs and archaeological sites. During the last 40 years links were made between paleoecology, paleoclimatology, environmental archeology and isotope physics. In palynological studies van Geel also explored non-pollen palynomorphs, in combination with macrofossil analysis. Among the newly distinguished non-pollen palynomorphs are representatives of cyanobacteria, fungi and algae.

    Van Geel published, together with the isotope physicist Mook, the perspectives of  14C wiggle-match dating of organic deposits. Although initially from a theoretical point of view, they already realised the potential value of this dating strategy. Not only because dating of organic deposits would become more precise, but especially because making a direct link between sediment and peatbog studies and changes in atmospheric 14C concentration (mainly brought about by changing solar activity) would allow a step forward to be made in understanding climate change in the past. Together with van der Plicht (Groningen) considerable progress was made in understanding solar forcing as a factor in climate change. It became evident that the Subboreal-Subatlantic climatic transition (850 yr BC) was triggered by a sudden decline of solar activity, and the socio-economic effects of that climatic change for Late Bronze Age farming communities in areas that were already marginal from a hydrological point ofview becameevident. Also the expansion of the Central Asian horse-riding Scythian culture could be linked to the abrupt climatic shift around 850 yr BC. Summarising the research by van Geel concerns two (connected) main lines:

    1. exploration of the paleoecological indicator value of all available microfossils and macrofossils in fine-resolution palynological studies of lake deposits, fens, bogs and archaeological sites. 
    2. 14C wiggle-match dating and the study of ∆14C as a climate proxy (solar forcing of climate change and climatic teleconnections).

    Selection of publications:

    • van Geel, B., Coope, G.R and van der Hammen, T. 1989. Palaeoecology and stratigraphy of the Lateglacial type section at Usselo (the Netherlands). Rev. Palaeobot. Palynol. 60: 25-129.
    • van Geel, B., Buurman, J. and Waterbolk, H.T., 1996. Archaeological and palaeoecological indications for an abrupt climate change in The Netherlands and evidence for climatological teleconnections around 2650 BP. Journal of Quaternary Science 11: 451-460.
    • van Geel, B., Raspopov, O.M., Renssen, H., van der Plicht, J., Dergachev, V.A. and Meijer, H.A.J., 1999. The role of solar forcing upon climate change. Quaternary Science Reviews 18: 331-338.
    • van Geel, B., 2001. Non-pollen palynomorphs. In: J.P. Smol, H.J.B. Birks and W.M. Last (eds.) Tracking environmental change using lake sediments. Volume 3: Terrestrial, algal and silicaceous indicators. Kluwer, Dordrecht, p. 99-119.
    • Mauquoy, D., van Geel, B., Blaauw, M. and van der Plicht, J., 2002. Evidence from northwest European bogs shows 'Little Ice Age' climatic changes driven by variations in solar activity. The Holocene 12: 1-6.
    • van Geel, B., Buurman, J. Brinkkemper, O., Schelvis, J., Aptroot, A., van Reenen, G. and Hakbijl, T., 2003. Environmental reconstruction of a Roman Period settlement site in Uitgeest (The Netherlands), with special reference to coprophilous fungi. Journal of Archaeological Science 30:873-883.
    • van der Plicht, J., van Geel,B., Bohncke, S.J.P., Bos, J.A.A., Blaauw, M., Speranza, A.O.M., Muscheler, R. and Björck, S., 2004. Early Holocene solar forcing of climate change in Europe. Journal of Quaternary Science 19: 263-269.
    • van Geel, B., Bokovenko, N.A., Burova, N.D., Chugunov, K.V., Dergachev, V.A., Dirksen, V.G.,Kulkova, M., Nagler, A., Parzinger, H., van der Plicht, J., Vasiliev, S.S. and Zaitseva, G.I., 2004. Climate change and the expansion of the Scythian culture after 850 BC, a hypothesis. Journal of Archaeological Science 31: 1735-1742.
    • van Geel, B. and Aptroot, A., 2006. Fossil ascomycetes in Quaternary deposits. Nova Hedwigia 82: 313-329.
    • van Geel, B., Aptroot, A., Baittinger, C., Birks, H.H., Bull, I.D., Cross, H.B., Evershed, R.P., Gravendeel, B., Kompanje, E.J.O., Kuperus, P., Mol, D., Nierop, K.G.J., Pals, J.P., Tikhonov, A.N., van Reenen, G. and van Tienderen, P.H., 2008. The ecological implications of a Yakutian mammoth's last meal. Quaternary Research 69: 361-376.
    • van Geel, B., Guthrie, R.D., Altmann, J.G., Broekens, P., Bull, I.D., Gill, F.L., Gravendeel, B., Jansen, B., Nieman, A.M. 2010. Mycological evidence of coprophagy from the feces of an Alaskan Late Glacial mammoth. Quaternary Science Reviews doi:10.1016/j.quascirev.2010.03.008
  • Publications 1971 - 2007

    Publications 1971 - 2007

    Scientific publications

    184. Dirksen, V.G., van Geel, B., Koulkova, M.A., Zaitseva, G.I., Sementsov, A..A., Scott, E.M., Cook, G.T., van der Plicht, J., Lebedeva, L.M., Bourova, N.D. and Bokovenko, N.A., 2007. Chronology of Holocene climate and vegetation changes and their connection to cultural dynamics in Southern Siberia. Radiocarbon 49: 1103-1121.

    Bos, J.A.A., van Geel, B., van der Plicht, J., and Bohncke, S.J.P., 2007.

    Preboreal climate oscillations in Europe: wiggle-match dating and synthesis of Dutch high-resolution multi-proxy records.

    Quaternary Science reviews 26: 1927-1950.

    van Geel, B. & Bos, I., 2007. Paleo-ecologisch onderzoek naar beginnende Holocene veenvorming bij Abcoude. In: Beenakker, J.J.J.M., Horsten, F.H. de Kraker, A.M.J. & Renes, H.R. (redactie), Landschap in Ruimte en Tijd (Liber Amicorum Guus J. Borger), AKSANT, Amsterdam, p. 111-121.

    181. Yeloff, D., Mauquoy, D., Barber K., Way, S., van Geel, B., Turney, C.S.M., 2007. Volcanic ash deposition and long-term vegetation change on subantarctic Marion Island. Arctic, Antarctic, and Alpine Research 39: 500-511.

    180. Yeloff, D., Broekens, P., Innes, J. and van Geel, B., 2007. Late Holocene vegetation and land-use history in Denmark: a multi-decadally resolved record from Lille Vildmose, northeast Jutland. Rev. Palaeobot. Palynol. 146: 182-192.

    179. Yeloff, D., Charman, D., van Geel, B. and Mauquoy, D., 2007. Reconstruction of hydrology, vegetation and past climate change in bogs using fungal microfossils. Rev. Palaeobot. Palynol. 146: 102-145.

    178. van Geel, B., Zazula, G.D. and Schweger, C.E., 2007. Spores of coprophilous fungi from under the Dawson tephra (25,300 14 C years BP), Yukon Territory, northwestern Canada. Palaeogeography, Palaeoclimatology, Palaeoecology 252: 481-485.

    177. Yeloff, D., van Geel, B., Broekens, P., Bakker, J. and Mauquoy, D. 2007. Mid- to late-Holocene vegetation and land-use history in the Hadrian's Wall region of northern England: the record from Butterburn Flow. The Holocene 17: 527-538.

    176. van Geel, B., Pals, J.P., van Reenen, G. and Mol, D., 2007. Plant remains in the Yukagir mammoth dung and environmental reconstruction. In: Boeskorov, G.G., Tikhonov, A.N., and Zuzuki, N., The Yukagir Mammoth, St.Petersburg, p. 89-93 (in Russian and in English).

    175. Dirksen, V.G., van Geel, B., Bokovenko, N.A., Chugunov, K.V.,   Sementsov, A.A., Zaitseva, G.I., Cook, G., van der Plicht, J., Scott, M., Kulkova, M.A., Lebedeva, L.M. and Burova, N.D., 2007. The changes of the environment in the Holocene and the dynamics of archaeological cultures in the mountain region of Southern Siberia. In: G.I. Zaitseva and M.A. Koulkova (Eds) Radiocarbon in Archaeology and Paleoenvironmental Research. Proceedings of the Conference devoted to the 50 years Anniversary of the 14C Laboratory of the Institute for the History of Material Culture, 9-12 April 2007, St.Petersburg, p. 340-364 (in Russian with English summary).

    174. Charman, D., Blundell, A. and ACCROTELM-members (Jukka Alm, Sue Bartlett, Carole Begeot, Maarten Blaauw, Antony Blundell, Frank Chambers, Dan Charman, John Daniell, Richard Evershed, John Hunt, Edgar Karofeld, Atte Korhola, Hansjörg Kuester, Jukka Laine, Michel Magny, Dmitri Mauquoy, Erin McClymont, Fraser Mitchell, Pirita Oksanen, Richard Pancost, Kaarina Sarmaja-Korjonen, Heiki Seppä, Ülle Sillasoo, Bettina Steffanini, Mareike Steffens, Eeva-Stiina Tuittila, Minna Väliranta, Johannes van der Plicht, Bas van Geel, Dan Yeloff). 2007. A new European testate amoebae transfer function for palaeohydrological reconstruction on ombrotrophic peatlands. Journal of Quaternary Science 22:3, 209-221.

    173. van Geel, B. and Beer, J., 2007. Solar activity and the expansion of the Scythian culture. In: G.I. Zaitseva and M.A. Koulkova (Eds) Radiocarbon in Archaeology and Paleoenvironmental Research. Proceedings of the Conference devoted to the 50 years Anniversary of the 14C Laboratory of theInstitute for the History of Material Culture, 9-12 April 2007, St.Petersburg, p. 365-380.

    172. Yeloff, D. and van Geel, B., 2007. Abandonment of farmland and vegetation succession following the Eurasian plague pandemic of AD 1347-1352. Journal of Biogeography 34: 575-582.

    171. Mauquoy, D. and van Geel, B., 2007. Mire and peat macros. In: Encyclopedia of Quaternary Science, Volume 3 (S.A. Elias, editor) p. 2315-2336, Elsevier.

    170. Mol, D., Shoshani, J., Tikhonov, A., van Geel, B., Sano, S., Lazarev, P., Boeskorov, G. and Agenbroad, L.D., 2006. The Yukagir Mammoth: brief history, 14C dates, individual age, gender, size, physical and environmental conditions and storage. Scientific Annals, School of Geology, Aristotle University of Thessaloniki, Special Volume 98: 299-314.

    169. Dirksen, V.G., Koulkova, M.A., van Geel, B., Chugunov, K.V., Sementsov, A.A., Zaitseva, G.I., Cook, G., van der Plicht, J., Scott, E.M., Lebedeva, L.M. and Bourova, N.D., 2006. Changes of climate and vegetation of Southern Siberia and the dynamics of archaeological cultures. In: A.P. Derevyanko and V.I. Molodin (Eds) Modern Problems in Russian Archaeology. Proceedings of the All-Russian Archaeological Congress (Novosibirsk, 23-28 October 2006). Volume 1, p. 198-200 (in Russian).

    168. van Geel, B., van de Steeg, J.F. & Meijer, H.J.M., 2006. Flora en fauna van 'Holt und Haar'; gegevens uit een Weichseliën-groeve gecombineerd. Cranium 23(2): 15-24.

    167. van Geel, B., 2006. Global warming: the fault of man of the sun? Raised bogs as archives of climate change. Proc. Int. Symp. 'Peat in the stranglehold of interest groups'. International Peat Society, Amsterdam, 30 October 2006. p. 7-16.

    166. van der Linden, M. and van Geel, B., 2006. Late Holocene climate change and human impact recorded in a south Swedish ombrotrophic peat bog. Palaeogeography, Palaeoclimatology, Palaeoecology 240: 649-667.

    165. Yeloff, D. E., Bennett, K. D., Blaauw, M., Mauquoy, D., Sillasoo, U., van der Plicht, J. and van Geel, B. 2006 . High precision 14 C dating of Holocene peat deposits: a comparison of Bayesian calibration and wiggle-matching approaches. Quaternary Geochronology 1: 222-235.

    164. Aptroot, A. and van Geel, B., 2006. Fungi of the colon of the Yukagir Mammoth and from stratigraphically related permafrost samples. Review of Palaeobotany and Palynology 141: 225-230.

    163. van Geel, B., Aptroot, A. and Mauquoy, D., 2006. Sub-fossil evidence for fungal hyperparasitism ( Isthmospora spinosa on Meliola ellisii, on Calluna vulgaris) in a Holocene intermediate ombrotrophic bog in northern-England. Review of Palaeobotany and Palynology 141: 121-126.

    162. van Geel, B., 2006. 'Quaternary non-pollen palynomorphs' deserve our attention! Review of Palaeobotany and Palynology 141: vii-viii.

    161. van Geel, B., Bokovenko, N.A., Burova, N.D., Chugunov, K.V., Dergachev, V.A., Dirksen, V.G., Kulkova, M., Nagler, A., Parzinger, H., van der Plicht, J. Vasiliev, S.S., Zaitseva, G.I., 2006. Een plotselinge zon-gestuurde klimaatverandering omstreeks 850 v. Chr. als oorzaak van de expansie van de Scythen? Nederlandse Archeologische Rapporten 32: 105-115.

    160. van Geel, B., Bokovenko, N.A., Dergachev, V.A., Parzinger, H., Zaitseva, G.I., 2006. Le changement climatique à partir de 850 av. J.-C. et l'expansion de la culture scythe. Comptes Rendus - Palevol 5: 323-328.

    159. van Geel, B. and Aptroot, A., 2006. Fossil ascomycetes in Quaternary deposits. Nova Hedwigia 82: 313-329.

    158. Berrío, J. C., Hooghiemstra, H., van Geel, B. and Ludlow-Wiegers, B., 2006. Environmental history of the dry forest biome of Guerrero, Mexico, and human impact during the last c. 2700 years. The Holocene 16: 63-80.

    157. van Geel, B., Dirksen, V., Zaitseva, G.I., Bokovenko, N.A., Burova, N.D., Kulkova, M., Parzinger, H., Nagler, A., Chugunov, K.V., Dergachev, V.A., Vasiliev, S.S. and van der   Plicht, J., 2006. Reply to S. Riehl and K. Pustovoytov (Journal of Archaeological Science 33 (2006) 143-144 ). Journal of Archaeological Science 33: 145-148.

    156. Mol, D., Post, K., Reumer, J.W.F., van der Plicht, J., de Vos, J., van Geel, B., van Reenen, G., Pals, J.P. and Glimmerveen, J., 2006. The Eurogeul - first report of the palaeontological, palynological and archaeological investigations of this part of the North Sea. Quaternary International 142/143: 178-185.

    155. Mol, D., Tikhonov, A., van der Plicht, J., Kahlke, R-D., Debruyne, R., van Geel, B., van Reenen, G., Pals, J.P., de Marliave, C. and Reumer, J.W.F., 2006. Results of the CERPOLEX/Mammuthus expeditions on the Taimyr peninsula, Arctic Siberia, Russian Federation. Quaternary International 142/143: 186-202.

    154. Bos, J.A.A., van Geel, B., Groenewoudt, B.J. and Lauwerier, C.G.M., 2005. Early Holocene environmental change, the presence and disappearance of early Mesolithic habitation near Zutphen (The Netherlands). Vegetation History and Archaeobotany 15: 27-43.

    153. Bokovenko, N.A., Dergachev, V.A., Dirksen, V.G., Zaitseva, G.I., Koulkova, M.A., van Geel, B. and van der Plicht, J., 2005. The development of archaeological cultures and climatic changes in the Eurasian steppes of southern Siberia during the Holocene. Proceedings State Historical Museum, Moscow 145: 96-102 (in Russian).

    152. Bos, J.A.A., Huisman, D.J., Kiden, P., Hoek, W.Z. and van Geel, B., 2005. Early Holocene environmental change in the Kreekrak area (Zeeland, SW-Netherlands): a multi-proxy analysis. Palaeogeography, Palaeoclimatology, Palaeoecology 227: 259-289.

    151. Biserni, G. and van Geel, B., 2005. Reconstruction of Holocene palaeoenvironment and sedimentation history of the Ombrone alluvial plane (South Tuscany, Italy). Review of Palaeobotany and Palynology 136: 16-28.

    150. Almeida-Lenero, L., Hooghiemstra, H., Cleef, A.M. and van Geel, B., 2005. Holocene climatic and environmental change from pollen records of lakes Zempoala and Quila, central Mexican highlands. Review of Palaeobotany and Palynology 136: 63-92.

    149. Zaitseva, G.I., Chugunov, K.V., Bokovenko, N.A., Dergachev, V.A., Dirksen, V.G., van Geel, B., Koulkova, M.A., Lebedeva, L.M., Sementsov, A.A., van der Plicht, J., Scott, E.M., Vasiliev, S.S., Lokhov, K.I. and Bourova, N., 2005. Chronological study of archaeological sites and environmental change around 2600 BP in the Eurasian steppe belt (Uyuk Valley, Tuva Republic). Geochronometria 24: 97-107.

    148. van Geel, B., 2005. The last meal of the Yukagir Mammoth. In: D. Mol (editor). The Yukagir Mammoth - an animal of the cold steppe. EXPO 2005 Aichi, Japan, p. 46-49. (in Japanese).

    147. van Geel, B. and Borger, G.J., 2005. Evidence for medieval salt-making by burning Eel-grass ( Zostera marina L.) in the Netherlands. Netherlands Journal of Geosciences 84: 43-49.

    146. Marchant, R., Behling, H., Berrio, J.C., Hooghiemstra, H., van Geel, B., van der Hammen, T., Herrera, L., Melief, B., van Reenen, G., Wille, M., 2004. Vegetation disturbance and human population in Colombia - a regional reconstruction. Antiquity 78: 828-838.

    145. Glimmerveen, J., Mol, D., Post, K., Reumer, J.W.F., van der Plicht, H., de Vos, J., van Geel, B., van Reenen, G. and Pals, J.P., 2004. The North Sea project: the first palaeontological, palynological and archaeological results. In: N.C. Flemming (ed.): Submarine prehistoric archaeology of the North Sea. CBA Research Report 141: 43-52.

    144. Dergachev, V.A., Dimitriev, P.B., Raspopov, O.M. and van Geel, B., 2004. The effects of galactic cosmic rays, modulated by solar terrestrial magnetic fields, on the climate. Russian Journal of Earth Sciences 6 (5): 323-338.

    143. Chugunov, K.V., Dergachev, V.A., Nagler, A., Parzinger, H., Possnert, G., Sementsov, A.A., Scott, E.M., van Geel, B., van der Plicht, J., Vasiliev, S,.S., Zaitseva, G.I., 2004. First chronological data for the unique Tsar burial mound Arzhan-2 in Tuva, Central Asia. Proceedings of the 4th International Symposium on 14C and Archaeology, Oxford University School of Archaeology Monograph 62: 171-175.

    142. Marchant, R., Boom, A., Behling, H., Hooghiemstra, H., Melief, B., van Geel, B., van der Hammen, T. and Wille, M., 2004. Colombian vegetation at the Last Glacial Maximum: a comparison of model- and pollen-based biome reconstructions. Journal of Quaternary Science 19: 721-732.

    141. van Geel, B., Bokovenko, N.A., Burova, N.D., Chugunov, K.V., Dergachev, V.A., Dirksen, V.G., Kulkova, M., Nagler, A., Parzinger, H., van der Plicht, J., Vasiliev, S.S., Zaitseva, G.I., 2004. Climate change and the expansion of the Scythian culture after 850 BC, a hypothesis. Journal of Archaeological Science 31: 1735-1742.

    140. Weijers, J.W.H., Schouten, S., van der Linden, M., van Geel, B. and Sinninghe Damsté, J.S., 2004. Water table related variations in the abundance of intact archaeal membrane lipids in a Swedish peat bog. FEMS Microbiology Letters 239: 51-56.

    139. Zaitseva, G.I. and van Geel, B., 2004. The occupation history of the southern Eurasia steppe during the Holocene: chronology, the calibration curve and methodological problems of the Scythian chronology. In: E.M. Scott, A.Yu. Alekseev and G. Zaitseva (eds) Impact of the environment on human migration in Eurasia. NATO Science Series, IV. Earth and Environmental Sciences 42: 63-82.

    138. van Geel, B., Bokovenko, N.A., Burova, N.D., Chugunov, K.V., Dergachev, V.A., Dirksen, V.G., Kulkova, M., Nagler, A., Parzinger, H., van der Plicht, J. Vasiliev, S.S., Zaitseva, G.I. 2004. The sun, climate change and the expansion of the Scythian culture after 850 BC. In: E.M. Scott, A.Yu. Alekseev and G. Zaitseva (eds) Impact of the environment on human migration in Eurasia. NATO Science Series, IV. Earth and Environmental Sciences 42: 151-158.

    137. Dirksen, V.G. and van Geel, B., 2004. Mid to Late Holocene climate change and its influence on cultural development in south central Siberia. In: E.M. Scott, A.Yu. Alekseev and G. Zaitseva (eds) Impact of the environment on human migration in Eurasia. NATO Science Series, IV. Earth and Environmental Sciences 42: 291-307.

