Items where Author is "Geibert, W."

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Conference -Talk
Gardner, J. , Assmy, P. , Fong, A. , Niehoff, B. ORCID: https://orcid.org/0000-0002-7483-9373, Waite, A. , Nöthig, E. M. ORCID: https://orcid.org/0000-0002-7527-7827, Hoppe, C. ORCID: https://orcid.org/0000-0002-2509-0546, Engel, A. , Rogge, A. ORCID: https://orcid.org/0000-0002-4036-4082, Chen, J. , Ren, J. , Jin, H. , Zhuang, J. , Lan, M. , Jianfeng, H. , Flores, H. ORCID: https://orcid.org/0000-0003-1617-5449, Havermans, C. ORCID: https://orcid.org/0000-0002-1126-4074, Wollenburg, J. ORCID: https://orcid.org/0000-0002-8169-8310, Olsen, L. , Iversen, M. ORCID: https://orcid.org/0000-0002-5287-1110, Müller, O. , Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Reigstad, M. and Gradinger, R. (2022)
Particle dynamics and vertical fluxesin in the central Arctic Ocean during the MOSAiC expedition ,
International MOSAiC Science Conference, Potsdam, Germany, 25 April 2022 - 29 April 2022 .
hdl:10013/epic.27fc1253-461d-46ae-bfb4-5c5f7e7fd958

Article
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Matthießen, J. ORCID: https://orcid.org/0000-0002-6952-2494, Wollenburg, J. ORCID: https://orcid.org/0000-0002-8169-8310 and Stein, R. ORCID: https://orcid.org/0000-0002-4453-9564 (2022)
Reply to ‘Challenging the hypothesis of an arctic ocean lake during recent glacial episodes’ by Hillaire‐Marcel, et al ,
Journal of Quaternary Science, 1-4 .
doi:10.1002/jqs.3431 , hdl:10013/epic.947dd612-176f-44ac-8c29-040f6e5fa1a5
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Article
Arriola-Velásquez, A. , Tejera, A. , Guerra, J. , Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Stimac, I. ORCID: https://orcid.org/0000-0001-6053-2330, Cámara, F. , Alonso, H. , Rubiano, J. and Martel, P. (2021)
226Ra, 228Ra and 40K as tracers of erosion and accumulation processes: A 3-year study on a beach with different sediment dynamics ,
CATENA, 207 , p. 105705 .
doi:10.1016/j.catena.2021.105705 , hdl:10013/epic.fc7154ab-ae66-42e2-b49a-3076a7265e5e
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Article
Valk, O. ORCID: https://orcid.org/0000-0003-1406-0701, Rutgers van der Loeff, M. M. ORCID: https://orcid.org/0000-0003-1393-3742, Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Gdaniec, S. , Moran, S. B. , Lepore, K. , Edwards, R. L. , Lu, Y. , Puigcorbé, V. , Casacuberta, N. , Paffrath, R. , Smethie, W. and Roy-Barman, M. (2020)
Decrease ²³⁰Th in the Amundsen Basin since 2007: far-field effect of increased scavenging on the shelf? ,
Ocean Science, 16 (1), pp. 221-234 .
doi:10.5194/os-16-221-2020 , hdl:10013/epic.ef896cba-65a5-4be9-86ca-0bfe1456659d

Article
Dumont, M. , Pichevin, L. , Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Crosta, X. , Michel, E. , Moreton, S. , Dobby, K. and Ganeshram, R. (2020)
The nature of deep overturning and reconfigurations of the silicon cycle across the last deglaciation ,
Nature Communications, 11 (1) .
doi:10.1038/s41467-020-15101-6 , hdl:10013/epic.94c53ea8-4d00-4e92-aff5-2a3a600d4370
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Article
Pichevin, L. E. , Ganeshram, R. S. , Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Thunell, R. and Hinton, R. (2014)
Silica burial enhanced by iron limitation in oceanic upwelling margins ,
Nature Geoscience, 7 (7), pp. 541-546 .
doi:10.1038/ngeo2181 , hdl:10013/epic.45811
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Article
Kretschmer, S. , Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742, Schnabel, C. , Xu, S. and Mollenhauer, G. ORCID: https://orcid.org/0000-0001-5138-564X (2011)
Fractionation of 230Th, 231Pa, and 10Be induced by particle size and composition within an opal-rich sediment of the Atlantic Southern Ocean ,
Geochimica et Cosmochimica Acta, 75 (22), pp. 6971-6987 .
doi:10.1016/j.gca.2011.09.012 , hdl:10013/epic.39127
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Article
Schmidt, C. , Hanfland, C. , Regnier, P. , van Cappellen, P. , Schlüter, M. ORCID: https://orcid.org/0000-0002-4997-3802, Knauthe, U. , Stimac, I. ORCID: https://orcid.org/0000-0001-6053-2330 and Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334 (2011)
228Ra, 226Ra, 224Ra and 223Ra in potential sources and sinks of land-derived material in the German Bight of the North Sea: implications for the use of radium as a tracer ,
Geo Marine Letters .
doi:10.1007/s00367-011-0231-5 , hdl:10013/epic.36927