    136. Dergachev, V.A. and van Geel, B., 2004. Large-scale periodicity of climate change during the Holocene. In: E.M. Scott, A.Yu. Alekseev and G. Zaitseva (eds) Impact of the environment on human migration in Eurasia. NATO Science Series, IV. Earth and Environmental Sciences 42: 159-183.

    135. Dergachev, V.A., Raspopov, O.M., van Geel, B. and Zaitseva, G.I., 2004. The 'Sterno-Etrussia' geomagnetic excursion around 2700 BP and changes of solar activity, cosmic ray intensity, and climate. Radiocarbon 46: 661-681.

    134. Zaitseva, G.I., van Geel, B., Bokovenko, N.A., Chugunov, K.V., Dergachev, V.A., Dirksen, V.G., Koulkova, M.A., Nagler, A., Parzinger, G., van der Plicht, J., Bourova, N.D. and Lebedeva, L.M., 2004. Chronology and possible links between climatic and cultural change during the first millennium BC in Southern Siberia and Central Asia. Radiocarbon 46: 259-276.

    133. Zaitseva, G.I., Chugunov, V., Dergachev, V.A., Nagler, A., Parzinger, G., Scott, E. M., Vasiliev, S., van Geel, B., van der Plicht J. and Lebedeva, L.M., 2004. Chronological studies of the Arzhan-2 Scythian monument in Tuva (Russia). Radiocarbon 46: 277-284.

    132. van Geel, B., Shinde, V. and Yasuda, Y., 2004. Solar forcing of climate change and a monsoon-related cultural shift in western India around 800 cal. yrs. BC. Chapter 17 in: Y. Yasuda and V. Shinde (eds) Monsoon and Civilization. Roli Books, New Delhi, p. 275-279.

    131. Blaauw, M., van der Plicht, J. and van Geel, B., 2004. Radiocarbon dating of bulk peat samples from raised bogs: non-existence of a previously reported 'reservoir effect'? Quaternary Science Reviews   23: 1537-1542.

    130. van der Plicht, J., van Geel, B., Bohncke, S.J.P., Bos, J.A.A., Blaauw, M., Speranza, A.O.M., Muscheler, R. and Björck, S., 2004. The Preboreal climate reversal and a subsequent solar-forced climate shift. Journal of Quaternary Science 19: 263-269.

    129. Mauquoy, D., Blaauw, M., van Geel, B., Borromei, A., Quattrocchio, M., Chambers, F.M. and Possnert, G., 2004. Late Holocene climatic changes in Tierra del Fuego based on multiproxy analyses of peat deposits. Quaternary Research 61: 148-158.

    128. Blaauw, M., van Geel, B., Mauquoy, D. and van der Plicht, J., 2004. Carbon-14 wiggle-match dating of peat deposits: advantages and limitations. Journal of Quaternary Science 19: 177-181.

    127. Mauquoy, D., van Geel, B., Blaauw, M., Speranza, A. and van der Plicht, J.,2004. Changes in solar activity and Holocene climate shifts derived from 14 C wiggle-match dated peat deposits. The Holocene 14: 45-52.

    126. Blaauw, M., van Geel, B. and van der Plicht, J., 2004. Solar forcing of climate change during the mid-Holocene: indications from raised bogs in The Netherlands. The Holocene 14: 35-44.

    125. Pancost, R.D., Baas, M., van Geel, B. and Sinninghe Damsté, J.S., 2003. Response of an ombrotrophic bog to a regional climatic event revealed by macrofossil, molecular and carbon isotopic data. The Holocene 13: 921-932.

    124. Mol, D., Tikhonov, A., van der Plicht, J., Kahlke, R.-D., Debruyne, R., van Geel, B., Pals, J.P., de Marliave, C. and Reumer, J.W.F., 2003. Results of the CERPOLEX/Mammuthus expeditions on the Taimyr Peninsula, Arctic Siberia, Russian Rederation. Extended abstract 3rd International Mammoth Conference. Occasional Papers in Earth Sciences No. 5 (J.E. Storer, Editor), Yukon Palaeontology Program of Government of the Yukon, p 97-112.

    123. Blaauw, M., Heuvelink, G.B.M., Mauquoy, D., van der Plicht, J. and van Geel, B., 2003. A numerical approach to 14 C wiggle-match dating of organic deposits: best fits and confidence intervals. Quaternary Science Reviews 22: 1485-1500.

    122. van Geel, B., Buurman, J. Brinkkemper, O., Schelvis, J., Aptroot, A., van Reenen, G.   and Hakbijl, T., 2003. Environmental reconstruction of a Roman Period settlement site in Uitgeest (The Netherlands), with special reference to coprophilous fungi. Journal of Archaeological Science 30: 873-883.

    121. Wille, M., Hooghiemstra, H., van Geel, B., Behling, H., de Jong, A., van der Borg, K., 2003 . Submillennium-scale migrations of the rainforest-savanna boundary in Colombia: 14 C wiggle-matching and pollen analysis of core Las Margaritas. Palaeogeography, Palaeoclimatology, Palaeoecology 193: 201-223.

    120. van Geel, B., van der Plicht, J. and Renssen, H., 2003 . Major ∆ 14 C excursions during the late glacial and early Holocene: changes in ocean ventilation or solar forcing of climate change? Quaternary International 105: 71-76.

    119. Speranza, A., van Geel, B. and van der Plicht, J., 2002. Evidence for solar forcing of climate change at ca. 850 cal BC from a Czech peat sequence. Global and Planetary Change 35: 51-65.

    118. Mauquoy, D., Engelkes, T., Groot, M.H.M., Markesteijn, F., Oudejans, M.G., van der Plicht, J. and van Geel, B., 2002. High-resolution records of late-Holocene climate change and carbon accumulation in two north-west European ombrotrophic peat bogs. Palaeogeography, Palaeoclimatology, Palaeoecology 186: 275-310.

    117. van Geel, B. et Magny, M., 2002. Mise en évidence d'un forçage solaire du climat à partir de données paléoécologiques et archéologiques: la transition Subboréal-Subatlantique. In H. Richard et A. Vignot (dir.): Équilibres et ruptures dans les écosystèmes durant les 20 derniers millénaires en Europe de l'Ouest; Actes du colloque international de Besançon, septembre 2000. Annales Littéraires 730 (3): 107-122.

    116. Pancost, R.D., Baas, M., van Geel, B. and Sinninghe Damsté, J.S., 2002. Biomarkers as proxies for plant inputs to peats: an example from a sub-boreal ombrotrophic bog. Organic Geochemistry 33: 675-690.

    115. Rozema, J., van Geel, B., Björn, L.O., Lean, J. and Madronich, S., 2002. Toward solving the UV puzzle. Science 296: 1621-1622.

    114. Marchant, R.A., Behling, H., Berrio, J.-C., Cleef, A., Duivenvoorden, J., Hooghiemstra,H., Kuhry, P., Melief, B., Schreve-Brinkman, E., van Geel, B., van der Hammen, T. van Reenen, G. and Wille, M., 2002. Pollen-based biome reconstructions for Colombia at 3000, 6000, 9000, 12000, 15000 and 18000 14 C yr ago: Late Quaternary tropical vegetation dynamics. Journal of Quaternary Science 17: 113-129.

    113. Mauquoy, D., van Geel, B., Blaauw, M. and van der Plicht, J., 2002. Evidence from northwest European bogs shows 'Little Ice Age' climatic changes driven by variations in solar activity. The Holocene 12: 1-6.

    112. Kilian, M.R., van der Plicht, J., van Geel, B. and Goslar, T., 2002. Problematic 14 C-AMS dates of pollen concentrates from Lake Gosciaz (Poland). Quaternary International 88: 21-26.

    111. van Geel, B., Renssen, H. and van der Plicht,J., 2001. Evidence from the past: solar forcing of climate change by way of cosmic rays and/or by solar UV? Proceedings Workshop on Ion-Aerosol-Cloud Interactions, Geneva, ed. J. Kirkby, CERN 2001-007: 24-29.

    110. Heijmans, M.M.P.D., Mauquoy, D., van Geel, B., van Oene, H. and Berendse, F., 2001. Modelling the effects of climate change on plant species composition and carbon sequestration in peat bogs. In: van Oene, H. et al., Long-term effects of climate change on biodiversity and ecosystem processes. Dutch National Research Programme on Global Air Pollution and Climate Change, report nr. 410 200 089, RIVM, Bilthoven, p. 241-300.

    109. Mauquoy, D., Engelkes, T., Groot, M.H.M., Markesteijn, F., Oudejans, M.G., van der Plicht, J. and van Geel, B., 2001. High-resolution records of late Holocene climate change and carbon accumulation in two North-West European ombrotrophic peat bogs. In: van Oene, H. et al., Long-term effects of climate change on biodiversity and ecosystem processes. Dutch National Research Programme on Global Air Pollution and Climate Change, Report no. 410 200 089, RIVM, Bilthoven, p. 171-240.

    108. Mauquoy, D., van Geel, B., Blaauw, M. and van der Plicht, J., 2001. Evidence from North-West European bogs showing that Little Ice Age climatic changes were driven by changes in solar activity. In: van Oene, H. et al., Long-term effects of climate change on biodiversity and ecosystem processes. Dutch National Research Programme on Global Air Pollution and Climate Change, Report no. 410 200 089, RIVM, Bilthoven, p. 155-169. (see also Mauquoy et al., 2002)

    107. van Oene, H., Tamis, W.L.M., van Geel, B., Ellis, W.N., van Vliet, A.J.H., van der Meijden, R., Heijmans, M.M.P.D., Berendse, F., Uhlenberg, S.A., Mauquoy, D., 2001. Long-term effects of climate change on biodiversity and ecosystem processes. Dutch National Research Programme on Global Air Pollution and Climate Change, Report no. 410 200 089, RIVM, Bilthoven, 306 pp.

    106. van Geel, B., 2001. Non-pollen palynomorphs. In: J.P. Smol, H.J.B. Birks and W.M. Last (eds.) Tracking environmental change using lake sediments.; Volume 3: Terrestrial, algal and silicaceous indicators. Kluwer, Dordrecht, p. 99-119.

    105. Mol, D., Coppens, Y., Tikhonov, A.N., Agenbroad, L.D., MacPhee, R.D.E., Flemming, C., Greenwood, A., Buigues, B., de Marliave, C., van Geel, B., van Reenen, G.B.A., Pals, J.P., Fisher, D.C. and Fox, D., 2001. The Jarkov Mammoth: 20,000-year-old carcass of a Siberian woolly mammoth Mammuthus primigenius (Blumenbach, 1799). Proceedings of the 1st International Congress 'The World of Elephants', Roma, p. 305-309.

    104. Marchant, R., Berrio, J.C., Cleef, A., Duivenvoorden, J., Helmens, K., Hooghiemstra, H., Kuhry, P., Melief, B., Schreve-Brinkman, E., van Geel, B., van Reenen, G. and van der Hammen, T., 2001. A reconstruction of Colombian biomes derived from modern pollen data along an altitude gradient. Review of Palaeobotany and Palynology 117: 79-92.

    103. Groenewoudt, B.J., Deeben, J. van Geel, B. and Lauwerier, R.C.G.M., 2001. An early mesolithic assemblage with faunal remains in a stream valley near Zutphen, the Netherlands. Archäologisches Korrespondenzblatt 31: 329-348.

    102. Renssen, H., Isarin, R.F.B., Vandenberghe, J., Aalbersberg, G., Beets, C.J., Björck, S., Boessenkool, K.P., Bohncke, S.J.P., Bond, G.C., Bos, J., Bunnik, F., Cwynar, L., Grootes, P., Guiot, J., Hoek, W.Z., Kasse, C., Kroon, D., Kruk, R.W., Lowe, J.J., Magny, M., Nadeau, M.J., Paul, A., Prins, M.A., Rahmstorf, S., Schuurmans, C.J.E., van Geel, B., van Loon, A.J., Valdes, P.J., Velichko, A.A., Verweij, W., Wagner, R., Walker, M.J.C., Weber, S.L., Willemse, N., van der Schrier, G., 2001. Rapid climatic warming at the end of the last glacial: new perspectives. Global and Planetary Change 30: 155-165.

    101.             Lowe, J.J., Hoek, W.Z., Andersen, C., Bennike, O., Birks, H.H., Björck, S., Bohncke, S.J.P., Bos, J.A.A., Coope, G.R., Eiríksson, J., Hald, M., Hall, V., Hammarlund, D., Heinemeier, J., Johnsen, S.J., Knudsen, K.-L., Koç, N., Litt, T., Marret, F., Noe-Nygaard, N., Prins, M., Ringberg, B., Schoeneich, P., Seidenkrantz, M.-S., Steffensen, J.-P., Turney, C.S.M., van Geel, B., Walker, M.J.C., Wastegård, S., Watts, W.A. and Wohlfahrth, B., 2001. Inter-regional correlation of palaeoclimatic records for the Last Glacial-Interglacial Transition: a protocol for improved precision recommended by the INTIMATE group. Quaternary Science reviews 20: 1175-1187.

    100.             Marchant, R.A., Behling, H., Berrio, J.C., Cleef, A.M., Duivenvoorden, J., Hooghiemstra, H., Kuhry, P., Melief, A.B.M., van Geel, B., van der Hammen, T.,van Reenen, G. and Wille, M., 2001. Mid- to Late-Holocene pollen-based biome reconstructions for Colombia. Quaternary Science Reviews 20: 1289-1308.

    99.   López Sáez, J.A., van Geel, B. & Martín Sánchez, M., 2000. Aplicación de los microfósiles no polínicos en palinología arqueológica. Actas do 3° Congresso de Arqueologia Peninsular, Volume IX: 11-20.

    98.   Raspopov, O.M., Shumilov, O.I., Dergachev, V.A., van Geel, B., Mörner, N.-A., van der Plicht, J. and Renssen, H., 2000. Abrupt climate change around 2700-2800 years BP as an example of existence of 2400 year periodicity in solar activity and solar variability. Proceedings 1st Solar and Space Weather Euroconference 'The solar cycle and terrestrial climate', Tenerife, Spain, p. 513-516.

    97.   Dergachev , V., van Geel , B., Zaitseva, G., Alekseev, A., Chugunov, K., van der Plicht, J., Possnert, G. and Raspopov, O., 2000. The earliest records of Scythians in Eurasia and sharp climatic changes around 2700 BP. In: K.M. Paraskevopoulos (Editor), Physics in culture, the solid state physics in the study of cultural heritage. Aristotle University of Thessaloniki, p. 208-216.

    96.   van 't Veer, R., van Geel, B., Pals, J.P. & van Smeerdijk, D., 2000 . Fossiele plantengemeenschappen als referentiekader voor moderne moerasontwikkeling. In: J. Schaminée & R. van 't Veer, '100 jaar op de knieën', de geschiedenis van de plantensociologie in Nederland. Opulus Press, KNNV Uitgeverij, p. 174-188.

    95.   van Geel, B. and Berglund, B.E., 2000. A causal link between a climatic deterioration around 850 cal BC and a subsequent rise in human population density in NW-Europe?, Terra Nostra 2000/7: 126-130.

    94.   Speranza, A., van der Plicht, J. and van Geel, B. 2000. Improving the time control of the Subboreal/Subatlantic transition in a Czech peat sequence by 14 C wiggle-matching. Quaternary Science Reviews 19: 1589-1604.

    93.   Renssen, H., van Geel, B., van der Plicht, J. and Magny, M., 2000. Reduced solar activity as a trigger for the start of the Younger Dryas? Quaternary International 68-71: 373-383.

    92.   Baas, M., Pancost, R., van Geel, B. and Sinninghe Damsté, J.S., 2000. A comparative study of lipids in Sphagnum species. Organic Geochemistry 31: 535-541.

    91.   Pancost, R.D., van Geel, B., Baas, M. and Sinninghe Damsté, J.S., 2000. ∂ 13 C values and radiocarbon dates of microbial biomarkers as tracers for carbon recycling in peat deposits. Geology 28: 663-666.

    90.   van Geel, B., Heusser, C.J., Renssen, H. and Schuurmans, C.J.E., 2000. Climatic change in Chile at around 2700 BP and global evidence for solar forcing: a hypothesis. The Holocene 10: 659-664.

    89b. Speranza, A., Fanta, J., Hanke, J. and van Geel, B. 2000. Vliv člověka na vývoj lesa na Černé hoře v Krkonoších v pozdním holocénu (Late-Holocene human impact in the Černa Hora bog, Krkonose Mountains., Czech Republic). Archeol. Rozhl. 52: 632-642.

    89a.                                                                                                       Speranza, A., Hanke, J. van Geel, B. and Fanta, J. 2000. Late-Holocene human impact and peat development in the Cerná Hora bog, Krkonose Mountains., Czech Republic. The Holocene 10: 557-585.

    88.   Kilian, M.R., van Geel, B. and van der Plicht, J., 2000. 14 C AMS wiggle matching of raised bog deposits and models of peat accumulation. Quaternary Science Reviews 19: 1011-1033.

    87.   Wagner, F., Kürschner, W.M., Visscher, H., Bohncke, S.J.P., Dilcher, D.L. and van Geel, B., 1999. Early Holocene atmospheric CO 2 concentrations - Response to Indermühle, A., Stauffer, B., Stocker, T.F., Raynaud, D., Barnola, J.-M. and Birks, H.H., Eide, W., Birks, H.J.B. Science 286: 1815a (www.sciencemag.org/cgi/content/full//286/5446/1815a)

    86.   Goslar, T., Ralska-Jasiewiczowa, M., van Geel, B., Lacka, B., Szeroczynska, K. Chróst, L. and Walanus, A., 1999. Anthropogenic changes in the sediment composition of Lake Gosciaz (central Poland), during the last 330 years. Journal of Paleolimnology 22: 171-185.

    85. Kilian, M.R., van der Plicht, J., van Geel, B. and Goslar, T., 1999. Problems with 14 C AMS dated pollen concentrates from Lake Gosciaz (Poland). Terra Nostra 99/10: 46-48.

    84.   Carrión, J.S. and van Geel, B., 1999. Fine-resolution Upper Weichselian and Holocene palynological record from Navarrés (Valencia, Spain) and a discussion about factors of Mediterranean forest succession. Rev. Palaeobot. Palynol. 106: 209-236.

    83.   Wagner, F., Bohncke, S.J.P., Dilcher, D.L., Kürschner, W.M., van Geel, B. and Visscher, H. 1999. Century-scale shifts in early Holocene atmospheric CO 2 concentration. Science 284: 1971-1973.

    82.   Carrión, J.S., van Geel, B., Munuera, M. and Navarro, C., 1999. Palaeoecological evidence of pollen sequence in eastern Spain challenges existing concepts of vegetation change. South African Journal of Science 95: 44-46

    81.   van Geel, B., Raspopov, O.M., Renssen, H., van der Plicht, J., Dergachev, V.A. and Meijer, H.A.J., 1999. The role of solar forcing upon climate change. Quaternary Science Reviews 18: 331-338.

    80. Young, R., Walanus, A., Goslar, T., van Geel, B., Ralska-Jasiewiczowa, M. and Wijmstra, T.A., 1999. Test of an equal taxon-weight modification of Middeldorp's pollen density dating on data from varved sediments of Lake Gosciaz, Poland. Rev. Palaeobot. Palynol. 104: 213-237 (see also 66).

    79. van Geel, B., van der Plicht, J. and Renssen, H., 1999. Comment on "A large California flood and correlative global climatic events 400 years ago" (Schimmelmann et al., 1998). Quaternary Research 51: 108-110.

    78g. Ralska-Jasiewiczowa, M., Goslar, T., van Geel, B. and Szeroczynska, K., 1998. Discussion and conclusions of the human impact during the last 330 years. In: Lake Gosciaz, Central Poland, a monographic study, Eds. Ralska-Jasiewiczowa, M., Goslar, T., Madeyska, T. and Starkel, L., W. Szafer Institute of Botany, Polish Academy of Sciences, p. 326-336.

    78f. Ralska-Jasiewiczowa, M. and van Geel, B., 1998. Pollen record of anthropogenic changes of vegetation in the Lake Gosciaz region from AD 1660 until recent times. In: Lake Gosciaz, Central Poland, a monographic study, Eds. Ralska-Jasiewiczowa, M., Goslar, T., Madeyska, T. and Starkel, L., W. Szafer Institute of Botany, Polish Academy of Sciences, p. 318-326.

    78e. Ralska-Jasiewiczowa, M. and van Geel, B., 1998. Human impact on the vegetation of the Lake Gosciaz surroundings in prehistoric and early-historic times. In: Lake Gosciaz, Central Poland, a monographic study, Eds. Ralska-Jasiewiczowa, M., Goslar, T., Madeyska, T. and Starkel, L., W. Szafer Institute of Botany, Polish Academy of Sciences, p. 267-294.

    78d. Young, R., Walanus, A., Lingeman, R., Ran, E.T.H., van Geel, B., Goslar, T. and Ralska-Jasiewiczowa, M. 1998. Spectral analysis of pollen influxes from varved sediments of Lake Gosciaz, Poland. In: Lake Gosciaz, Central Poland, a monographic study, Eds. Ralska-Jasiewiczowa, M., Goslar, T., Madeyska, T. and Starkel, L., W. Szafer Institute of Botany, Polish Academy of Sciences, p. 232-239.

    78c. Ralska-Jasiewiczowa, M., van Geel, B. and Demske, D. 1998. Holocene regional vegetation history recorded in the Lake Gosciaz sediments. In: Lake Gosciaz, Central Poland, a monographic study, Eds. Ralska-Jasiewiczowa, M., Goslar, T., Madeyska, T. and Starkel, L., W. Szafer Institute of Botany, Polish Academy of Sciences, p. 202-219.

    78b. Ralska-Jasiewiczowa, M., Demske, D. and van Geel, B., 1998. Late-glacial vegetation history recorded in the Lake Gosciaz sediments. In: Lake Gosciaz, Central Poland, a monographic study, Eds. Ralska-Jasiewiczowa, M., Goslar, T., Madeyska, T. and Starkel, L., W. Szafer Institute of Botany, Polish Academy of Sciences, p. 128-143.

    78a. Ralska-Jasiewiczowa, M. and van Geel, B., 1998. Palynological analyses (pollen and extra-palynomorphs). In: Lake Gosciaz, Central Poland, a monographic study, Eds. Ralska-Jasiewiczowa, M., Goslar, T., Madeyska, T. and Starkel, L., W. Szafer Institute of Botany, Polish Academy of Sciences, p. 77-78.

    77. López-Sáez, J.A., van Geel, B., Farbos-Texier, S. and Diot, M.F., 1998. Remarques paléoécologiques à propos de quelques palynomorphes non-polliniques provenant de sédiments quaternaires en France. Revue de Paléobiologie 17: 445-459.

    76. van Geel, B., 1998. Are the resting eggs of the rotifer Hexarthra mira (Hudson 1871) the modern analogs of Schizosporis reticulatus Cookson and Dettman 1959? Palynology 22: 83-87.

    75. Raspopov, O., Shumilov, O., Kochegura, V., Dergachev, V., van Geel, B., van der Plicht, J., Renssen, H. and Maley. J., 1998. Dendrochronological and other proxy evidence for climatic cooling around 2700 BP and its heliogeophysical forcing. In: Dendrochronology and Environmental Trends. Eds: V. Stravinskiene and R. Juknys. Proceedings of "Eurodendro - 98", 17-21 June 1998, Kaunas, Lithuania, p. 113-123.

    74. Hooghiemstra, H. and van Geel, B., 1998. World list of Quaternary pollen and spore atlases. Rev. Palaeobot. Palynol. 104: 157-182.

    73. van Geel, B., Raspopov, O.M., van der Plicht, J. and Renssen, H., 1998. Solar forcing of abrupt climate change around 850 calendar years BC. In: Natural catastrophes during Bronze Age civilisations. Eds: B.J. Peiser, T. Palmer and M.E. Bailey. BAR International Series 728: 162-168.

    72. van Geel, B. and Renssen, H., 1998. Abrupt climate change around 2,650 BP in North-West Europe: evidence for climatic teleconnections and a tentative explanation. In: Water, Environment and Society in Times of Climatic Change, Eds. Issar, A.S. and Brown, N., Kluwer, Dordrecht, p. 21-41.

    71. van Geel, B., Renssen, H. and van der Plicht, J., 1998. Paleo-evidence for solar forcing of climate change. Terra Nostra 98/6: 40-45.

    70. van Geel, B., van der Plicht, J., Kilian, M.R., Klaver, E.R., Kouwenberg, J.H.M., Renssen, H., Reynaud-Farrera, I. and Waterbolk, H.T., 1998. The sharp rise of ∆ 14 C ca. 800 cal BC: possible causes, related climatic teleconnections and the impact on human environments. Radiocarbon 40: 535-550.

    69. Wagner, F., Bohncke, S.J.P., Kürschner, W.M., van Geel, B. and Visscher, H., 1998. Century-scale shifts in early Holocene atmospheric CO2 concentrations. Chapter 8, p. 79-101, in Wagner, F., The influence of environment on the stomatal frequency in Betula. 1998. Doctoral Thesis, Utrecht University, 102 pp.

    68. Törnqvist, T.E., van Ree, M.H.M., van 't Veer, R. and van Geel, B., 1998. Improving methodology for high-resolution reconstruction of sea-level rise and neotectonics by paleoecological analysis and AMS 14C dating of basal peats. Quaternary Research 49: 72-85.

    67. van Geel, B., Buurman, J. en Waterbolk, H.T., 1997. Changing environments for human populations around 2650 BP in the Netherlands as a consequence of rapid climate change, and evidence for climatic teleconnections. In: One million years of anthropogenic global environmental change (J.E. van Hinte, editor), Koninklijke Nederlandse Akademie van Wetenschappen, Verhandelingen, Afd. Natuurkunde, Eerste Reeks, 47: 13-16.

    66. Young, R., Walanus, A., Goslar, T., van Geel, B., Ralska-Jasiewiczowa, M. and Wijmstra, T.A., 1997. Test of an equal taxon-weight modification of Middeldorp's pollen density dating on data from varved sediments of Lake Gosciaz, Poland. Chapter 4 (p. 79-116) inYoung, R., Time-series analysis and time-basis reconstruction in palaeoecology. Ph.D. thesis, University of Amsterdam. See also 77.

    65. Young, R., Walanus, A., Lingeman, R., Ran, E.T.H., van Geel, B., Goslar, T. and Ralska-Jasiewiczowa, M., 1997. Spectral analysis of pollen influx data from varved sediments of Lake Gosciaz, Poland. Chapter 3 (p. 55-78) in Young, R., Time-series analysis and time-basis reconstruction in palaeoecology. Ph.D. thesis, University of Amsterdam.

    64. van Geel, B., Buurman, J. and Waterbolk, H.T., 1997. Abrupte veranderingen in delta 14 C rond 2700 BP in paleo-klimatologisch en archeologisch perspectief. In: D.P. Hallewas, G.H. Scheepstra and P.J. Woltering (eds), Dynamisch landschap - Archeologie en geologie van het Nederlandse kustgebied, van Gorcum, Assen, p.153-173.

    63. Speranza, A., Ravazzi, C., Baroni, C., Carton, A., van Geel, B. and Mommersteeg, H., 1996. Holocene vegetation development and human impact in the Central Alps: the "Pian Venezia" palaeobotanical record (Trento, Italy). Il Quaternario 9: 737-744.

    62. van Geel, B., 1996. Factors influencing changing AP/NAP ratios in NW-Europe during the Late-Glacial period. Il Quaternario 9: 599-604.

    61. van Geel, B., Buurman, J. and Waterbolk, H.T., 1996. Archaeological and palaeoecological indications for an abrupt climate change in The Netherlands and evidence for climatological teleconnections around 2650 BP. Journal of Quaternary Science 11: 451-460.

    60. Willemsen, J., van 't Veer, R. and van Geel, B., 1996. Environmental change during the medieval reclamation of the raised-bog area Waterland (The Netherlands): a palaeophytosociological approach. Rev. Palaeobot. Palynol. 94: 75-100.

    59. van Geel, B., Buurman, J. and Waterbolk, H.T., 1996. Abrupte veranderingenin delta 14 C rond 2700 BP in paleo-klimatologisch en archeologisch perspectief. Chapter 6 in: The eastern part van West-Friesland in later prehistory, agricultural and environmental aspects, J. Buurman, Ph.D. Thesis, University of Leiden. SEE ALSO 61.  

    58. van Geel, B. Odgaard, B.V. and Ralska-Jasiewiczowa, M., 1996. Cyanobacteria as indicators of phosphate-eutrophication of lakes and pools in the past. PACT 50: 399-415.

    57. van Geel, B. and Grenfell, H.R., 1996. Spores of Zygnemataceae (Chapter 7A). In: Palynology: principles and applications, Jansonius, J. and McGregor, D.C. (Editors); American Association of Stratigraphic Palynologists Foundation, Vol. 1: 173- 179.

    56. Kilian, M.R., van der Plicht, J. and van Geel, B., 1995. Dating raised bogs: new aspects of AMS 14 C wiggle matching, a reservoir effect and climatic change. Quaternary Science Reviews 14: 959-966.

    55. Ralska-Jasiewiczowa, M., van Geel, B., Goslar, T. and Kuc, T. 1995. The Younger Dryas - its start, development and the transition to the Holocene as recorded in the laminated sediments of Lake Gosciaz, Central Poland. In: The Younger Dryas (Troelstra, S.R., van Hinte, J.E. and Ganssen, G.M., Editors) Proceedings of a Workshop at the Royal Netherlands Academy of Arts and Sciences on 11-13 April 1994 . Kon. Ned. Akad. Wetensch. Verhandelingen, Afd. Natuurkunde, Eerste Reeks 44: 183-187.

    54. Buurman, J., van Geel, B. and van Reenen, G.B.A., 1995. Palaeoecological investigations of a Late Bronze Age watering-place at Bovenkarspel, The Netherlands. In: G.F.W. Herngreen and L. van der Valk (editors) Neogene and Quaternary geology of North-West Europe. Meded. Rijks Geol. Dienst 52: 249-270.

    53. van Geel, B., Pals, J.P., van Reenen, G.B.A. and van Huissteden, J., 1995. The indicator value of fossil fungal remains, illustrated by a palaeoecological record of a Late Eemian/Early Weichselian deposit in the Netherlands. In: G.F.W. Herngreen and L. van der Valk (editors) Neogene and Quaternary geology of North-West Europe. Meded. Rijks Geol. Dienst 52: 297-315.

    52. van Geel, B., Mur, L.R., Ralska-Jasiewiczowa, M. and Goslar, T., 1994. Fossil akinetes of Aphanizomenon and Anabaena as indicators for medieval phosphate-eutrophication of Lake Gosciaz (Central Poland). Rev. Palaeobot. Palynol. 83: 97-105.

    51. Kuhry, P., Hooghiemstra, H., van Geel, B. and van der Hammen, T., 1993. The El Abra Stadial in the Eastern Cordillera of Colombia (South America). Quaternary Science Reviews 12: 333-343.

    50. Goslar, T., Kuc, T., Ralska-Jasiewiczowa, M., Rozanski, K., Arnold, M., Bard, E., van Geel, B., Pazdur, M.F., Szeroczynska, K., Wicik, B., Wieckowski, K. and Walanus, A. 1993. High-resolution lacustrine record of the Late Glacial/Holocene transition in Central Europe. Quaternary Science Reviews 12: 295-305.

    49. Ralska-Jasiewiczowa, M. and van Geel, B., 1993. Pollen analysis of the late glacial and early Holocene part of the G1/87 core from Lake Gosciaz (in Polish, with English summary). Polish Botanical Studies, Guidebook Series 8: 163-171.

    48. Ralska-Jasiewiczowa, M., van Geel, B., Goslar, T. and Kuc, T. 1992. The record of the    Late Glacial/Holocene transition in the varved sediments of lake Gosciaz, central Poland. Sveriges Geologiska Undersökning, Ser. Ca 81: 257-268.

    47. Ralska-Jasiewiczowa, M. and van Geel, B., 1992. Early human disturbance of the natural environment recorded in annually laminated sediments of Lake Gosciaz, Central Poland. Veget. Hist. Archaeobot. 1: 33-42.

    46. van Geel, B. and Middeldorp, A.A., 1990. Late Holocene vegetation history, local environmental changes and Deuterium records of Carbury Bog, Ireland. Quaternary Studies in Poland 10: 47-57.

    45. Cleef, A., van Geel, B., Hooghiemstra, H., Roeleveld, W. and Wijmstra, T.A., 1990. Palynology, a key to climatic and geographic change. A tribute to Thomas van der Hammen. Geol. Mijnbouw 69: 205-206.

    44. Gotjé, W.,   van Wayjen, M.C.A. and van Geel, B., 1990. A palynological study of a Holocene deposit from Grand-Bongard (Hautes-Fagnes, Belgium). Geol. Mijnbouw 69: 227-241.

    43. van Geel, B., Bregman, R., van der Molen, P.C., Dupont, L. and van Driel-Murray, C. 1989. Holocene raised bog deposits in the Netherlands as geochemical archives of prehistoric aerosols. Acta Bot. Neerl. 38: 467-476.

    42. Schelvis, J. and van Geel, B., 1989. A palaeoecological study of the mites (Acari) from a Lateglacial deposit at Usselo (The Netherlands). Boreas 18: 237-243.

    41. van Geel, B. and Mook, W.G., 1989. High-resolution 14 C dating of organic deposits using natural atmospheric 14 C variations. Radiocarbon 31: 151-156.

    40. van Geel, B., Coope, G.R and van der Hammen, T. 1989. Palaeoecology and stratigraphy of the Lateglacial type section at Usselo (the Netherlands). Rev. Palaeobot. Palynol. 60: 25-129.

    39. van Geel, B. and Middeldorp, A.A., 1988. Vegetational history of Carbury Bog (Co. Kildare, Ireland) during the last 850 years and a test of the temperature indicator value of 2 H/ 1 H measurements of peat samples in relation to historical sources and meteorological data. New Phytol., 109: 377 - 392.

    38. van Geel, B. and Andersen, S.Th., 1988. Fossil ascospores of the parasitic fungus Ustulina deusta   in Eemian deposits in Denmark. Rev. Palaeobot. Palynol., 56: 89-93.

    37. Bos, J.M., van Geel, B. and Pals, J.P., 1988. Waterland - Environmental and Economic Changes in a Dutch Bog Area, 1000 A.D. to 2000 A.D. In: The Cultural Landscape - Past, Present and Future. H.H. Birks, H.J.B. Birks, P.E. Kaland and D. Moe (Editors), Cambridge University Press, Cambridge. p. 321-331.

    36. van Dam, H., van Geel, B., van der Wijk, A. and Dickman, M.D., 1988. pH changes over two centuries in three Dutch moorland pools. In: Mathy, P. (Editor), Air pollution and Ecosystems. p. 954-959. Proc. Symp. Effects of Air Pollution on Terrestrial and Aquatic Ecosystems, Grenoble, 1987. Reidel, Dordrecht.

    35. van Dam, H., van Geel, B., van der Wijk, A., Geelen, J.F.M., van der Heijden, R. and Dickman, M.D., 1988. Palaeolimnological and documented evidence for alkalization and acidification of two moorland pools (The Netherlands). Rev. Palaeobot. Palynol., 55: 273-316. (also published as chapter 6, p. 125-153 in: van Dam, H., 1987. Acidification of moorland pools : a process in time. Doctoral Thesis, Wageningen. 175 pp.)

    34. van Geel, B. and Groenman-van Waateringe, W., 1987. Palynological   investigations. In: Groenman-van Waateringe W. and van Wijngaarden-Bakker, L.H. (Editors), Farm life in a Carolingian village. A   model based on botanical and zoological data from an excavated site. p. 6 - 38. van Gorcum, Assen.

    33. Dickman, M. D., van Dam, H., van Geel, B., Klink, A.G., and van der Wijk, A., 1987. Acidification of a Dutch moorland pool - a palaeolimnological   study. Arch. Hydrobiol. 109: 377-408. (also published as chapter 5, p. 99-124 in: van Dam, H., 1987. Acidification of moorland pools : a process in time.   Thesis, Wageningen. 175 pp.)

    32. Brinkkemper, O., van Geel, B. and Wiegers, J., 1987. Palaeoecological   study of a Middle-Pleniglacial deposit from Tilligte, The Netherlands. Rev. Palaeobot. Palynol. 51: 235-269.

    31. van Huissteden, J., Vandenberghe, J. and van Geel, B., 1986. Late Pleistocene Stratigraphy and Fluvial History of the Dinkel Basin (Twente, Eastern Netherlands). Eiszeitalter u. Gegenwart 36: 43- 59.

    30. van Geel, B. und Dallmeijer, A.A., 1986. Eine Molinia -Torflage als Effekt eines Moorbrandes aus dem Frühen Subboreal im Hochmoor Engbertsdijksveen (Niederlande). Abhandl. Landesmus. f. Naturk. 48: 471-479. (Festschrift   Ernst Burrichter).

    29. van Geel, B., Klink, A.G., Pals, J.P. and Wiegers, J., 1986. An Upper Eemian lake deposit from Twente, eastern Netherlands. Rev. Palaeobot. Palynol., 47: 31-61.

    28. van Geel, B., 1986. Application of fungal and algal remains and other microfossils in palynological analyses. In: B.E. Berglund (Editor) Handbook of Holocene Palaeoecology and Palaeohydrology. Wiley, Chichester. p. 497-505.  

    27. Batten, D.J. and van Geel, B., 1985. Celyphus rallus, probable Early Cretaceous rivulariacean blue-green alga. Rev. Palaeobot. Palynol., 44: 233-241.

    26. Witte, H.J.L. and van Geel, B., 1985. Vegetational and environmental succession and net organic production between 4500 and 800 B.P. reconstructed from a peat deposit in the western Dutch coastal area   (Assendelver Polder). Rev. Palaeobot. Palynol., 45: 239-300.

    25. Wiegers, J. and van Geel, B., 1984. Meesia triquetra   (Jolyclerc) Ångstr. in a   Late-Glacial peat deposit of Allerød age from Usselo, The Netherlands. Lindbergia, 10: 183-186.

    24. van Geel, B. and van der Burgh, J., 1984. Bracts and other vegetative remains of Salix reticulata   L. in a Lateglacial deposit from Usselo, The Netherlands. Acta Bot. Neerl., 33: 267-273.

    23. van Geel, B., de Lange, L. and Wiegers, J., 1984. Reconstruction and   interpretation of the local vegetational succession of a Lateglacial deposit from Usselo (The Netherlands), based on the analysis of micro-   and macrofossils. Acta Bot. Neerl., 33: 535-546.

    22. Wiegers, J. and van Geel, B., 1983. The bryophyte Tortella flavovirens   (Bruch) Broth. in Late Glacial sediments from Usselo (The Netherlands) and its significance as a palaeo-environmental indicator. Acta Bot. Neerl., 32: 431-436.

    21. van Geel, B., Bos, J.M. and Pals, J.P. 1983 (1986): Archaeological and palaeoecological aspects of a medieval house terp in a reclaimed raised bog area in North Holland. Ber. Rijksd. Oudheidk. Bodemonderz., 33: 419-444.

    20. van Geel, B., Hallewas, D.P. and Pals, J.P., 1983. A Late Holocene deposit under the Westfriese Zeedijk near Enkhuizen (Prov. of N-Holland, The Netherlands): palaeoecological and archaeological aspects. Rev. Palaeobot. Palynol., 38: 269-335.

    19. van der Hammen, T. and van Geel, B., 1982. Historia geológica y secuencia vegetational y climática de la Cordillera Oriental Colombiana. Ref. de Geografía Universidad Nacional, 3:223-235.

    18. Brenninkmeijer, C.A.M., van Geel, B. and Mook, W.G., 1982. Variations in the   D/H and 18   O/ 16 O ratios in cellulose extracted from a peat bog core. Earth Planet. Sci. Lett., 61: 283-290.

    17. van Geel, B., Bohncke, S.J.P. and Dee, H., 1981. A palaeoecological study of an upper Late Glacial and Holocene sequence from "De Borchert", The Netherlands. Rev. Palaeobot. Palynol., 31:367-448.

    16. Casparie, W.A., van Geel, B, and Teunissen, D., 1981. Stratigraphical description of the peat sections in the northeastern Netherlands analysed for D/H ratios. In: C.M. van der Straaten, Deuterium in organic matter. Thesis, State University Groningen. Appendix B: 96-120.

    15. Pals, J.P., van Geel, B. and Delfos, A., 1980. Paleoecological studies in the Klokkeweel bog near Hoogkarspel (prov. of Noord Holland). Rev. Palaeobot. Palynol., 30: 371-418.

    14. van Geel, B., 1979. The application of fungal and algal remains and other microfossils in palynological analyses. In: B.E. Berglund (Editor), Palaeohydrological changes in the temperate zone in the last 15000 years. Subproject B: Lake and mire environments. Project guide I.G.C.P.-project 158, Vol.II: 169-176. SEE ALSO 28.

    13. van Geel, B., 1979. Preliminary report on the history of Zygnemataceae and the use of their spores as ecological markers. Proc. IVth Int. Palynol. Conf. Lucknow (1976-1977) 1: 467-469.

    12. Ellis-Adam, A.C. and van Geel, B., 1978. Fossil zygospores of Debarya   glyptosperma   (De Bary) Wittr. (Zygnemataceae) in Holocene sandy soils. Acta. Bot. Neerl. 27: 389-396.

    11. van Geel, B. and van der Hammen, T., 1978. Zygnemataceae in Quaternary Colombian sediments. Rev. Palaeobot. Palynol., 25: 377-392.

    10. van Geel, B., 1978. A palaeoecological study of Holocene peat bog sections in Germany and the Netherlands. Rev. Palaeobot. Palynol., 25: 1-120.

    9.   van Geel, B. and Kolstrup, E., 1978. Tentative explanation of the Late Glacial and Early Holocene climatic sequence in north-western Europe. Geol. Mijnbouw 57: 87-89.