Conference -Talk
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Hsieh, A. , Hanfland, C. , Verdeny, E. , Masqué, P. and Henderson, G. (2011)
Actinium-227 in the Atlantic Sector of the Southern Ocean: New results from Bonus-Goodhope and UK Geotraces ,
Goldschmidt Conference, August 14-19, 2011, Prague, Czech Republic. .
hdl:10013/epic.37504

Article
Lechtenfeld, O. J. , Koch, B. P. ORCID: https://orcid.org/0000-0002-8453-731X, Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Ludwichowski, K. U. and Kattner, G. (2011)
Inorganics in organics: quantification of organic phosphorus and sulfur and trace element speciation in natural organic matter using HPLC-ICP-MS ,
Analytical Chemistry, 83 , pp. 8968-8974 .
doi:10.1021/ac201765a , hdl:10013/epic.38662

Article
Kretschmer, S. , Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742 and Mollenhauer, G. ORCID: https://orcid.org/0000-0001-5138-564X (2010)
Grain size effects on 230Thxs inventories in opal-rich and carbonate-rich marine sediments ,
Earth and Planetary Science Letters. .
doi:10.1016/j.epsl.2010.03.021 , hdl:10013/epic.35388

Article
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Assmy, P. , Bakker, D. C. E. , Hanfland, C. , Hoppema, M. ORCID: https://orcid.org/0000-0002-2326-619X, Pichevin, L. E. , Schröder, M. , Schwarz, J. N. , Stimac, I. ORCID: https://orcid.org/0000-0001-6053-2330, Usbeck, R. and Webb, A. (2010)
High primary productivity in an ice melting hot spot at the eastern boundary of the Weddell Gyre ,
Global Biogeochemical Cycles, 24, GB3007. .
doi:10.1029/2009GB003657 , hdl:10013/epic.35579
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Conference -Poster
Kretschmer, S. , Kusch, S. , Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742 and Mollenhauer, G. ORCID: https://orcid.org/0000-0001-5138-564X (2009)
Distribution of 230Thxs and 231Paxs in sediment particle classes of opal-rich and carbonate-rich sediments ,
European Geoscience Union, General Assembly 2009. .
hdl:10013/epic.32543
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Article
Martinez-Garcia, A. , Rosell-Melé, A. , Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Gersonde, R. , Masqué, P. , Gaspari, V. and Barbante, C. (2009)
Links between iron supply, marine productivity, sea surface temperature and CO2 over the last 1.1 Ma ,
Paleoceanography 24, PA1207 .
doi:10.1029/2008PA001657 , hdl:10013/epic.31919
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Conference -Talk
Hanfland, C. , Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Masque, P. and Verdeny, E. (2009)
Soluble radionuclides as tracers for circulation and mixing in the Southern Ocean ,
IPY BONUS-Goodhope first post-cruise meeting, January 23-24, 2009, Villefranche-sur-Mer, France. .
hdl:10013/epic.32014

Conference -Talk
Bakker, D. C. E. , Hoppema, M. ORCID: https://orcid.org/0000-0002-2326-619X, Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Schröder, M. and De Baar, H. J. W. (2009)
A rapid transition from ice covered CO2-rich waters to a biologically mediated CO2 sink in the eastern Weddell Gyre ,
8th International Carbon Dioxide Conference, 13-19 September 2009, Jena, Germany. .
hdl:10013/epic.33237

Article
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334 and Vöge, I. ORCID: https://orcid.org/0000-0001-6053-2330 (2008)
Progress in the Determination of 227Ac in Sea Water ,
Marine Chemistry, 109 (3-4), pp. 238-249 .
doi:10.1016/j.marchem.2007.07.012 , hdl:10013/epic.39142

Article
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Charette, M. , Moore, W. S. , Guebuem, K. , Street, J. , Young, M. and Paytan, A. (2008)
The release of dissolved actinium to the ocean: a global comparison of different end-members ,
Marine Chemistry., 109 (3-4), pp. 409-420 .
doi:10.1016/j.marchem.2007.07.005 , hdl:10013/epic.39143

Conference -Talk
Kretschmer, S. , Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Schnabel, C. , Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742 and Mollenhauer, G. ORCID: https://orcid.org/0000-0001-5138-564X (2008)
Distribution of 230Th, 10Be and 231Pa in sediment particle classes ,
18. Annual V.M. Goldschmidt Conference, July 13th-18th 2008, Vancouver, Canada. .
hdl:10013/epic.30921
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Inbook
Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742 and Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334 (2008)
U- and Th-Series Nuclides as Tracers of Particle Dynamics, Scavenging and Biogeochemical Cycles in the Oceans ,
In: RADIOACTIVITY IN THE ENVIRONMENT ; 13, U-Th series radionuclides in aquatic systems, eds. S. Krishnaswami and J. K. Cochran, Elsevier., Amsterdam, Elsevier, 42 p., ISBN: 978-0-08-045012-4 .
doi:10.1016/S1569-4860(07)00007-1 , hdl:10013/epic.32389