    8.   Bakker, J.A., Brandt, R.W., van Geel, B., Jansma, M.J., Kuiper, W.J., van Mensch, P.J.A., Pals, J.P. and IJzereef, G.F., 1977. Hoogkarspel-Watertoren: towards a reconstruction of ecology and   archeology of an agrarian settlement of 1000 B.C.   A.E. van Giffen Instituut voor Prae- en Protohistorie, Ex Horreo, Cingula IV: 187-225.

    7.   van Geel, B., 1976. A paleoecological study of Holocene peat bog sections, based on the analysis of pollen, spores and macro- and microscopic remains of fungi, algae, cormophytes and animals. Thesis, Univ. of Amsterdam. SEE ALSO 10.

    6.   Pals, J.P. and van Geel, B., 1976. Rye cultivation and the presence of   cornflower ( Centaurea cyanus   L.). Ber. Rijksd. Oudheidk. Bodemonderz., 26: 199-204.

    5.   van Geel, B., 1976. Fossil spores of Zygnemataceae in ditches of a prehistoric settlement in Hoogkarspel (The Netherlands). Rev. Palaeobot. Palynol., 22: 337-344.

    4.   van Geel, B. and van der Hammen, T., 1973. Upper Quaternary vegetational and climatic sequence of the Fuquene area (Eastern Cordillera, Colombia). Palaeogeogr. Palaeoclimatol. Palaeoecol., 14: 9-92.

    3.   van Geel, B. and van Bree, P.J.H., 1972. Sur la disposition des alvéoles des molaires supérieures chez Oryzomys bauri   Allen, 1892 (Rodentia, Cricetidae). Mammalia, 36: 120-125.

    2.   van Geel, B., 1972. Palynology of a section from the raised peat bog "Wietmarscher Moor", with special reference to fungal remains. Acta Bot. Neerl., 21: 261-284.

    1.   Wijmstra, T.A., Smit, A., van der Hammen, T. and van Geel, B., 1971. Vegetational succession, fungal spores and short-term climatic cycles in pollen diagrams from the Wietmarscher Moor. Acta Bot. Neerl., 20: 401-410.

    Popular publications

    van Geel, B. & Mauquoy, D., 2010. Peatland records of solar activity. PAGES News18(1): 11-12.

    Brinkkemper, O., Broekens, P. & van Geel, B., 2009. Archeobotanisch onderzoek. In: Arnoldussen, S., Müler, A & Mauro, G.V., Sijbekarspel-Wadway. Rapportage Archeologische Monumentenzorg 180, Rijksdienst voor het Cultureel Erfgoed, p. 36-38, met bijlagen op p. 79-82.

    Peeters, H. et al. (among which BvG) 2009. North Sea Prehistory Research and Management Framework(NSPRMF). Rijksdienst voor het Cultureel Erfgoed, Amersfoort, 40 pp.

    van Geel, B. 2009. Van grazige weiden tot zompig moeras; prehistorisch stuifmeel enzaden laten zien welke planten hier groeiden. Hoofdstuk 11 (zelfgeschreven interview) in: A. Verhagen & D. Mol, De Groote Wielen. p. 170-181, Uitgeverij DrukWare, Norg. ISBN 978-90-78707-06-6.

    van Geel, B., 2008. Klimaatgeschiedenis wijst op dominante rol van de zon; wisselende zonneactiviteit veroorzaakt klimaatveranderingen. In: Polariced, Zoologisch Museum Amserdam, p. 45-54.

    Mol, D., de Vos, J., Bakker, R., van Geel, B., Glimmerveen, J., van der Plicht, J., Post, K., 2008. Kleineencyclopedie van het leven in het Pleistoceen; mammoeten, neushoorns en andere dieren van deNoordzeebodem. De Wetenschappelijke Bibliotheek van Natuurwetenschap & Techniek, Diemen. ISBN 9789085710981

    van Geel, B., 2007. Wisselende zonne-activiteit veroorzaakt klimaatveranderingen. SPIL 2007 (3): 9-13.

    Marijnissen, S. en van Geel, B., 2007. Europese venen en meren bieden opmerkelijke visie op klimaatverandering. Website: http://www.kennislink.nl/web/show?id=163769 (6 p.)

    van Geel, B., 2006. De mens of de zon? De oorzaak van klimaatverandering. Spui (Magazine vooralumni van de Universiteit van Amsterdam) 2006/1: 20-21.

    van Geel, B., 2006. Paleobotanisch onderzoek van organische afzettingen uit De Groote Wielen, een vindplaats van botten van zoogdieren uit de laatste ijstijd bij 's Hertogenbosch. Rapport in opdracht van de gemeente 's Hertogenbosch. 16 pp.

    van der Linden,M. & van Geel,B., 2005. Het middeleeuws milieuarchief van de Noord-Hollandse daliegaten. Westerheem 54: 114-120.

    van Geel, B., 2005. Eland van Borne nu ook 14C- gedateerd in Rammelbeek-fase (Preboreaal). Grondboor & Hamer 59(4): 100.

    van Geel, B. 2005. Bergvennen als archief van het landschap. Natuurlijk Overijssel 2/2005: 14-15.

    van Geel, B., 2004. Zijn wij schuldig aan klimaatverandering of is het de zon? GEA Stichting Geologische Activiteiten 37 (4): 126-131.

    Casparie, W.A., van Geel, B., Hanraets, A.E.M., Jansma, E. & Stuijts, I.L.M., 2004. De veenweg van   Nieuw-Dordrecht - onvoltooid en niet gebruikt. Nieuwe Drentse Volksalmanak 2004: 114-141.

    van Geel, B., 2003. Eindeijstijd werd mammoet fataal. Geografie 12(7): 16-17.

    van Geel, B., 2003. De omgeving van Nieuwendam ten tijde van de ontginning van het Waterlandse veengebied. In: D. Groffen & M. de Roever: Nieuwendam, monument aan de noordelijke IJ-oever. Stichting Historisch Centrum Amsterdam-Noord, Amsterdam. pp. 21-31.

    van Geel, B. en van Wijngaarden-Bakker, L.H., 2002. De Eland van Borne en het gebruik van stuifmeel voor milieu-reconstructie en datering. Grondboor & Hamer 56 (5): 137-141.

    van Geel, B. en Borger, G.J., 2002. Sporen van grootschalige zoutwinning in de Kop van Noord-Holland. Westerheem 51: 242-260.

    Mauquoy, D., van Geel, B., Blaauw, M., van der Plicht, J. and Berendse, F., 2001. North-West European bogs show that Little Ice Age climate changes may have been driven by changes in solar activity. Change (Research and Policy Newsletter on Global Change from the Netherlands) 59: 14-16.

    van Geel, B., 2000. Klimaatdiscussie. BètaBulletin 5: 14.

    van Geel, B., 2000. Zonneactiviteit: een belangrijke klimaatsturende factor. Aarde & Mens 4 (2): 42-45.

    van Geel, B., 2000. Excursiegids 40e Belgisch-Nederlandse Palynologendagen, West-Friesland en Waterland, pp. 67.

    van Geel, B., 1999. Fossielebladeren van Berken geven een beeld van snel stijgende CO 2 -concentraties direct na de laatste IJstijd. ßètaBulletin, Universiteit van Amsterdam, 7: 5-6.

    van Geel, B., 1999. Excursion guide book of XXIII. Moorexkursion in The Netherlands (23rd University of Bern international vegetation-historical bog and mire excursion; editor and principal author), pp. 203.

    van Geel, B., 1999. CO 2 and climate change, CCNet (The Cambridge-Conference Network), 22 December 1999 (http://abob.libs.uga.edu/bobk/cccmenu.html)

    van Geel, B., 1998. Broeikaseffect of zonneactiviteit: een spanningsveld tussen klimaatonderzoekers. Samenvattingen Wetenschapsdag 'Spanning', Universiteit van Amsterdam, 4 oktober 1998, p. 5.

    van den Bremt, P., Dirkx, G.H.P., During, R., van Geel, B., Kooistra, L.I. and Tack, G., 1998. Een stekelig beeld van het Atlantische bos. Landschap 15: 245-250.

    van Geel, B., 1997. Investigating climate changes over short time intervals: the potential of the Holocene record. EPD Newsletter 7: 6-7.

    van Geel, B., 1997. Een reactie naar aanleiding van de recensie van het proefschriftvan J. Buurman. Westerheem 46 (4): 42-43.

    van Geel, B., 1997. Wordt Waterland recreatiepark? Waterkrant (kwartaalblad van de Stichting Behoud Waterland) 90: 22-23.

    van Geel, B., 1997. Nieuwe kennis over klimaatveranderingen. Net Werk (contactblad van de Stichting Net Werk voor de geschiedenis van hygiëne en milieu) 57: 2-3.

    van Geel, B., 1994. Veengroei en veenontginning. In: M. Rappol en C.M. Soonius (red.) In de bodem van Noord-Holland: geologie en archeologie. Lingua Terrae, Amsterdam. p. 141-163

    van Geel,B., 1994. Excursie Ilperveld. In: M. Rappol en C.M. Soonius (red.) In debodem van Noord-Holland: geologie en archeologie. Lingua Terrae, Amsterdam. p. 258-259.

    Cappers, R.T.J., Bosch, J.H.A., Bottema, S., Coope, G.R., van Geel, B., Mook-Kamps, B. & Woldring, H., 1993. De reconstructie van het landschap. Hoofdstuk 3 (p. 27-41)in : W.A.B. van der Sanden, R.T.J. Cappers, J.R. Beuker & D. Mol (red.) Mens en mammoet. De mammoeten van Orvelte en de vroegste bewoning van Noord-Nederland. Archeol. Monogr. Drents Museum Deel 5.   Assen, 62 pp.

    van Dam, H., van Geel, B., van der Wijk, A. en Dickman, M.D., 1988. Beheer van vennen in historisch perspectief. De Levende Natuur 89: 66-73.

    van Dam, H., van Geel, B., van der Wijk, A. en Dickman, M.D., 1987. Twee eeuwen pH-veranderingen in drie Nederlandse vennen. Diatomededelingen 5:4-8.

    van Geel, B., 1985. Onderzoek van een 13e eeuwse huisterp op hoogveen te Oostzaan. Mededelingenblad Stichting Oudheidkamer Oostzaan, 2: 12-14.

    van Geel, B., 1984. Palynologische aanwijzingen voor landbouw op pasontgonnen hoogveen in middeleeuws Oostzaan. Mededelingenblad Stichting Oudheidkamer Oostzaan, 1: 11-15. Also published in Mededelingenblad Stichting Oudheidkamer Oostzaan, jaargang 22: 8-11.

    Reviews and abstracts

    van Geel, B., 1977. Fungi fromHolocene peatbogs. Abstracts Second International Mycological Congress, Tampa, p. 703.

    van Geel, B. and Kolstrup,E., 1978. En mulig forklaring for klimaœndringerne i Senglacialet og det tidligste Holocœn i Nordvesteuropa. Abstr. XIII. Nord. Geol. Vinterm., Jan. 1978. Copenhagen. p. 82.

    Casparie, W.A., and van Geel, B., 1980. Is therea climatologically determined correlation between transgressions and ombrogenous peatgrowth? (Meeting Royal Bot. Soc. of the Netherlands on November 20, 1979). Acta Bot. Neerl.,29: 311.

    van Geel, B., 1984. Reconstruction and interpretation of the vegetational succession of aLateglacial deposit from Usselo (TheNetherlands) based on a fine resolutionanalysis of micro- and macrofossils. Abstracts Sixth International Palynological Conf., Calgary, p. 170.

    Gams, W. andvan Geel, B.,1985.Book review: Atlas of Airborne Fungal Spores in Europe. S.T. Nilsson (Editor). Rev. Palaeobot. Palynol. 44: 151-152.

    van Geel, B., Bos, J.M. and Pals, J.P., 1986. Palaeoecological aspects of medieval settlements on reclaimed raised bogs in the western Netherlands. Abstr. Symp. The Cultural Landscape, Bergen, Norway, p.30.

    van Geel, B., 1988. Vegetational history of Carbury Bog (Co. Kildare, Ireland) during the last 850 years and the temperature indicator valueof 2H/1H measurements of peatsamples. Abstr.Symp. Vistula Basin, Cracow, p. 10.

    van Dam, H., van Eijden, T., van Geel, B., Buskens, R., van der Plicht,J. and Feijtel, T., 1989. A multiple core study in the acidified moorland pool Gerritsfles, The Netherlands. Abstr. VthInt. Symp. on Palaeolimnology, Cumbria. p. 109.

    Ralska-Jasiewiczowa, M. and van Geel, B., 1990. Early man-made disturbance of natural environments recorded in the annually laminated sediments of Lake Gosciaz (Central Poland). Abstr. Symp. Working Gr. Impact of Prehistoric andMedieval Man on Vegetation. INQUA-Commission for the study of the Holocene, Wilhelmshaven. p. 29-30.

    van Geel, B. 1992. Impact of climate historyand expected man-induced climatic changes on forest development(Abstract).Outline of lectures European Forest Reserves Workshop, 6-8 May 1992, Wageningen, The Netherlands (M.E.A. Broekmeyer, editor) p. 23-25.

    van Geel, B. 1992. Fossil fungal spores as extra indicators for human impact in the past? Abstr. 8th Int. Palynol. Congr., Aix-en-Provence, p.152.

    Ralska-Jasiewiczowa, M., van Geel, B.,Goslar, T. andKuc, T. 1992. Durationof the Younger Dryas - evidence from varved sediments in Poland. Abstr. 8th Int. Palynol.Congr., Aix-en-Provence, p.119.

    Ralska-Jasiewiczowa, M., van Geel,B. and Goslar, T. 1992. Anthropogenic vegetation changes during 7500 years recorded in varved sediments from Poland. Abstr. 8th Int.Palynol. Congr., Aix-en-Provence, p.119.

    van Geel, B., 1993. Book review: Evaluationof climate proxy data in relation to the European Holocene. B. Frenzel, A. Pons and B. Gläser (Editors). Palaeogeogr. Palaeoclimatol. Palaeoecol. 102: 336-337.

    van Geel, B. and van 't Veer, R., 1993. Book review: Fens and bogs in the Netherlands: vegetation, history, nutrient dynamics and conservation. J.T.A. Verhoeven (Editor). Acta Bot. Neerl. 42: 405-406.

    van Geel, B., Ralska-Jasiewiczowa, M., Goslar, T. en Kuc,T., 1993. De Jonge Dryas uit de sedimenten met jaargelaagdheid van het Gosciaz-meer inMidden-Polen. Abstr. Jonge Dryas Dag 29.10.1993. Nederlandse Onderzoekschool voor Sedimentaire Geologie, Vrije Universiteit, Amsterdam

    Kilian, M.R., van Geel, B. and van der Plicht, J., 1994. Wiggle-match dating of Holocene raised bog deposits. Book of Abstracts 15th Int. Radiocarbon Conference. SURRC, Glasgow, p. 189.

    van Geel, B., 1994. Interpretatie van de start van het Laat-Glaciaal in de dekzandgebieden: klimaat, bodem, nutriënten, cyanobacteriën, planten en insecten, en een vergelijking met klimaatgegevens van elders. Abstract 34e Belgisch-Nederlandse Palynologendagen. BAI, RUG, p.7-9.

    Ravazzi, C., Speranza, A., Baroni, C., Carton,A., Chiesa,S.,Frassoni, A., van Geel, B., Orombelli, G. and Rossi, G., 1995.Pioneer forest, forest limit and glacier evolution in the central Italian Alps  during Late Glacial and early Holocene. Abstracts European Union of Geosciences 9-13 April 1995, Strasbourg, p. 266.

    Speranza, A., Baroni, C., Carton, A., van Geel, B. and Ravazzi, C.,1995. Early Holocene vegetation and glacier evolution in Central Alps: the PianVenezia palaeobotanical record (Trento, Italy). Abstract XIV International Congress INQUA, August3-10, 1995, Berlin. Schriften der Alfred-Wegener-Stiftung 2: 259.

    Ravazzi, C., van der Burgh,J., Chiesa, S., Cremaschi, M., vanGeel,B., Hooghiemstra, H., Lozej, A., Orombelli, G., Paganoni, A., Pocachard, J., Rossi, P.M. and Rossignol-Strick,M., 1995. Early Pleistocene climate andgeological evolutionatthe southern margin of the Alps: stratigraphy of the Leffe succession. Abstract XIV International Congress INQUA, August 3-10, 1995, Berlin. Schriften der Alfred-Wegener-Stiftung 2: 227.

    Kilian, M.R., van Geel, B., van der Plicht, J. and Goslar,T., 1995. 14C AMS wiggle-match dating of Holocene raised bog and lake deposits. Abstract XIV International Congress INQUA, August 3-10, 1995, Berlin. Schriften der Alfred-Wegener-Stiftung 2: 136.

    Willemsen, J., van 't Veer, R. and van Geel, B., 1995. Environmental change during the medieval reclamation of the former raised bog area Waterland, The Netherlands. Abstract XIV International Congress INQUA, August 3-10, 1995, Berlin.Schriften der Alfred-Wegener-Stiftung 2: 297.

    Törnqvist, T.E.,van Ree, M.H.M. and van Geel, B., 1995. High-resolution reconstruction of sea-levelrise by means of integrated paleoecological analysis and AMS 14C dating of basal peats (Rhine-Meuse delta, The Netherlands): a methodological study. Abstract XIV International Congress INQUA, August 3-10,1995,Berlin. Schriften der Alfred-Wegener-Stiftung 2: 276.

    van Geel, B., 1995. Thechanging ecological setting forhuman populations around800 calBC (2650 BP) in the northern Netherlands as a consequence ofabrupt climate change.Abstract European Research Conference The Ecological Setting of Europe, La Londe les Maures, France, October 7-12, 1995, p. 74.

    Kilian, M.R., van Geel, B. and van der Plicht, J., 1995. Wiggle-match datingof Holocene raised bog deposits. Research at theNetherlands Centre for Geo-ecological Research: patterns and processes in changingenvironments. ICG publications 3, Amsterdam: 31.

    van Geel, B., 1996. Changing AP/NAP ratios, temperatures and trophic conditionsduring the Late-glacial and EarlyHolocene in Europe.In: Late-glacial and Early Holocene climatic and environmental changes in Italy (Evans, S.P., Frisia, S., Borsato,A., Cita, M.B., Lanzinger, M., Ravazzi, C. and Sala, B., Editors) AIQUA-MTSN ConferenceAbstracts,Trento (Italy), 7-9 February 1996, p. 101-103.

    van Geel, B., 1996. Fungi, algae and other additional kinds of fossils as palaeo-environmental indicators in Quaternary deposits. In: Late-glacial and Early Holocene climatic and environmental changes in Italy (Evans, S.P.,Frisia, S., Borsato, A., Cita, M.B., Lanzinger, M., Ravazzi, C.and Sala, B., Editors) AIQUA-MTSN Conference Abstracts, Trento (Italy), 7-9 February 1996, p. 121-123.

    Mommersteeg, H.J.P.M., Ravazzi,C.,Speranza, A. and van Geel, B., 1996. Holocenevegetation development in theItalian Central Alps: a multi-variate approach (Pian Venezia palaeobotanical record,Trento, Italy). In: Late-glacial andEarly Holocene climatic and environmental changes in Italy (Evans, S.P., Frisia,S., Borsato, A., Cita, M.B., Lanzinger, M., Ravazzi, C. and Sala, B., Editors) AIQUA-MTSN Conference Abstracts, Trento (Italy), 7-9 February 1996, p. 111-112.

    Speranza, A., Baroni, C., Carton, A., van Geel, B., Mommersteeg, H., Orombelli, G. and Ravazzi, C., 1996. Holocene vegetation evolution and human impact in the Central Alps: the Pian Venezia Palaeobotanical record (Trento, Italy). In: Late-glacialand Early Holocene climatic and environmentalchanges inItaly (Evans, S.P., Frisia, S.,Borsato,A., Cita, M.B., Lanzinger, M., Ravazzi, C. and Sala, B., Editors) AIQUA-MTSN Conference Abstracts, Trento (Italy), 7-9 February 1996, p. 167-168.

    van Geel, B., 1996. Book review: Historical ecology of the British Isles. M. Ingrouille. Acta Bot. Neerl.45: 117.

    van Geel, B., 1996.Climate change and history of settlements around 2650 BP in Western Europeand evidencefor climatic teleconnections. Abstract UNESCO Workshop 'Water, Environment and Societyin Times of Climatic Change', 7-12 July 1996, SedeBoker, Israel, p. 48.

    van Geel, B., 1996. 14CWiggle-matchdating of peat cores: astrategy for high precision dating and the recognition of reservoir effects. Abstract Workshopon Peat Bog Archives ofAtmospheric MetalDeposition(W. Shotyk, editor), 1-3 October 1996, Berne, Switzerland, p. 30.

    Buurman, J. en van Geel, B., 1996. Het einde van de Bronstijdbewoning in West-Friesland ('Hoogkarspel-cultuur') werd veroorzaakt door een plotselinge klimaatverandering. Programmaboekje met samenvattingen lezingen 26e Reuvensdagen, 14 en 15 november 1996 te Nijmegen. Stichting voor de Nederlandse Archeologie. p. 9-10.

    van Geel, B., van der Plicht, J., Kilian, M.R., Renssen, H. and Waterbolk, H.T.,1997. The sharp rise of 14C around 800 cal BC: possible causes, related climatic teleconnections and the impact on human environments. Book of Abstracts 16th International Radiocarbon Conference, (W.H. Mook, editor), CIO, Groningen, p. 51.

    van Geel, B. and Renssen, H., 1997. The impact of abrupt climate change around 2650 BP in NW-Europe, evidence for climatic teleconnections, and a tentative explanation. Book of Abstracts of the Second SIS Cambridge Conference "Natural catastrophes during Bronze Age Civilisations. Archaeological, Geological, Astronomical & Cultural Perspectives"(OrganisingCommittee/Editors: M.E. Bailey, T. Palmer and B.J. Peiser),p. 11.

    van Geel, B., van der Plicht, J., Kilian, M.R., Klaver, E.R., Kouwenberg,J.H.M., Renssen, H., Reynaud-Farrera,I. and Waterbolk, H.T., 1997. The sharp rise of ∆14C around 800 cal BC: possible causes, related climatic teleconnections and the impact on human environments. Book of Abstracts of the Second SIS Cambridge Conference "Naturalcatastrophes during Bronze Age Civilisations. Archaeological, Geological, Astronomical & Cultural Perspectives" (Organising Committee: M.E. Bailey, T.Palmer and B.J.Peiser), p. 24.

    Goslar, T., Ralska-Jasiewiczowa, M., van Geel, B., Lacka, B. and Szeroczynska, K.,1997. Anthropogenic changes in the composition ofthe Lake Gosciaz (central Poland)sediments, during the last 300 years. Abstract Volume 7th International Symposium on Palaeolimnology, Riedlingen, Germany. Würzburger Geographische Manuskripte 41:81-82.

    Ralska-Jasiewiczowa, M., van Geel, B., Goslar, T., Pelisiak, A., Rybicka, M. and Szeroczynska, K.,1997. Lake Gosciaz, central Poland - human impact on surrounding vegetation and lake history from Mesolithic till recent times. Abstract Volume 7th International Symposium on Palaeolimnology, Riedlingen, Germany. Würzburger Geographische Manuskripte 41: 163-164.

    Carrión, J.S. and van Geel, B., 1997. A particular Upper Pleistocene and Holocene vegetational history in southern Europe: Navarres (Valencia,Spain). Abstracts 3rd Symposium of African Palynology, 14-19 September 1997, Johannesburg, South Africa.

    van Geel, B., van der Plicht, J., Kilian, M.R., Klaver,E.R., Kouwenberg, J.H.M., Renssen, H., Reynaud-Farrera, I. and Waterbolk, H.T., 1998.The sharp riseof ∂14C ca. 800 cal BC: possible causes, related climatic teleconnections and the impact on human environments. Abstracts PAGES Open Science Meeting, London, April 20-23 1998 (B. Marcoli, editor), p. 129.

    van Geel, B., van der Plicht, J., Kilian, M.R. and Renssen, H., 1998. Solar forcing of climatechange around 850 cal BC? Abstract Congresboek Vierde Nederlands Aardwetenschappelijk Congres. Veldhoven, 7 en 8 mei 1998, p. 1.23

    van Geel, B., 1998. Book review:Coastal Estonia,recent advances in environmental and cultural history. T. Hackens, U. Miller and L. Saarse (Editors). Rev. Palaeobot. Palynol. 102: 313-315.

    Raspopov, O.M., Shumilov, O.I., Kasatkina, E.A., Kochegura, V.V., Dergachev, V.A., van Geel, B., van der Plicht, J. and Renssen, H.,1998. Abruptclimate change around 2800-2900 BP. Should we expect thesimilar situation inthe future? Abstracts Int.Symp. Polar Aspects of Global Change, Tromsø, 24-28 August 1998.

    Raspopov, O.M., Shumilov, O.I., Kochegura, V.V., Dergachev, V.A., van Geel,B., van der Plicht,J. andRenssen, H., 1998. External forcing of terrestrial climate during the Holocene around 2800 BP. Meeting European Geophysical Society, Nice, 20-24 April 1998, p. 189.

    Raspopov,O.M., Shumilov, O.I., Kasatkina, E.A., Kochegura, V.V., Dergachev, V.A., van Geel, B., van der Plicht, J. and Renssen, H., 1998. Experimental evidence of climate cooling during period of low solar activity and geomagnetic excursion around 2800 BP. Russian Academy of Sciences, Abstracts Seminar Physics of Auroral Events, Apatity, 20-27 March 1998, p. 70.

    Raspopov, O.M., Shumilov, O.I., Kochegura, V.V., Dergachev, V.A., van Geel, B., van der Plicht, J. and Renssen, H., 1998. Abrupt climate change in Holocene; shouldwe expect the similar situation in the future? Proceedings of the 2nd European Conference on Applied Climatology, 19-23 October 1998, Vienna, p. 64.

    O'Connell, M., Molloy, K., Holmes, J.A., Jones, R., Saarinen, T., Roberts, M., McDermott, F., Hawkesworth, C.J., Barton, K., Leuenberger, M., Eicher, U., Chambers, F.M., Hunt, J.B., van der Plicht, J., van Geel, B., Schettler, G., Dalton, C., Batterbee, R.W., Dörfler, W., Usinger, H., and Haas, J.N., 1999. Timing and mechanisms of Holocene climate change in NW Europe (TIMECHS): multidisciplinary investigations of calcareous lake sediments from Inis Oírr, Aran Islands, W. Ireland. In: Proceeedings of European Climate Science Conference, Vienna(19-23rd October 1998), EU Commission, Brussels.

    van Geel, B.,Renssen, H. and van der Plicht, J., 1999. Solar forcing of climate change: evidence form the past. Abstracts Workshop on Paleodata and Climate Models, KNMI, De Bilt, <A href="http://www.knmi.nl/~weber/workshop/">http://www.knmi.nl/~weber/workshop/

    van Geel, B., Renssen, H. and van der Plicht, J., 1999. Pleistocene and Holocene evidencefor solar forcingof climatechange. Geophysical Research Abstracts (XXIV General Assembly EGS, The Hague, 19-23April 1999), vol1,nr 3, p. 678.

    Wagner, F., Kürschner, W.M., Bohncke,S.J.P. and van Geel, B., 1999. Stomatal index analysis revealssensivityof atmospheric CO2 to rapid climate change during the Early Holocene. J. Conf. Abstr. 4, p.185, EUG 10,Strasbourg, France.

    Wagner, F., Kürschner, W.M.,Bohncke,S.J.P., van Geel, B. and Aaby, B. 1999. Complex patterns of atmospheric CO2 concentrations during the Holocene reflected in leaf records. EOS, Transactions, AGU 1999 Spring Meeting, Vol. 80, nr 17,p. S168, Boston, USA.

    Raspopov, O.M., Shumilov, O.I., Dergachev, V.A., van Geel, B., van der Plicht, J. and Renssen, H., 1999. Periodicity of sharp climatic changes during the Holocene and its link with increase of cosmic ray fluxes. Geophysical Research Abstracts XXIV General Assembly EGS, The Hague, 19-23 April 1999), vol 1, nr 3, p. 679.

    Speranza, A., van Geel, B., van der Plicht, J. and Renssen, H., 1999. Evidence of a solar activity - climatic change relationship around 2700 BP at Pancavska Louka (Czech Republic). Geophysical Research Abstracts (XXIV General Assembly EGS, The Hague, 19-23 April 1999), vol 1, nr 3, p. 681.

    van Geel, B., 1999. Klimakrise und Siedlungsverlagerungen um 850 v. Chr. in den Niederlanden. Abstracts Arbeitsgemeinschaft Theorie, 3. Deutscher Archäologenkongress (Heidelberg, 25-30 Mai1999), p.10-12.

    Dergachev, V., van Geel, B., Zaitseva, G., Alekseev, A., Chugunov, K., van der Plicht,J., Possnert, G. and Raspopov,O.,1999.The earliest recordsof Scythians in Eurasia and sharp climatic changes around 2700 BP. Abstracts 1st Conference  'Physics in Culture'. Thessaloniki, 28-30 October 1999, p. 37.

    Pancost, R.D., Baas, M., Schenk, M., van Geel, B, Heijna, E. and Sinninghe Damsté,J.S., 1999. Distributions and carbon-isotope abundancesof biomarkersin a Subboreal raised bog: Evidence for climatic and biological change. in: Abstracts of the19th International Meeting on Organic Geochemistry, 6-10 September 1999, TÜBTAK MarmaraResearch Center, Istanbul, p. 271-272.

    Marchant, R., and 31 other authors (among which B. van Geel), 1999. Pollen-based biome reconstructions for Latin America at 0, 6000 and 18,000 radiocarbon years.Abstracts VII Brazilian Association for Quaternary Studies Congress, October 1999, Porto Seguro, Brazil.

    van Geel, B., Renssen, H. and van der Plicht, J., 2000. Radiocarbon and 10Be as proxies for solar forcing of climate change? Abstracts Annual Discussion Meeting Quaternary Research Association, 6-7th January 2000, Southampton, p. 9-10.

    Blaauw, M.A., Mauquoy, D., Renssen, H., Speranza, A.O.M., van der Plicht, J. and van Geel, B., 2000. Evidence for solar forcing of climate during the Late-Glacial and Holocene. Abstracts AnnualDiscussion Meeting Quaternary Research Association, 6-7th January2000, Southampton, p.36.

    van Geel, B., Renssen, H. and van der Plicht, J., 2000. Aanwijzingen uit het verleden voor zonneforcering van klimaatveranderingen. Abstracts CLIVAR-meeting, 16 and 17 March 2000, KNAW, Amsterdam, p.29-30.

    van Geel, B., van der Plicht, J. and Renssen, H., 2000. Major ∆14C fluctuations during the Late Glacial and Early Holocene: the effect of changes in ocean ventilation and deep water formation, or an indication for solar forcing of climate change? Abstracts 1st. ALDP/ELDP Joint Meeting, 20-25 March 2000, Kyoto and Mikata, Japan) MONSOON 1: 90-91.

    van Geel, B., 2000. Book review: Environment and Vikings, with special reference toBirka. U. Miller, H. Clarke, A.-M. Hansson, M. Johansson, B. Ambrosiani and T. Hackens (Editors). Palaeogeogr., Palaeoclimatol., Palaeoecol. 158: 148-149.

    van Geel, B., 2000. Mise en évidence d'un forçage solaire du climat à partir dedonnées paléoécologiques et archéologiques, Préactes colloque 'Equilibres et ruptures dans les écosystèmes durant les 20 derniers millénaires: durabilitéet mutation', Besançon, p. 30.

    O'Connell, M., Molloy, K., Saarinen, T., Schettler,G., McDermott,F., Hawkesworth, C.J., Huang, Y., Holmes, J.A., Jones, R., Leuenberger, M., Chambers, F.M., Hunt, J.B., Daniell, J.,van der Plicht, ,J., Heijnis, H., van Geel, B., Barton, K., Haas, J.N. and Dalton, C., 2000. Human impact and climate change at the western fringe of Europe:multidisciplinarystudiesof calcareous sediments from An Loch Mór, Aran Islands, W. Ireland. Terra Nostra 2000/7: 77-80.

    van Geel, B., 2000. The Subboreal-Subatlantic transition: disaster or blessing? Abstracts Symposium Past Global Changes, 3-11-2000, IGBP/WCRP commissie Koninklijke NederlandseAkademie van Wetenschappen, p.14-16.

    Marchant, R., Behling, H., Boom, A., Cleef, A., Harrison, S., Hooghiemstra, H., Markgraf, V., Prentice, C., Absy, M.L., Ager, T., Anderson, R.,Baied, C., Björck, S., Byrne, R., Bush, M., Berrio, J.C., Duivenvoorden, J., Flenley, J., De-Oliveira, P., Graf, K., Haberle, S., Hansen, B., Horn, S.,Kuhry, P., Ledru, M.P., Leyden, B., Garcia-Lozano, S., Melief, B., Moreno, P., Schreve-Brinkman, E., van Geel, B., van derHammen, T. and van Reenen, G., 2000. Pollen-based reconstructions for Latin America:applications at a range of spatial and temporal scales and links to climate and vegetation model output. Abstracts Symposium Past Global Changes, 3-11-2000, IGBP/WCRP commissie Koninklijke Nederlandse Akademie van Wetenschapppen, p. 28-30.

    Blaauw, M.A., Mauquoy, D., Speranza, A., vander Plicht, J. and van Geel, B., 2000. Evidence for solar forcing of climate change duringLate-Glacial andHolocene. Abstracts Symposium Past Global Changes, 3-11-2000, IGBP/WCRP commissie Koninklijke Nederlandse Akademie van Wetenschappen, p. 40-41.

    Hooghiemstra, H., Marchant, R., van Geel, B. and Islebe, G., 2001. Holocene climatic change and the riseand fall of andean and Central American civilizations in relation to the 'American Monsoon'. In: Y.Yasuda and V. Shinde (Ed.), Monsoon andCivilization, Extended Abstracts of the 2nd International Workshop of the Asian Lake Drilling Programme, Pune, India, p.31-34.

    van Geel, B., Shinde, V. and YasudaY., 2001. Solar forcing of climate change and a monsoon-related cultural shift in Western India around 800 cal BC. In: Y. Yasuda and V. Shinde (Ed.), Monsoon and Civilization, Extended Abstracts of the 2nd InternationalWorkshopof the Asian LakeDrilling Programme, Pune, India, p. 35-39.

    van Geel, B., 2001. Evidence from the past: solar forcing of climate change by way of cosmic rays and/or by solar UV?, Abstract Workshop on Ion-Aerosol-Cloud Interactions, CERN, Geneve, 18-04-2001 ( http://cloud.web.cern.ch/cloud/iaci_workshop/abstracts/van_geel.html )

    van Geel, B., 2001. Changing climate, vegetation responses and human societies around 850 cal BC and the possible role of a solar UV decline. TerraNostra 2001/3: 223-226.

    Cini-Castagnoli,G., van Geel, B., Meulenkamp, J.E. and Vos, H., 2001. Results of the ELDP working group on cyclicities; extraterrestrial forcing recorded in paleoclimate archives. Terra Nostra 2001/3: 52-60.

    O'Connell,M., Molloy, K., Holmes, J.A., Jones, R.,Leuenberger, M., Eicher, U., Schettler, G.,Saarinen, T., McDermott, F., van der Plicht, J., Chambers, F.M., Hunt, J.B., Daniell, J.R.G., van Geel, B., Haas, J.N. and Dalton, C., 2001. Evidence from the TIMECHS project for climatic instability during the early Holocene at the Atlantic fringe of Europe. Terra Nostra 2001/3: 159-161.

    O'Connell, M., Molloy, K. and van Geel, B., 2001. Pollen analysis and 'other microfossils' (NPP) analyses(mainprofile and detailed investigations of laminae) An Loch Mór, Inis Oírr, W. Ireland. Final Report TIMECHS (Timing and mechanisms of Holocene climate change in NW Europe). EU, 4th Framework Programme, p. 1-35.

    van Geel, B.,2001. Holocene climate change caused by fluctuationsof solar UV? Abstracts Climate Change Symposium CLIC, June6-8th 2001, Turku, p. 29.

    Blaauw,M.A., Mauquoy, D., Speranza, A., vander Plicht, J. and van Geel, B., 2001. Solar forcing of climateduring the Holocene:evidence from peat bogs. Abstracts Climate Change Symposium CLIC, June 6-8th 2001,Turku, p. 70.

    Blaauw, M.A.,Mauquoy, D.,Speranza, A., van der Plicht, J. and van Geel,B., 2001. Solar forcing of climate during theHolocene: evidence from peatbogs. Abstracts Open ScienceConferenceGlobal Change, 10-13 July 2001, Amsterdam, p. 244.

    Mauquoy, D., Blaauw, M., van Geel, B., and van der Plicht, J., 2001. North-west European bogs show that Little Ice Age climatic changes were driven by changes in solar activity. Abstracts Open Science Conference Global Change, 10-13 July 2001, Amsterdam, p. 244.

    van Geel, B., Renssen, H. and van der Plicht, J., 2001. Abrupt climate change around 850 cal BC from Central Africa to northern Europe and the roleof solar UV. Abstracts PAGES-PEPIII Conference 'Past Climate Variability through Europe and Africa', 27-31 August 2001, Aix-en-Provence, p. 86-87.

    van Geel, B., 2001. Are we to blame, or is it the sun? Abstracts Symposium 'Climate reconstruction and lakehazards', 31 October 2001, Utrecht University, p. 16-17.

    Berendse,F., van der Meijden, R., Groen, C.L.G., Kuchlein, J.H., van Geel, B., Alkemade, J.R.M., 2001. Assessment of long-term effects of climate change on biodiversity in the Netherlands. Dutch National Research Programme on Global Air Pollution and Climate Change, Overview ofprojects, p. 44.

    van Geel, B., 2001. Het veen als klimaat-archief. Abstract International Peat Society (IPS Nederland), Symposium"Natuurlaat je geworden...maar hoe?" 15-11-2001, Zwolle, p. 8-9.

    Blaauw, M.A., Bos, J.A.A., van Geel, B., Mauquoy, D. and van der Plicht, J., 2002. 14C wiggle-match dating: advantages and limitations. Abstracts Discussion Meeting Quaternary Research Association, January 3rd - 5th 2002, Oxford, p. 6.

    van Geel, B., 2002.The indicator value of fungal spores from archaeological sites. Abstracts AnnualScientific Meetingof British Mycological Society, 16-04-2002, London, p. 2.

    Chugunov, K.V.,Dergachev, V.A., van Geel,B., van der Plicht, J., Possnert, G., Sementsov, A.A., Scott, E.M., Vasiliev, S.S.and Zaitseva, G.I., 2002. First data on the chronologicalstudy of the unique tsar burialmound Arzhan-2in Central Asia (Tuva Republic). Abstracts Fourth Symposium 14C andArchaeology, 9-14 April 2002, Oxford, p.74.

    Bos, J.A.A., Blaauw, M.A., van Geel, B., Mauquoy, D. and van der Plicht, J., 2002. 14C wiggle-match dating: advantages and limitations. Abstracts Zesde Nederlands Aardwetenschappelijk Congres, 18 -19 April, Veldhoven, p. 4.9.

    van der Plicht, J., van Geel, B., Bohncke, S.J.P., Bos, J.A.A., Blaauw, M., Speranza, A.O.M., and Muscheler, R., 2002. European terrestrial evidence for early holocene solar forcing ofclimate change. Abstracts Zesde Nederlands Aardwetenschappelijk Congres, 18 -19 April, Veldhoven, p. 4.12.

    van Geel, B., 2002. Holocene climate change caused by fluctuations of solar UV? Abstracts Climate Change Symposium (S. Tuhkanen and M. Oja, editors), 6-8 June 2001, Turku, Publicationes InstitutiGeographici Universitatis Turkuensis 165: 27.

    Blaauw, M.A., Mauquoy, D., Speranza, A., van der Plicht, J. and van Geel, B., 2002. Solar forcing of climate during the holocene: evidence from peat bogs. Abstracts Climate Change Symposium (S. Tuhkanen and M. Oja, editors), 6-8 June 2001, Turku, Publicationes Instituti Geographici Universitatis Turkuensis 165: 57-58.

    Dergachev, V., van Geel, B., van der Plicht,J., Raspopov, O., Mörner,N.-A, and Zaitseva, G., 2002. Sharp climatic changes around 2700 BP as the cause of population migration in Europe and Eurasia? EGS XXVII General Assembly, Nice, France, April 2002, Geophysical Research Abstracts, Volume 4 (CD-ROM: ISSN 1029-7006). see also http://www.cosis.net/members/meetings/search_programme.php?m_id=1&p_id =

    van Geel, B.,Renssen, H. and van der Plicht, J., 2002. Abrupt climate change around 850 cal BC fromCentral Africa to northern Europe and the role of solar UV. EGS XXVII General Assembly, Nice, France, April 2002, Geophysical Research Abstracts, Volume 4 (CD-ROM: ISSN 1029-7006)see alsohttp://www.cosis.net/members/meetings/search_programme.php?m_id=1&p_id=

    van Geel, B., van der Plicht, J., Renssen, H., Mauquoy, D., Blaauw, M.A., Bos, J.A.A. and Bohncke, S.J.P., 2002. Sun-climate relationships: the evidence from Lateglacial and Holocene terrestrial deposits. EGS XXVII General Assembly, Nice, France, April 2002, Geophysical Research Abstracts, Volume 4 (CD-ROM: ISSN 1029-7006) see also http://www.cosis.net/members/meetings/search_programme.php?m_id=1&p_id =

    van Geel, B. , 2002. Holocene climate proxy data, with a focus on European terrestrial records. Abstracts ESF/HOLIVAR workshop 'Holocene climate variability: comparisons of climate model simulations with palaeoclimate reconstructions', June12-15, 2002, Louvain-la-Neuve, p. 14-15.

    Bokovenko, N.A., Zaitseva, G.I., van Geel, B., Lebedeva, O.B. and Sementsov, A.A., 2002. To the problem of the chronology of the earlyTagar monuments inthe Yenisey River basin (in Russian). Report International Conference "Eurasian steppes during Prehistory and Mediaeval period", St.Petersburg, 11-15 March, 2002, State Hermitage, St.Petersburg, p. 19-22.

    Dergachev, V.A., van Geel, B., Bokovenko, N.A., Dirksen,V.G., Koulkova, M.A., van der Plicht, J. and Zaitseva, G.I., 2003. Climatic changes during the Holocene in the Eurasian steppe of Southern Siberia (Minusinsk andUyuk hollows)and the developmentof archaeologicalcultures. Geophysical Research Abstracts 5: 02738

    Dergachev, V.A., Dmitriev, P.B., Raspopov, O.M., Mörner, N.-A. and van Geel, B., 2003. Cosmic rays, solar activity, geomagnetic field and climate fluctuations during the stadial and interstadial states. Geophysical Research Abstracts 5:02752

    Blaauw, M. andvan Geel, B., 2003. 14C wiggle-match dating of peat deposits. Abstracts ESF-HOLIVAR Workshop 'Holocene dating, chronologies, and age modelling', April 24-27, Zeist, p.15-18.

    van Geel, B., Jansma, E., van der Plicht, J., Sass-Klaassen, U., Hanraets, E., Spurk, M., Friedrich, M. and Leuschner, H.-H., 2003. European oaks, the sun andthe early Subatlantic climate disaster. Abstracts TRACE 2003 (Int. Symposium 'Treerings inarchaeology, climatology and ecology'), May 1-3, Utrecht, p. 25.

    Blaauw, M., van Geel, B. and van der Plicht, J., 2003. Solar forcing of climate change during the mid-Holocene: evidence from raised bogs in the Netherlands. ESF-HOLIVAR Training course 'Quantitative climate reconstruction and data-modelcomparisons'. June 23-July 4, London, p. 34.

    Koulkova, M., Bokovenko, N., van Geel, B., Dergachev, V.A., van der Plicht, J., Dirksen,V. and Zaitseva, G.I.,2003. The development of archaeological cultures and climatic changes in the Eurasian steppes of Southern Siberia during the Holocene (the Minusinsk hollow). Proceedings International Scientific Conference, Moscow, State Historical Museum, 2003, pp. 185-187 (in Russian).

    van Geel. B.,2003. The sun, climate change and the sudden expansion of the Scythian culture after 850 BC. Abstracts NATO Advanced Research Workshop "Impact of the Environment on Human Migration in Eurasia" November 15-18, St. Petersburg, p. 32.

    Bos, J.A.A., van Geel, B., van der Plicht,J. and Bohncke, S.J.P., 2004. Preboreal climate oscillations in Europe. Abstracts 7th Nederlands Aardwetenschappelijk Congres, 5 - 6 April, Veldhoven, p. 2.19.

    van der Linden, M.andvanGeel,B., 2004. The effects of changing climate and human activities on species composition and carbon sequestration in bog ecosystems over the last 400 years. Abstracts 7th Nederlands Aardwetenschappelijk Congres, 5 - 6 April, Veldhoven, p. 2.28.

    van Geel, B., 2004. De zon als sturende factor  bij klimaatveranderingen; aanwijzingenuit het verleden.  KNMI colloquium,19-02-2004. http://www.knmi.nl/reindex.html?voorl/colloqui

    van Geel, B., 2004. Palaeoclimatology, changing solar activityand climatechange. Abstracts Symposium Buys Ballot Research School, 12-04-2004, Utrecht, p. 5-9.

    Zaitseva, G.I., Chugunov, K.V., Dergachev, V.I., Dirksen, V.G., vanGeel, B., Koulkova, M.A., Lebedeva, L.M., Sementsov, A.A., van der Plicht, J., Scott, E.M. and Bourova, N.,2004. Chronologicalstudy of archaeological sites and environmental change around 2600 BP in the Eurasian steppe belt. Abstracts 8thInternational Conference "Methods of Absolute Chronology", 17-19th May 2004, Ustron, Poland, p. 159-160.

    Dergachev, V.A., Raspopov, O.M. and van Geel, B., 2004. Manifestation of the ~2400- and ~1500-year cyclicities in cosmogenic isotope concentration and climatic data. Abstract meeting European Geosciences Union, Nice, France, 25-30 April 2004. http://www.cosis.net/members/meetings/sessions/poster_programme.php?p_id=80&s_id=1369

    Bos, J.A.A., van Geel, B., van der Plicht, J. and Bohncke, S.J.P., 2004. Preboreal climatic oscillations in Europe. Abstracts XI International Palynological Congress. Granada, 4-8 July 2004. Polen 14: 209-210.

    Dirksen, V.G., van Geel,B. and Zaitseva, G.I., 2004. Late Holocene abrupt climate change and the expansion of the Scythian cultures in southern Siberia and Central Asia. Abstracts XI International Palynological Congress. Granada, 4-8July 2004. Polen 14: 219.

    van Geel, B., 2004. The paleo-environmentalindicator value of non-pollen palynomorphs in lake sediments, peat deposits, and archaeological sites.AbstractsXI InternationalPalynological Congress. Granada, 4-8 July 2004. Polen 14: 276-277.

    van Geel, B., 2004. An abrupt decline in solar activity around 850 BC and the effect on European wetlands. ConferenceAbstracts 7th INTECOLInternational Wetlands Conference, Utrecht, 25-39 July 2004, p. 334.

    Marchant, R., Boom,A., Behling, H., Hooghiemstra, H.,van Geel, B., van der Hammen, T. and Wille, M., 2004. Colombian vegetation at theLate Glacial Maximum - a comparison of model and pollen-based biome reconstructions. Abstracts XI InternationalPalynological Congress.Granada, 4-8 July 2004. Polen 14: 301-302.

    Almeida-Lenero, L., Hooghiemstra, H., Cleef, A.M., and van Geel, B.,2004. Holocene climatic and environmental change from pollen records of Mexican lakes Zempoala and Quila. Abstracts XIInternational Palynological Congress. Granada, 4-8 July 2004. Polen 14: 539-540.

    Almeida-Lenero, L. and van Geel, B., 2004. Holocene non-pollen palynomorphs from Lake Zempoala, Mexico. Abstracts XI International Palynological Congress. Granada, 4-8July 2004. Polen 14: 577.

    Bos, J.A.A., Huisman, D.J., Kiden, P., Hoek, W.Z. and van Geel, B., 2004. Early holocene environmental change in the Kreekrak area (Zeeland, SW-Netherlands): a multi-proxy analysis. Abstracts DEUQUA Meeting "From Source to Delta", 30 August - 3 September 2004, Nijmegen, p. 20.

    vanGeel, B., Pals, J.P., van Reenen, G. and Mol, D., 2004. Plant remains in theYukagir Mammoth dung and an environmental reconstruction. Proceedings of International Scientific Conference The Yukagir Mammoth, outcome of the first stage of work. 17-18 November 2004, Yakutsk, p. 58-59.

    van Geel, B., 2005. Changing interpretations of Preboreal climate change in NW Europe. Abstracts Academy Colloquium 'Early Holocene Climate Oscillations',KNAW, Amsterdam, p. 5-6.

    Bos, J.A.A., van Geel, B., van der Plicht, J. and Bohncke, S.J.P., 2005. Climate change during the Preboreal in Europe: chronology, causes andeffects. Abstracts Academy Colloquium 'Early Holocene Climate Oscillations', KNAW, Amsterdam, p. 10-11

    Kiden, P., Bos, J.A.A., Huisman, D.J., Hoek, W.Z., van Geel, B., 2005. Early Holocene environmental change in the Kreekrakarea (Zeeland, SW-Netherlands): a multi-proxy analysis. Abstracts Academy Colloquium 'Early Holocene Climate Oscillations', KNAW,Amsterdam, p. 41-42.

    van der Plicht, J., van Geel, B., Bohncke, S.J.P., Bos, J.A.A.,Blaauw, M., Speranza, A.O.M., Muscheler, R. and Björck, S., 2005.Early Holocene solar forcing of climatechange. Abstracts Academy Colloquium 'Early Holocene Climate Oscillations', KNAW, Amsterdam, p.45-46.

    Gaillard, M.-J., Greisman, A., Hellman, S., Lemdahl,G. and van Geel,B., 2005. Late Holoceneclimate change in southern Sweden: do land-cover changes during the last 3000 calendar years matter? Abstracts ESF-HOLIVAR workshop 'Climate-human society interactions during the Holocene', 9-12 May 2005, Ånnaboda, p. 27-33.

    van Geel, B., 2005. The impact of climate change at the Subboreal/Subatlantic transition. Abstracts ESF-HOLIVAR workshop 'Climate-human society interactions during the Holocene', 9-12 May 2005, Ånnaboda, p. 67-71.

    van Geel, B., Bokovenko, N.A., Burova, N.D., Chugunov, K.V., Dergachev, V.A.,Dirksen, V.G., Kulkova, M., Nagler, A., Parzinger, H.,van der Plicht, J.,Vasiliev, S.S. and Zaitseva, G.I., 2005. Climate change and the sudden expansion of the Scythian culture after 850 BC. Abstracts Conference 'Archaeology of Southern Siberia; ideas,methods, discoveries.Minusinsk, 20-26 June 2005, p. 67-68.

    Dirksen, V., Koulkova, M. and van Geel, B., 2005. Climate and vegetation of the Minusinsk depression during the Holocene according to the proxy data of pollen, other microfossils and geochemistry (inRussian). Abstracts Conference 'Archaeology of Southern Siberia; ideas, methods, discoveries'.Minusinsk, 20-26 June 2005, p. 77-78.

    van Geel, B., Birks, H., Aptroot, A., Baittinger,C., Mol, D., Pals, J.P., Shoshani, J., van Reenen, G., Bull, I., Evershed, R., Nierop, K., Tikhonov, A. and van Tienderen, P., 2005. Environmental reconstruction based on the Yukagir Mammoth's lastmeal. Proceedings International Symposium on Yukagir Mammoth. Aichi, Japan, 18 June 2005, p. 13-14.

    Almeida-Leñero, L., Ludlow-Wiegers, B., van Geel, B., Gonzales, M.C. andAptroot, A., 2005. Records of mid-Holocene fungi fromLake Zempoala, Central Mexico. Abstracts Mycological Conference 'Hyphal Bridges over the Pacific: AdvancedMycology', Hawaii, 30 July-5 August 2005, p. 80-81.

    van Geel, B., 2005. The Sun, climate change and the expansion of the Scythiansafter 850 BC. Abstracts SORCE Science Meeting "Paleo Connections between theSun, Climate and Culture", Durango, Colorado,USA, September 14-16, p.14.

    Yeloff, D., Blokker, P., Rozema, J., van Geel, B., Mauquoy, D. and Gartlett, S., 2005. The fossil record of UV-B in Juncus seeds and the relation with climate change. Abstracts SORCE Science Meeting "Paleo Connections between the Sun, Climate and Culture",Durango, Colorado, USA, September 14-16, p. 23.

    van Geel, B., Aptroot, A., Birks, H.H., Bull, I.D., Evershed, R.P., Mol, D., Nierop, K.G.J., Pals, J.P., vanTienderen,P.H. and van Reenen, G., 2005. Plant remains in the Yukagir Mammoth dung and an environmental reconstruction. Short Papers andAbstracts 2nd World of Elephants Congress, 22-25 September 2005, Mammoth Site of Hot Springs, South Dakota, p. 193-194.

    van Geel, B., Bokovenko, N.A., Burova, N.D., Chugunov, K.V., Dergachev, V.A., Dirksen, V.G., Kulkova,M.A., Nagler, A., Parzinger, H., van der Plicht, J., Vasiliev, S.S. and Zaitseva, G.I., 2005. Climate change and the sudden expansion of the Scythian culture after 850 BC. Abstracts International Scientific Conference devoted to the centenary of S.I. Kiselev, 20-26 June 2005, Minusinsk, p. 67-68.

    Dirksen, V.G., Koulkova, M.A. and van Geel, B., 2005. Archaeology of southern Siberia:ideas, methods,discoveries. Abstracts International Scientific Conference devotedto the centenary of S.I. Kiselev, 20-26 June 2005, Minusinsk, p. 77-79 (in Russian).

    van der Linden, M. and van Geel, B., 2006. Effect of climate change and human activities on raised bog ecosystems: a study in Southern Sweden. Abstracts KNAW meeting Opportunities in Global Change Research, 7 February 2006, Amsterdam, p. 34.

    Verschuren, D., Haug, G., SinningheDamsté, J., van Geel, B., Conley, D., De Batist, M., Fagot, M., Kristen, I., Lyaruu, A., Milne,I., Keppens, E., Mingram, J., van der Plicht, J., Cumming, B.F., and Russell, J.M., 2006.CHALLACEA:High-resolution, multi-proxy climate reconstruction for equatorial East Africa (21 ka BP to present) from laminatedlake sediments near Mt. Kilimanjaro. Geophysical Research Abstracts Vol. 8: EGU06-A-10112.

    van Geel, B., 2006. Solar activity, climate change and the expansion of the Scythians after 850  BC. Geophysical Research Abstracts Vol. 8: EGU06-A-02626.

    Dirksen, V.G., Koulkova, M.A., van Geel, B.,  Bokovenko, N.A., Sementsov, A.A., Cook, G.T., van der Plicht, J., Scott, E.M., Lebedeva, L.M., Bourova, N.D. and Zaitseva, G.I., 2006. The chronology of climatic change andcultural dynamics in southern Siberia in the Holocene based on  multiproxydata  (pollen, microfossils, geochemistry and radiocarbon dating). Abstracts 19th International 14C conference, 3-7 April 2006, Oxford. http://www.rlaha.ox.ac.uk/c14/conference19/abstracts.html

    van Geel, B., 2006. Holocene climate change on decadal to centennialtime scales and the potential role of solar variability and other forcing factors. Abstracts HOLIVAR Open Science Meeting, 12th - 15th June 2006, London, p. 28.

    Blaauw, M., Andrés Christen, J., Mauquoy, D., van Geel, B. andvan der Plicht, J., 2006. Simultaneous or sucked in? Testing the timing of radiocarbon-dated climate events between sites. Abstracts HOLIVAR Open Science Meeting, 12th - 15th June 2006,London, p. 121.

    van Geel, B., 2006. Summaryof valuable non-pollen palynomorph. Abstracts 2nd International Workshop on Non-pollen-palynomorphs, 28-30 August 2006, Innsbruck, p. 67-71.

    Dirksen, V.G., Koulkova,M.A., van Geel, B., Bokovenko, N.A., Chugunov K.V., Sementsov, A.A., Zaitseva, G.I., Cook, G., van der Plicht, J., Scott, M., Lebedeva, N.D. andBourova N.D., 2006. Changes of climate and vegetation in Southern Siberia during theHolocene andthe dynamics ofarchaeological cultures. Proceeding of theAll-Russian Congress: the modern problems of theRussian Archaeology, Novosibirsk, October 2006, Volume 1: 198-201 (in Russian).

    van der Linden, M. and van Geel, B., 2006. Late-Holocene climate change and human impact; palaeoecologicalevidence from peat deposits in Sweden and Germany. Abstracts Fall Meeting American Geophysical Union; seePP51A at http://www.agu.org/meetings/fm06/fm06-sessions/fm06_PP51A.html

    van Geel, B., 2006. Raised bogs, a climate shift, cultural change, and reduced solar activity in the early first millenniumBC. Abstracts Fall Meeting American Geophysical Union; see PP54B-06 at http://www.agu.org/meetings/fm06/fm06-sessions/fm06_PP54B.html

    van Geel. B., 2007. Het klimaat verandert, maar is de mens wel schuldig?Abstracts 21e Conferentie voor het Biologie Onderwijs: OnsKlimaat (Lunteren, 19 en 20 januari 2007) p. 37-38.

    van Geel, B., 2007. Raised bogs as archives of climate change. Abstracts International Symposium on Carbon in Peatlands, Wageningen, 15-18 April 2007, p. 45.

    van der Linden, M. and van Geel, B., 2007. Late-Holocene climate change; effects on carbon accumulation in bog ecosystems in Sweden and Germany. Abstracts International Symposium on Carbon in Peatlands, Wageningen, 15-18 April 2007, p. 121-122.

    Heijmans, M., van Geel,B., Berendse, F., 2007. Modelling long-term effects of climate change on vegetationand carbon dynamics in peat bogs. Abstracts Darwin Days, 26 and 27 April 2007, Veldhoven, p. 22.

    van der Linden,M. and van Geel,B., 2007. Late-Holocene climate change and human impact; effectson carbon accumulation in bog ecosystems in Sweden and Germany. Abstracts Darwin Days, 26 and 27 April 2007, Veldhoven, p. 58.

    van Geel, B., 2007. Pleistocene herbivores and vegetation composition: an ecological relationship often overlooked by palynologists. Abstracts IV International Mammoth Conference, June 18-22-2007, Editor: G. Boeskorov, Yakutsk, p. 151-152.

    Blaauw, M., Mauquoy, D. and van Geel, B., 2007. Registration of a past climate eventc. 850 cal BC: Bayesian analysis of multiple cores from within a raised bog site. Abstract XVIIINQUA Congress, 28 July - 3 August 2007, Cairns, Australia, Quaternary International 167-168: 35.

    Blaauw,M., Chambers, F., Mauquoy, D., Plunkett, G., Swindles, G.T., van Geel, B. and Yeloff, D., 2007. A meta-analysis of climate change c. 850 cal BC using high resoution proxy archives. Abstract XVII INQUA Congress, 28 July - 3 August 2007, Cairns, Australia, Quaternary International 167-168: 35.

    Cook, E., van Geel, B. and van der Kaars, S., 2007. The addition of non-pollen palynomorphs to pollen and spore analysis in Australia. Abstract XVII INQUA Congress, 28 July - 3 August 2007, Cairns, Australia, QuaternaryInternational 167-168: 78-79.

    van Geel, B., Pals,J.P., van Reenen, G., Mol, D., van Tienderen, P., Kuperus, P., Gravendeel, B., Cross, H.B. and Birks, H.H., 2008. poster abstract: Plant remains in the Yukagir Mammoth dung and an environmental reconstruction. Abstracts 9th Nederlands Aardwetenschappelijk Congres, 18 and 19 March 2008, Veldhoven, The Netherlands. see http://www.nac9.nl/abstract_list.php?id=270

    Wolff, C., Haug, G., Plessen, B., Verschuren, D. and CHALLACEA Participants (among which BvG), 2008. Lake Challa (Kenya/Tanzania)sediments as archive of climate and environmental variability in equatorial East Africa. Abstracts EGU General Assembly 2008 (Geophysical Research Abstracts) EGU2008-A-09889,

    see http://www.cosis.net/members/meetings/sessions/accepted_contributions.php?p_id=298&s_id=5111&PHPSESSID=c0ae24c54d

    Verschuren, D., Sinninghe Damsté, J.S., Haug, G., Kristen, I., Moernaut,J., Milne, I., Wolff, C., Fagot, M., van Geel, B. Blaauw, M., 2008. A 25,000 years climate record from the East African equator:half-precessional climate forcing and the history of temperature and hydrological change. Abstracts EGU General Assembly 2008 (Geophysical Research Abstracts) EGU2008-A-01576,

    see http://www.cosis.net/members/meetings/sessions/accepted_contributions.php?p_id=298&s_id=5111&PHPSESSID=c0ae24c54d

    van Geel,B., 2008. Fortyyears of non-pollen palynomorphs: a state of the art. Abstracts 3rd InternationalWorkshop on Quaternary Non-Pollen Palynomorphs, 25-28 June 2008, Padova, Italy. p. 64-65.

    Gelorini, V., Verschuren, D. and van Geel, B., 2008. Evaluating modern non-pollen palynomorph diversity in East African lake deposits: a potential palaeoecological tool for tracing human and climate impact through time. Abstracts 3rd International Workshop on Quaternary Non-Pollen Palynomorphs, 25-28 June 2008, Padova, Italy. p. 19.

    O'Connell, M., Molloy, K. and van Geel, B., 2008. Holocene enviromental change at the Atlantic fringe of Europe: the pollen evidence from the coastal lake AnLoch Mór on Inis Oírr, Aran Islands. Terra Nostra 2008/2 (Abstract volumeof 12th International Palynological Congress, Bonn), p. 209.

    van Geel, B., 2008. Forty years of Non-Pollen Palynomorphs: a state of the art. Terra Nostra 2008/2 (Abstract volume of 12th International Palynological Congress, Bonn), p. 292.

    Broekens, P & van Geel, B., 2008. Hoge Weide: microfossielen en macroresten uit de opvulling van een crevassegeul uit de Romeinse tijd. 47e Belgisch-Nederlandse Palynologendagen. BIAXiaal 374: 12-16.

    Gelorini, V., Verschuren, D., Eggermont, H. and van Geel, B. 2009. Modern non-pollenpalynomorph (NPP) diversity and distribution in EastAfrican lake sediments: evaluating a new paleoecological tool fortracinghuman impact and climate change. Abstracts 2nd workshop 'Lessons from the past for the future' of the Eastern African Quaternary Research Association, Addis Ababa, 20-25 May 2009. Abstract No. 16, Poster 3.

    van Geel, B., 2009. La crise climatique vers 850 avant notre ère. Abstracts Colloque international 'Des climats et des hommes', organized by Institut National de Recherches Archéologiques Préventives, la Cité des Sciences et de l'Industrie et Météo-France, 19-21 Novembre, Paris, p. 27.

    van Geel,B., 2010. Global warming: blame Man an/or the Sun? Abstracts Nederlands Aardwetenschappelijk Congres, p. 17.

    van Geel, B., 2010. De Zon als dominante klimaatbepalende factor; aanwijzingen uit het verleden. Abstracts KNAW bijeenkomst 'Klimaatverandering; een klimaatdebat vanuit wetenschappelijk perspectief', p. 10-11.

    van Geel, B., 2010. Frozen mammoth feces from Alaska and the evidence for coprophagy. Abstracts 4th Workshop Non-Pollen Palynomorphs, p. 10.

    Hillbrand, M., van Geel, B., Hadorn, P., Hasenfratz, A., Haas, J.N., 2010. Changes in water trophy levels in relation to human settlement activities at Lake Nussbaumersee, Thurgau, Switzerland. Abstracts 4th Workshop Non-Pollen Palynomorphs, p. 20.

    Montoya, E., Rull, V., van Geel, B., 2010. Non-pollen palynomorphsfrom surface sediments along an altitudinal transect of the Venezuelan Andes. Abstracts 4th Workshop Non-Pollen Palynomorphs, p. 30.

    van Geel, B., Guthrie, R.D., Fisher, D.C., Altmann, J.G., Broekens, P., Bull, I.D., Gill, F.L., Gravendeel, B., Jansen, B., Nieman, A.M., Rountrey, A.N., van Reenen, G.B.A., 2010. Paleoecological studies of mammoth and mastodon feces and the evidence for coprophagy. Quaternaire, Hors-série - Numéro 3: 98-99 (extended abstract).

    Nieman, A.M., van Geel, B., van Kolfschoten, T., Gravendeel, B., 2010. Diet analysis of mammoths ( Mammuthus primigenius) based on ancient DNA. Quaternaire, Hors-série - Numéro 3: 67.

  • Publicaties

    2024

    • Piena, H., van Geel, B., Hakbijl, T., Kalis, A. J., van der Knaap, P. W. O., van Leeuwen, J. F. N., & Nooren, C. A. M. (2024). A microfossil-based object biogeography of a set of stocks from the Rijksmuseum in Amsterdam. Review of Palaeobotany and Palynology, 329. https://doi.org/10.1016/j.revpalbo.2024.105172
    • van Geel, B., van der Plicht, J., Kasse, C., & Mol, D. (2024). Radiocarbon dates from the Netherlands and Doggerland as a proxy for vegetation and faunal biomass between 55 and 5 ka cal bp. Journal of Quaternary Science, 39(2), 248-260. https://doi.org/10.1002/jqs.3582 [details]
    • van der Knaap, W. O., van Geel, B., van Leeuwen, J. F. N., Roescher, F., & Mol, D. (2024). Pollen reveals the diet and environment of an extinct Pleistocene giant deer from the Netherlands. Review of Palaeobotany and Palynology, 320, Article 105021. https://doi.org/10.1016/j.revpalbo.2023.105021 [details]

    2023

    2022

    • Lee, C. M., van Geel, B., & Gosling, W. D. (2022). On the use of spores of coprophilous fungi in sediments to indicate past herbivore presence. Quaternary, 5(3), Article 30. Advance online publication. https://doi.org/10.3390/quat5030030 [details]
    • Shumilovskikh, L. S., Shumilovskikh, E. S., Schlütz, F., & van Geel, B. (2022). NPP-ID: Non-Pollen Palynomorph Image Database as a research and educational platform. Vegetation History and Archaeobotany, 31(3), 323–328. Advance online publication. https://doi.org/10.1007/s00334-021-00849-8 [details]
    • Smeenge, H., Kooijman, A., Brinkkemper, O., de Mars, H., Mauquoy, D., & van Geel, B. (2022). The origin of alkaline fen in the Mosbeek Valley in the Netherlands is due to human impact rather than a natural development. Holocene, 32(7), 613–623. Advance online publication. https://doi.org/10.1177/09596836221088230 [details]
    • van Geel, B. (2022). Weichselian and Holocene lake sediments, peat deposits and molar folds as environmental archives in the North Sea area. Grondboor en Hamer, 76(3/4), 200-207. [details]
    • van Geel, B., van Leeuwen, J. F. N., Nooren, K., Mol, D., den Ouden, N., van der Knaap, P. W. O., Seersholm, F. V., Rey-Iglesia, A., & Lorenzen, E. D. (2022). Diet and environment of Mylodon darwinii based on pollen of a Late-Glacial coprolite from the Mylodon Cave in southern Chile. Review of Palaeobotany and Palynology, 296, Article 104549. https://doi.org/10.1016/j.revpalbo.2021.104549 [details]

    2021

    • Bazelmans, J., van Balen, R., Bos, J., Brinkkemper, O., Colenberg, J., Doeve, P., van Geel, B., Hakbijl, T., van Hateren, H., Hoek, W. Z., Huisman, H., Jansma, E., Kasse, C., van Os, B., van der Plicht, H., Schokker, J., Van der Putten, N., & van der Woude, J. (2021). Environmental changes in the late Allerød and early Younger Dryas in the Netherlands: a multiproxy high-resolution record from a site with two Pinus sylvestris populations. Quaternary Science Reviews, 272, Article 107199. Advance online publication. https://doi.org/10.1016/j.quascirev.2021.107199 [details]
    • Polling, M., ter Schure, A. T. M., van Geel, B., van Bokhoven, T., Boessenkool, S., MacKay, G., Langeveld, B. W., Ariza, M., van der Plicht, H., Protopopov, A. V., Tikhonov, A., de Boer, H., & Gravendeel, B. (2021). Multiproxy analysis of permafrost preserved faeces provides an unprecedented insight into the diets and habitats of extinct and extant megafauna. Quaternary Science Reviews, 267, Article 107084. Advance online publication. https://doi.org/10.1016/j.quascirev.2021.107084 [details]

    2020

    • Castilla-Beltrán, A., Hooghiemstra, H., Hoogland, M. L. P., Pagán-Jiménez, J., van Geel, B., Field, M. H., Prins, M., Donders, T., Herrera Malatesta, E., Ulloa Hung, J., McMichael, C. N., Gosling, W. D., & Hofman, C. L. (2020). Columbus' footprint: Land-use change before and after European incursion in Hispaniola. PAGES Magazine, 28(1), 24-25. https://doi.org/10.22498/pages.28.1.24 [details]
    • Shumilovskikh, L. S., & van Geel, B. (2020). Non-Pollen Palynomorphs. In A. G. Henry (Ed.), Handbook for the analysis of micro-particles in archaeological samples (pp. 65-94). (Interdisciplinary contributions to archaeology). Springer. https://doi.org/10.1007/978-3-030-42622-4_4 [details]
    • Zhang, Y., van Geel, B., Gosling, W. D., Sun, G., Qin, L., & Wu, X. (2020). Typha as a wetland food resource: evidence from the Tianluoshan site, Lower Yangtze Region, China. Vegetation History and Archaeobotany, 29(1), 51-60. https://doi.org/10.1007/s00334-019-00735-4 [details]
    • van Geel, B., Brinkkemper, O., van Reenen, G. B. A., Van der Putten, N. N. L., Sybenga, J. E., Soonius, C., Kooijman, A. M., Hakbijl, T., & Gosling, W. D. (2020). Multicore Study of Upper Holocene Mire Development in West-Frisia, Northern Netherlands: Ecological and Archaeological Aspects. Quaternary, 3(2), Article 12. https://doi.org/10.3390/quat3020012 [details]
    • van Geel, B., Langeveld, B. W., Mol, D., van der Knaap, P. W. O., & van Leeuwen, J. F. N. (2020). Stuifmeel uit kiesplooien geeft inzicht in de voedselkeuze van Laat-Pleistocene en Vroeg-Holocene herbivoren in Nederland en het aangrenzende Noordzeegebied. Cranium, 37(1), 80-98. [details]

    2019

    • Birks, H. H., van Geel, B., Fisher, D. C., Grimm, E. C., Kuijper, W. J., van Arkel, J., & van Reenen, G. B. A. (2019). Evidence for the diet and habitat of two late Pleistocene mastodons from the Midwest, USA. Quaternary Research, 91(2), 792-812. https://doi.org/10.1017/qua.2018.100 [details]
    • Zhang, Y., van Geel, B., Gosling, W. D., McMichael, C. N. H., Jansen, B., Absalah, S., Sun, G., & Wu, X. (2019). Local vegetation patterns of a Neolithic environment at the site of Tianluoshan, China, based on coprolite analysis. Review of Palaeobotany and Palynology, 271, Article 104101. https://doi.org/10.1016/j.revpalbo.2019.104101 [details]
    • van Geel, B., Langeveld, B. W., Mol, D., van der Knaap, W. O., & van Leeuwen, J. F. N. (2019). Pollen and spores from molar folds reflect food choice of late Pleistocene and Early Holocene herbivores in The Netherlands and the adjacent North Sea area. Quaternary Science Reviews, 225, Article 106030. https://doi.org/10.1016/j.quascirev.2019.106030 [details]

    2018

    • Castilla-Beltrán, A., Hooghiemstra, H., Hoogland, M. L. P., Pagán-Jiménez, J., van Geel, B., Field, M. H., Prins, M., Donders, T., Herrera Malatesta, E., Ulloa Hung, J., McMichael, C. H., Gosling, W. D., & Hofman, C. L. (2018). Columbus’ footprint in Hispaniola: a paleoenvironmental record of Indigenous and Colonial impacts on the landscape of the central Cibao Valley, northern Dominican Republic. Anthropocene, 22, 66-80. https://doi.org/10.1016/j.ancene.2018.05.003 [details]
    • Engels, S., van Oostrom, R., Cherli, C., Dungait, J. A. J., Jansen, B., van Aken, J. M., van Geel, B., & Visser, P. M. (2018). Natural and anthropogenic forcing of Holocene lake ecosystem development at lake Uddelermeer (The Netherlands). Journal of Paleolimnology, 59(3), 329-347. Advance online publication. https://doi.org/10.1007/s10933-017-0012-x [details]
    • Gallego-Sala, A. V., Charman, D. J., Brewer, S., Page, S. E., Prentice, I. C., Friedlingstein, P., Moreton, S., Amesbury, M. J., Beilman, D. W., Björck, S., Blyakharchuk, T., Bochicchio, C., Booth, R. K., Bunbury, J., Camill, P., Carless, D., Chimner, R. A., Clifford, M., Cressey, E., ... Zhao, Y. (2018). Latitudinal limits to the predicted increase of the peatland carbon sink with warming. Nature Climate Change, 8(10), 907-913. Advance online publication. https://doi.org/10.1038/s41558-018-0271-1 [details]
    • Hooghiemstra, H., Olijhoek, T., Hoogland, M., Prins, M., van Geel, B., Donders, T., Gosling, W., & Hofman, C. (2018). Columbus’ environmental impact in the New World: Land use change in the Yaque River valley, Dominican Republic. Holocene, 28(11), 1818-1835. https://doi.org/10.1177/0959683618788732 [details]
    • Langeveld, B. W., Mol, D., Zazula, G. D., Gravendeel, B., Eurlings, M., McMichael, C. N. H., Groenenberg, D., van Reenen, G. B. A., Palmeira, M., Vogel, J., & van Geel, B. (2018). A multidisciplinary study of a Late Pleistocene arctic ground squirrel (Urocitellus parryii) midden from Yukon, Canada. Quaternary Research, 89(1), 333-351. Advance online publication. https://doi.org/10.1017/qua.2017.93 [details]
    • Sevink, J., van Geel, B., Jansen, B., & Wallinga, J. (2018). Early Holocene forest fires, drift sands, and Usselo-type paleosols in the Laarder Wasmeren area near Hilversum, the Netherlands: Implications for the history of sand landscapes and the potential role of Mesolithic land use. Catena, 165, 286-298. https://doi.org/10.1016/j.catena.2018.02.016 [details]
    • van Geel, B., Sevink, J., Mol, D., Langeveld, B. W., van der Ham, R. W. J. M., van der Kraan, C. J. M., van der Plicht, J., Haile, J. S., Rey-Iglesia, A., & Lorenzen, E. D. (2018). Giant deer (Megaloceros giganteus) diet from Mid-Weichselian deposits under the present North Sea inferred from molar-embedded botanical remains. Journal of Quaternary Science, 33(8), 924-933. https://doi.org/10.1002/jqs.3069 [details]

    2017

    • Bos, J. A. A., & van Geel, B. (2017). Palaeoenvironmental reconstruction based on the Early Holocene Haelen sequence, near Roermond (southeastern Netherlands). Geologie & Mijnbouw, 96(2), 115-130. Advance online publication. https://doi.org/10.1017/njg.2016.35 [details]
    • Groenman-van Waateringe, W., & van Geel, B. (2017). Raised bed agriculture in northwest Europe triggered by climate change around 850 BC: a hypothesis. Environmental Archaeology, 22(2), 166-170. https://doi.org/10.1080/14614103.2016.1141085 [details]
    • Rach, O., Engels, S., Kahmen, A., Brauer, A., Martín-Puertas, C., van Geel, B., & Sachse, D. (2017). Hydrological and ecological changes in western Europe between 3200 and 2000 years BP derived from lipid biomarker δD values in Lake Meerfelder Maar sediments. Quaternary Science Reviews, 172, 44-54. https://doi.org/10.1016/j.quascirev.2017.07.019 [details]
    • Sevink, J., & van Geel, B. (2017). Stratigraphic and palaeoecological evidence for late medieval to early modern peat extraction from bogs in Het Gooi (Western Netherlands). Geologie & Mijnbouw, 96(3), 279-290. https://doi.org/10.1017/njg.2017.9 [details]
    • Sánchez Goñi, M. F., Desprat, S., Daniau, A-L., Bassinot, F. C., Polanco-Martínez, J. M., Harrison, S. P., Allen, J. R. M., Anderson, R. S., Behling, H., Bonnefille, R., Burjachs, F., Carríon, J. S., Cheddadi, R., Clark, J. S., Combourieu-Nebout, N., Courtney Mustaphi, C. J., Debusk, G. H., Dupont, L. M., Finch, J. M., ... Yamamoto, M. (2017). The ACER pollen and charcoal database: a global resource to document vegetation and fire response to abrupt climate changes during the last glacial period. Earth System Science Data, 9(2), 679-695. https://doi.org/10.5194/essd-9-679-2017 [details]
    • van Geel, B., Brinkkemper, O., Weeda, E. J., & Sevink, J. (2017). Formation, vegetation succession and acidification of a mid-Holocene moorland pool in the western Netherlands. Geologie & Mijnbouw, 96(1), 17-27. Advance online publication. https://doi.org/10.1017/njg.2016.1 [details]
    • van Geel, B., Protopopov, A., Protopopova, V., Pavlov, I., van der Plicht, J., & van Reenen, G. B. A. (2017). Larix during the Mid‐Pleniglacial (Greenland Interstadial 8) on Kotelny Island, northern Siberia. Boreas, 46(2), 338-345. Advance online publication. https://doi.org/10.1111/bor.12216 [details]

    2016

    • Engels, S., Bakker, M. A. J., Bohncke, S. J. P., Cerli, C., Hoek, W. Z., Jansen, B., Peters, T., Renssen, H., Sachse, D., van Aken, J. M., van den Bos, V., van Geel, B., van Oostrom, R., Winkels, T., & Wolma, M. (2016). Centennial-scale lake-level lowstand at Lake Uddelermeer (The Netherlands) indicates changes in moisture source region prior to the 2.8-kyr event. Holocene, 26(7), 1075-1091. Advance online publication. https://doi.org/10.1177/0959683616632890 [details]
    • Engels, S., Brauer, A., Buddelmeijer, N., Martín-Puertas, C., Rach, O., Sachse, D., & van Geel, B. (2016). Subdecadal-scale vegetation responses to a previously unknown late-Allerød climate fluctuation and Younger Dryas cooling at Lake Meerfelder Maar (Germany). Journal of Quaternary Science, 31(7), 741-752. https://doi.org/10.1002/jqs.2900 [details]
    • Faber, A. H., Kooijman, A. M., Brinkkemper, O., van der Plicht, J., & van Geel, B. (2016). Palaeoecological reconstructions of vegetation successions in two contrasting former turbaries in the Netherlands and implications for conservation. Review of Palaeobotany and Palynology, 233, 77-92. https://doi.org/10.1016/j.revpalbo.2016.07.007 [details]
    • Hawksworth, D. L., van Geel, B., & Wiltshire, P. E. J. (2016). The enigma of the Diporotheca palynomorph. Review of Palaeobotany and Palynology, 235, 94-98. https://doi.org/10.1016/j.revpalbo.2016.09.010 [details]
    • Revelles, J., & van Geel, B. (2016). Human impact and ecological changes in lakeshore environments. The contribution of non-pollen palynomorphs in Lake Banyoles (NE Iberia). Review of Palaeobotany and Palynology, 232, 81-97. https://doi.org/10.1016/j.revpalbo.2016.05.004 [details]
    • Revelles, J., Burjachs, F., & van Geel, B. (2016). Pollen and non-pollen palynomorphs from the Early Neolithic settlement of La Draga (Girona, Spain). Review of Palaeobotany and Palynology, 225, 1-20. https://doi.org/10.1016/j.revpalbo.2015.11.001 [details]

    2015

    • Engels, S., van Geel, B., Buddelmeijer, N., & Brauer, A. (2015). High-resolution palynological evidence for vegetation response to the Laacher See eruption from the varved record of Meerfelder Maar (Germany) and other central European records. Review of Palaeobotany and Palynology, 221, 160-170. https://doi.org/10.1016/j.revpalbo.2015.06.010 [details]
    • Revelles, J., Cho, S., Iriarte, E., Burjachs, F., van Geel, B., Palomo, A., Piqué, R., Peña-Chocarro, L., & Terradas, X. (2015). Mid-Holocene vegetation history and Neolithic land-use in the Lake Banyoles area (Girona, Spain). Palaeogeography, Palaeoclimatology, Palaeoecology, 435, 70-85. https://doi.org/10.1016/j.palaeo.2015.06.002 [details]

    2014

    • Gravendeel, B., Protopopov, A., Bull, I., Duijm, E., Gill, F., Nieman, A., Rudaya, N., Tikhonov, A. N., Trofimova, S., van Reenen, G. B. A., Vos, R., Zhilich, S., & van Geel, B. (2014). Multiproxy study of the last meal of a mid-Holocene Oyogos Yar horse, Sakha Republic, Russia. Holocene, 24(10), 1288-1296. https://doi.org/10.1177/0959683614540953 [details]
    • Hillbrand, M., van Geel, B., Hasenfratz, A., Hadorn, P., & Haas, J. N. (2014). Non-pollen palynomorphs show human- and livestock-induced eutrophication of Lake Nussbaumersee (Thurgau, Switzerland) since Neolithic times (3840 BC). Holocene, 24(5), 559-568. https://doi.org/10.1177/0959683614522307 [details]
    • Loisel, J., Yu, Z., Beilman, D. W., Camill, P., Alm, J., Amesbury, M. J., Anderson, D., Andersson, S., Bochicchio, C., Barber, K., Belyea, L. R., Bunbury, J., Chambers, F. M., Charman, D. J., De Vleeschouwer, F., Fiałkiewicz-Kozieł, B., Finkelstein, S. A., Gałka, M., Garneau, M., ... Zhou, W. (2014). A database and synthesis of northern peatland soil properties and Holocene carbon and nitrogen accumulation. Holocene, 24(9), 1028-1042. https://doi.org/10.1177/0959683614538073 [details]
    • Trondman, A. K., Gaillard, M-J., Mazier, F., Sugita, S., Fyfe, R., Nielsen, A. B., Twiddle, C., Barratt, P., Birks, H. J. B., Bjune, A. E., Björkman, L., Broström, A., Caseldine, C., David, R., Dodson, J., Dörfler, W., Fischer, E., van Geel, B., Giesecke, T., ... Wick, L. (2014). Pollen-based quantitative reconstructions of Holocene regional vegetation cover (plant functional types and land-cover types) in Europe suitable for climate modelling. Global Change Biology, 21(2), 676-697. https://doi.org/10.1111/gcb.12737 [details]
    • Welker, F., Duijm, E., van der Gaag, K. J., van Geel, B., de Knijff, P., van Leeuwen, J., Mol, D., van der Plicht, J., Raes, N., Reumer, J., & Gravendeel, B. (2014). Analysis of coprolites from the extinct mountain goat Myotragus balearicus. Quaternary Research, 81(1), 106-116. https://doi.org/10.1016/j.yqres.2013.10.006 [details]
    • van Geel, B., Heijnis, H., Charman, D. J., Thompson, G., & Engels, S. (2014). Bog burst in the eastern Netherlands triggered by the 2.8 kyr BP climate event. Holocene, 24(11), 1465-1477. Advance online publication. https://doi.org/10.1177/0959683614544066 [details]
    • van Geel, B., Protopopov, A., Bull, I., Duijm, E., Gill, F., Lammers, Y., Nieman, A., Rudaya, N., Trofimova, S., Tikhonov, A. N., Vos, R., Zhilich, S., & Gravendeel, B. (2014). Multiproxy diet analysis of the last meal of an early Holocene Yakutian bison. Journal of Quaternary Science, 29(3), 261-268. https://doi.org/10.1002/jqs.2698 [details]
    • van den Bos, V., Brinkkemper, O., Bull, I. D., Engels, S., Hakbijl, T., Schepers, M., Dinter, M., van Reenen, G., & van Geel, B. (2014). Roman impact on the landscape near castellum Fectio, The Netherlands. Vegetation History and Archaeobotany, 23(3), 277-298. https://doi.org/10.1007/s00334-013-0424-0 [details]
    • van der Linden, M., Heijmans, M. M. P. D., & van Geel, B. (2014). Carbon accumulation in peat deposits from northern Sweden to northern Germany during the last millennium. Holocene, 24(9), 1117-1125. https://doi.org/10.1177/0959683614538071 [details]

    2013

    • Sevink, J., Koster, E. A., van Geel, B., & Wallinga, J. (2013). Drift sands, lakes and soils: the multiphase Holocene history of the Laarder Wasmeren area near Hilversum, The Netherlands. Geologie & Mijnbouw, 92(2/3), 243-266. https://doi.org/10.1017/S0016774600000196 [details]
    • van Geel, B., & Ziegler, P. A. (2013). IPCC underestimates the Sun’s role in climate change. Energy & Environment, 24(3-4), 431-454. https://doi.org/10.1260/0958-305X.24.3-4.431 [details]
    • van Geel, B., Engels, S., Martin-Puertas, C., & Brauer, A. (2013). Ascospores of the parasitic fungus Kretzschmaria deusta as rainstorm indicators during a late Holocene beech-forest phase around lake Meerfelder Maar, Germany. Journal of Paleolimnology, 50(1), 33-40. https://doi.org/10.1007/s10933-013-9701-2 [details]
    • van der Plicht, J., Yeloff, D., van der Linden, M., van Geel, B., Brain, S., Chambers, F. M., Webb, J., & Toms, P. (2013). Dating recent peat accumulation in European ombrotrophic bogs. Radiocarbon, 55(2-3), 1763-1778. https://doi.org/10.2458/azu_js_rc.55.16057 [details]

    2012

    • Chambers, F. M., Booth, R. K., De Vleeschouer, F., Lamentowicz, M., Le Roux, G., Mauquoy, D., Nichols, J. E., & van Geel, B. (2012). Development and refinement of proxy-climate indicators from peats. Quaternary International, 268, 21-33. https://doi.org/10.1016/j.quaint.2011.04.039 [details]
    • Charman, D. J., Beilman, D. W., Blaauw, M., Booth, R. K., Brewer, S., Chambers, F. M., Christen, J. A., Gallego-Sala, A., Harrison, S. P., Hughes, P. D. M., Jackson, S. T., Korhola, A., Mauquoy, D., Mitchell, F. J. G., Prentice, I. C., van der Linden, M., de Vleeschouwer, F., Yu, Z. C., Alm, J., ... Zhao, Y. (2012). Climate-related changes in peatland carbon accumulation during the last millennium. Biogeosciences, 9, 14327-14364. https://doi.org/10.5194/bgd-9-14327-2012 [details]
    • Engels, S., & van Geel, B. (2012). The effects of changing solar activity on climate: contributions from palaeoclimatological studies. Journal of Space Weather and Space Climate, 2, Article A09. https://doi.org/10.1051/swsc/2012009 [details]
    • Martin-Puertas, C., Matthes, K., Brauer, A., Muscheler, R., Hansen, F., Petrick, C., Aldahan, A., Possnert, G., & van Geel, B. (2012). Regional atmospheric circulation shifts induced by a grand solar minimum. Nature Geoscience, 5, 397-401. https://doi.org/10.1038/NGEO1460 [details]

    2011

    • Blaauw, M., van Geel, B., Kristen, I., Plessen, B., Lyaruu, A., Engstrom, D. R., van der Plicht, J., & Verschuren, D. (2011). High-resolution 14C dating of a 25,000-year lake-sediment record from equatorial East Africa. Quaternary Science Reviews, 30(21-22), 3043-3059. https://doi.org/10.1016/j.quascirev.2011.07.014 [details]
    • Chambers, F. M., van Geel, B., & van der Linden, M. (2011). Considerations for the preparation of peat samples for palynology, and for the counting of pollen and non-pollen palynomorphs. Mires and Peat, 7. http://www.mires-and-peat.net/map07/map_07_11.pdf [details]
    • Cook, E. J., van Geel, B., van der Kaars, S., & van Arkel, J. (2011). A review of the use of non-pollen palynomorphs in palaeoecology with examples from Australia. Palynology, 35(2), 155-178. https://doi.org/10.1080/01916122.2010.545515 [details]
    • Gelorini, V., Verbeken, A., van Geel, B., Cocquyt, C., & Verschuren, D. (2011). Modern non-pollen palynomorphs from East African Lake sediments. Review of Palaeobotany and Palynology, 164, 143-173. https://doi.org/10.1016/j.revpalbo.2010.12.002 [details]
    • Groot, M. H. M., Bogotá, R. G., Lourens, L. J., Hooghiemstra, H., Vriend, M., Berrio, J. C., Tuenter, E., van der Plicht, J., van Geel, B., Ziegler, M., Weber, S. L., Betancourt, A., Contreras, L., Gaviria, S., Giraldo, C., González, N., Jansen, J. H. F., Konert, M., Ortega, D., ... Westerhoff, W. (2011). Ultra-high resolution pollen record from the northern Andes reveals rapid shifts in montane climates within the last two glacial cycles. Climate of the Past, 7, 299-316. https://doi.org/10.5194/cp-7-299-2011 [details]
    • Rijsdijk, K. F., Zinke, J., de Louw, P. G. B., Hume, J. P., van der Plicht, J., Hooghiemstra, H., Meijer, H. J. M., Vonhof, H. B., Porch, N., Florens, V., Baider, C., van Geel, B., Brinkkemper, J., Vernimmen, T., & Janoo, A. (2011). Mid-Holocene (4200 yr BP) mass mortalities in Mauritius (Mascarenes): insular vertebrates resilient to climatic extremes but vulnerable to human impact. Holocene, 21, 1179-1194. https://doi.org/10.1177/0959683611405236 [details]
    • Weijdema, F., Brinkkemper, O., Peeters, H., & van Geel, B. (2011). Early Neolithic human impact on the vegetation in a wetland environment in the Noordoostpolder, central Netherlands. Journal of Archaeology in the Low Countries, 3(1/2), 31-46. http://jalc.nl/cgi/t/text/get-pdfa336.pdf [details]
    • van Geel, B., Fisher, D. C., Rountrey, A. N., van Arkel, J., Duivenvoorden, J. F., Nieman, A. M., van Reenen, G. B. A., Tikhonov, A. N., Buigues, B., & Gravendeel, B. (2011). Palaeo-environmental and dietary analysis of intestinal contents of a mammoth calf (Yamal Peninsula, northwest Siberia). Quaternary Science Reviews, 30(27-28), 3935-3946. https://doi.org/10.1016/j.quascirev.2011.10.009 [details]
    • van Geel, B., Gelorini, V., Lyaruu, A., Aptroot, A., Rucina, S., Marchant, R., Sinninghe Damsté, J. S., & Verschuren, D. (2011). Diversity and ecology of tropical African fungal spores from a 25,000-year palaeoenvironmental record in southeastern Kenya. Review of Palaeobotany and Palynology, 164, 174-190. https://doi.org/10.1016/j.revpalbo.2011.01.002 [details]
    • van Geel, B., Guthrie, R. D., Altmann, J. G., Broekens, P., Bull, I. D., Gill, F. L., Jansen, B., Nieman, A. M., & Gravendeel, B. (2011). Mycological evidence of coprophagy from the feces of an Alaskan Late Glacial mammoth. Quaternary Science Reviews, 30(17-18), 2289-2303. https://doi.org/10.1016/j.quascirev.2010.03.008 [details]

    2010

    2009

    • Marchant, R., Cleef, A., Harrison, S. P., Hooghiemstra, H., Markgraf, V., van Boxel, J., Ager, T., Almeida, L., Anderson, R., Baied, C., Behling, H., Berrio, J. C., Burbridge, R., Björck, S., Byrne, R., Bush, M., Duivenvoorden, J., Flenley, J., de Oliveira, P., ... Wille, M. (2009). Pollen-based biome reconstructions for Latin America at 0, 6000 and 18 000 radiocarbon years ago. Climate of the Past, 5(4), 725-767. https://doi.org/10.5194/cp-5-725-2009 [details]
    • McClymont, E. L., Mauquoy, D. S., Yeloff, D., Broekens, P., van Geel, B., Charman, D. J., Pancost, R. D., Chambers, F. M., & Evershed, R. P. (2009). The disappearance of Sphagnum imbricatum from Butterburn Flow, UK: a reply to comments by Bjorn Robroek et al. Holocene, 19(7), 1094-1097. https://doi.org/10.1177/0959683609345086 [details]
    • Verschuren, D., Sinninghe Damsté, J. S., Moernaut, J., Kristen, I., Blaauw, M., Fagot, M., Haug, H. G., van Geel, B., De Batist, M., Barker, P., Vuille, M., Conley, D. J., Olago, D. O., Milne, I., Plessen, B., Eggermont, H., Wolff, C., Hurrell, E., Ossebaar, J., ... Nowaczyk, N. R. (2009). Half-precessional dynamics of monsoon rainfall near the East African Equator. Nature, 462(7273), 637-641. https://doi.org/10.1038/nature08520 [details]

    2008

    • Beer, J., & van Geel, B. (2008). Holocene climate change and the evidence for solar and other forcings. In R. W. Battarbee, & H. A. Binney (Eds.), Natural climate variability and global warming: A Holocene perspective (pp. 138-162). Blackwell. [details]
    • Heijmans, M. M. P. D., Mauquoy, D., van Geel, B., & Berendse, F. (2008). Long-term effects of climate change on vegetation and carbon dynamics in peat bogs. Journal of Vegetation Science, 19(3), 307-320. https://doi.org/10.3170/2008-8-18368 [details]
    • Mauquoy, D., Yeloff, D., van Geel, B., Charman, D. J., & Blundell, A. (2008). Two decadally resolved records from north-west European peat bogs show rapid climate changes associated with solar variability during the mid-late Holocene. Journal of Quaternary Science, 23(8), 745-763. https://doi.org/10.1002/jqs.1158 [details]
    • McClymont, E. L., Mauquoy, D., Yeloff, D., Broekens, P., van Geel, B., Charman, D. J., Pancost, R. D., Chambers, F. M., & Evershed, R. P. (2008). The disappearance of Sphagnum imbricatum from Butterburn Flow, UK. Holocene, 18(6), 991-1002. https://doi.org/10.1177/0959683608093537 [details]
    • Yeloff, D., Blokker, P., Bartlett, S. A., Mauquoy, D., Rozema, J., & van Geel, B. (2008). Decomposition of Juncus seeds in a valley mire (Faroe Islands) over a 900 year period. Organic Geochemistry, 39(3), 329-341. https://doi.org/10.1016/j.orggeochem.2007.12.005 [details]
    • van Geel, B., Aptroot, A., Baittinger, C., Birks, H. H., Bull, I. D., Cross, H. B., Evershed, R. P., Gravendeel, B., Kompanje, E. J. O., Kuperus, P., Mol, D., Nierop, K. G. J., Pals, J. P., Tikhonov, A. N., van Reenen, G., & van Tienderen, P. (2008). The ecological implications of a Yakutian mammoth’s last meal. Quaternary Research, 69(3), 361-376. https://doi.org/10.1016/j.yqres.2008.02.004 [details]
    • van der Hammen, T., & van Geel, B. (2008). Charcoal in soils of the Allerød-Younger Dryas transition were the result of natural fires and not necessarily the effect of an extra-terrestrial impact. Geologie & Mijnbouw, 87(4), 359-361. https://doi.org/10.1017/S0016774600023416 [details]
    • van der Linden, M., Barke, J., Vickery, E., Charman, D. J., & van Geel, B. (2008). Late Holocene human impact and climate change recorded in a North Swedish peat deposit. Palaeogeography, Palaeoclimatology, Palaeoecology, 258(1-2), 1-27. https://doi.org/10.1016/j.palaeo.2007.11.006 [details]
    • van der Linden, M., Vickery, E., Charman, D. J., & van Geel, B. (2008). Effects of human impact and climate change during the last 350 years recorded in a Swedish raised bog deposit. Palaeogeography, Palaeoclimatology, Palaeoecology, 262(1-2), 1-31. https://doi.org/10.1016/j.palaeo.2008.01.018 [details]
    • van der Linden, M., Vickery, E., Charman, D. J., Broekens, P., & van Geel, B. (2008). Vegetation history and human impact during the last 300 years recorded in a German peat deposit. Review of Palaeobotany and Palynology, 152(3-4), 158-175. https://doi.org/10.1016/j.revpalbo.2008.05.001 [details]

    2023

    • van Geel, B. (2023). Non-pollen palynomorphs for improved understanding of past environmental change. In G. Lang, B. Ammann, K-E. Behre, & W. Tinner (Eds.), Quaternary vegetation dynamics of Europe (pp. 36-37). Haupt. [details]

    2022

    2012

    2010

    • Mauquoy, D., Hughes, P., & van Geel, B. (2010). A protocol for plant macrofossil analysis of peat deposits. Mires and Peat, 7, 1-5. http://www.mires-and-peat.net/map07/map_07_06.pdf [details]
    • Zajceva, G. I., Čugunov, K. V., Parzinger, H., Nagler, A., Dergačev, V. A., Scott, M., Semencov, A. A., Vasiliev, S. S., van Geel, B., van der Plicht, J., & Lebedeva, L. M. (2010). Die Radiokarbondaten. In K. V. Čugunov, H. Parzinger, & A. Nagler (Eds.), Der skythenzeitliche Fürstenkurgan Aržan 2 in Tuva (pp. 169-176). (Archäologie in Eurasien; No. 26). von Zabern. [details]
    • de Jong, R., Blaauw, M., Chambers, F. M., Christensen, T. R., De Vleeschouwer, F., Finsinger, W., Fronzek, S., Johansson, M., Kokfelt, U., Lamentowicz, M., Le Roux, G., Mauquoy, D., Mitchell, E. A. D., Nichols, J. E., Samaritani, E., & van Geel, B. (2010). Climate and peatlands. In J. Dodson (Ed.), Changing climates, earth systems and society (pp. 85-121). (International year of planet earth). Springer. https://doi.org/10.1007/978-90-481-8716-4_5 [details]

    2009

    • Brinkkemper, O., Broekens, P., & van Geel, B. (2009). Archeobotanisch onderzoek. In S. Arnoldussen, A. Müller, & G. V. Mauro (Eds.), Sijbekarspel-Wadway: Een mogelijk nederzettingsterrein uit de Bronstijd en middeleeuwse daliegaten in de ruilverkaveling 'De Gouw' (pp. 36-39-79-82). (Rapportage archeologische monumentenzorg; No. 180). Rijksdienst voor het Cultureel Erfgoed. [details]
    • Marchant, R., Harrison, S. P., Hooghiemstra, H., Markgraf, V., van Boxel, J. H., Ager, T., Almeida, L., Anderson, R., Baied, C., Behling, H., Berrio, J. C., Burbridge, R., Björck, S., Byrne, R., Bush, M. B., Cleef, A. M., Duivenvoorden, J. F., Flenley, J. R., de Oliveira, P., ... Wille, M. (2009). Pollen-based biome reconstructions for Latin America at 0, 6000 and 18 000 radiocarbon years. Climate of the Past Discussions, 5(1), 369-461. https://doi.org/10.5194/cpd-5-369-2009 [details]
    • van Geel, B., Jansma, E., & van der Plicht, H. (2009). Het oerbos van Diemen en de gevolgen van verminderde zonne-activiteit rond 850 voor Chr. In H. Blok, W. Krook, P. van Reenen, & R. Wiggers (Eds.), Diemen in het land van Amstel (pp. 338-350). De Bataafsche Leeuw. [details]
    • van Haperen, A. M. M., Dedert, M., & van Geel, B. (2009). Paleo-ecologische reconstructie van het binnenduinlandschap van de Manteling van Walcheren van 1350 tot 1650 na Chr. In A. M. M. van Haperen (Ed.), Een wereld van verschil: Landschap en plantengroei van de duinen op de Zeeuwse en Zuid-Hollandse Eilanden (pp. 123-130). KNNV Uitgeverij. http://www.knnvuitgeverij.nl/NL/webwinkel/planten/0/2157 [details]
    • van Smeerdijk, D., Pals, J. P., van Geel, B., & van Bennekom, J. (2009). Mens en landschap in middeleeuws Diemen. In H. Blok, W. Krook, P. van Reenen, & R. Wiggers (Eds.), Diemen in het land van Amstel (pp. 351-366). De Bataafsche Leeuw. [details]

    2008

    • van Geel, B. (2008). Forty years of Non-Pollen Palynomorphs: a state of the art. Terra Nostra, 2008(2), 292.

    2016

    • Loeb, R., Geurts, J., Bakker, L., van Leeuwen, R., van Belle, J., van Diggelen, J., Faber, A-H., Kooijman, A., Brinkkemper, O., van Geel, B., Weijs, W., van Dijk, G., Loermans, J., Cussell, C., Rip, W., & Lamers, L. (2016). Verlanding in laagveenpetgaten: Speerpunt voor natuurherstel in laagvenen. KNNV-Uitgeverij. [details]

    2010

    • Cleef, A. M., van Geel, B., & Hooghiemstra, H. (2010). Pionier in paleo-ecologisch onderzoek. In memoriam Professor Thomas van der Mammen. BioNieuws, 6, 10-10.
    • Cohen, K., Firth, A., Flemming, N., Gaffney, V., van Geel, B., Glimmerveen, J., van Heteren, S., van Kolfschoten, T., Larcombe, P., Last, J., Manders, M., Mol, D., Momber, G., Murphy, P., Otte, A., van Noort, R., Peeters, H., Petitt, P., van der Plicht, H., ... Weerts, H. (2010). North Sea Prehistory Research and Management Framework (NSPRMF) 2009. Rijksdienst voor Cultureel Erfgoed.
    • Hooghiemstra, H., Cleef, A. M., & van Geel, B. (2010). Professor Thomas van der Hammen. Geo.brief, 35(3), 12. https://www.kngmg.nl/wp-content/uploads/2016/03/Geobrief-2010-3.pdf [details]

    2008

    • Broekens, P., & van Geel, B. (2008). Hoge Weide: Microfossielen en macroresten uit de opvulling van een crevassegeul uit de Romeinse tijd. BIAXiaal, 12-16. [details]

    2017

    • Goñi, M., Desprat, S., Daniau, A.-L., Van Geel, B. & Van der Hammen, d. T. (2017). CLAM age model and pollen profile of sediment core Fuquene. PANGAEA. https://doi.org/10.1594/PANGAEA.872860
    • Goñi, M., Desprat, S., Daniau, A.-L., Carrión, J. S. & Van Geel, B. (2017). CLAM age model and pollen profile of sediment core Navarres. PANGAEA. https://doi.org/10.1594/PANGAEA.872905
    • Carrión, J. S., Van Geel, G. B., Goñi, M., Desprat, S. & Daniau, A.-L. (2017). CLAM age model and microcharcoal of sediment core Navarres. PANGAEA. https://doi.org/10.1594/PANGAEA.872576
    • Sánchez-Goñi, M. F., Hayashi, R., Daniau, A.-L., Lawson, I. T., Combourieu-Nebout, N., Behling, H., Newnham, R. M., Irino, T., Urrego, D. H., González-Arango, C., Valencia, B. G., Polanco-Martínez, J. M., Lézine, A.-M., Mayle, F. E., Hill, T., Roucoux, K. H., Fletcher, W. J., Rucina, S. M., Whitlock, C. L., … McKenzie, M. (2017). The ACER pollen and charcoal database. PANGAEA. https://doi.org/10.1594/pangaea.870867
    • Langeveld, B. W., Mol, D., Zazula, G. D., Gravendeel, B., Eurlings, M., Groenenberg, D., van Reenen, G., van Geel, B., McMichael, C. N. H., Palmeira, M. & Vogel, J. (2017). Supplementary aDNA sequences from a Pleistocene ground squirrel midden, Yukon. PANGAEA. https://doi.org/10.1594/pangaea.873537
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