Conference -Invited talk
Bakker, D. C. E. , Hoppema, M. ORCID: https://orcid.org/0000-0002-2326-619X, Schröder, M. , Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334 and De Baar, H. J. W. (2008)
A rapid Transition from ice covered CO2rich waters to a biologically mediated CO2 Sink in the eastern Weddell Gyre ,
EGU General Assembly, WienApril 2008. .
hdl:10013/epic.30380

Conference -Talk
Bakker, D. C. E. , Hoppema, M. ORCID: https://orcid.org/0000-0002-2326-619X, Schröder, M. , Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334 and Baar, H. J. W. (2008)
A rapid transition from ice covered CO2-rich waters to a biologically mediated CO2 Sink in the eastern Weddell Gyre ,
13th Biennial Challenger Conference for Marine Science, Bangor UniversitySeptember 2008. .
hdl:10013/epic.31020

Article
Bakker, D. C. E. , Hoppema, M. ORCID: https://orcid.org/0000-0002-2326-619X, Schröder, M. , Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334 and De Baar, H. J. W. (2008)
A rapid transition from ice covered CO2-rich waters to a biologically mediated CO2 sink in the eastern Weddell Gyre ,
Biogeosciences Discussions, 51235., 1205 .
hdl:10013/epic.34108

Article
Bakker, D. C. E. , Hoppema, M. ORCID: https://orcid.org/0000-0002-2326-619X, Schröder, M. , Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334 and De Baar, H. J. W. (2008)
A rapid transition from ice covered CO2rich waters to a biologically mediated CO2 sink in the eastern Weddell Gyre ,
Biogeosciences, 5 , pp. 1373-1386 .
hdl:10013/epic.31200
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Conference -Poster
Kretschmer, S. , Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742 and Mollenhauer, G. ORCID: https://orcid.org/0000-0001-5138-564X (2007)
230Thxs budgets in size-fractionated calcareous near-surface sediments from Walvis Ridge ,
International Conference and 97th Annual Meeting of the Geologische Vereinigung e.V. (GV) The Oceans in the Earth System. Bremen, Germany October 1-5 .
hdl:10013/epic.30923
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Inbook
Hanfland, C. , Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Vöge, I. ORCID: https://orcid.org/0000-0001-6053-2330 and Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742 (2007)
Atom-Uhren im Südlichen Ozean ,
Polarstern : 25 Jahre Forschung in Arktis und Antarktis / Dieter K. Fütterer; Eberhard Fahrbach. Bielefeld : Delius Klasing .
hdl:10013/epic.28662

Article
Francois, R. , Frank, M. , Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742, Bacon, M. P. , Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Kienast, S. , Anderson, R. F. , Bradtmiller, L. , Chase, Z. , Henderson, G. , Marcantonio, F. and Allen, S. E. (2007)
Comment on Do geochemical estimates of sediment focusing pass the sediment test in the equatorial Pacific? by Lyle et al. ,
Paleoceanography, 22, PA1216 .
doi:10.1029/2005PA001235 , hdl:10013/epic.25698

Conference -Poster
Bakker, D. C. E. , Hoppema, M. ORCID: https://orcid.org/0000-0002-2326-619X, Schröder, M. , Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334 and Baar, H. J. W. d. (2007)
Rapid transition from ice covered CO2-rich waters to a biologically mediated sink in the eastern Weddell Gyre ,
IP CarboOcean annual meeting, 4-7 December 2007, Bremen, Germany. .
hdl:10013/epic.28605

Conference -Poster
Hoppema, M. ORCID: https://orcid.org/0000-0002-2326-619X, Bakker, D. C. E. and Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334 (2007)
Strong fCO2 undersaturation after ice melt in the eastern Weddell Gyre ,
Surface Ocean CO2 Variability and Vulnerabilities workshop, 11-14 April 2007, Paris, France. .
hdl:10013/epic.26528

Conference -Talk
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334 (2006)
227Ac in the marine environment ,
Overview Lecture, 1st workshop on measurements of short-lived Radium isotopes using the RaDeCC delayed coincidence system, Marine Environment Laboratory of the IAEA, 2-6 Oct, Monaco. .
hdl:10013/epic.32593

Conference -Conference paper
Hanfland, C. , Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334 and Vöge, I. (2006)
Tracing marine processes in the Southern Ocean by means of naturally occurring radionuclides ,
Antarctica : contributions to global earth sciences ; proceedings of the IX International Symposium of Antarctic Earth Sciences PotsdamHrsg. Dieter Fütterer; Detlef Damaske; Georg Kleinschmidt ... Berlin [u.a.] : Springer .
hdl:10013/epic.31980
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Conference -Invited talk
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334 and Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742 (2006)
The flux of particles to the seafloor- clues from Thorium isotopes ,
Invited lecture, colloquium at the Institut de Ciència i Tecnologia Ambientals, Universitat Autònoma de Barcelona, 7 Nov., Bellaterra, Spain. .
hdl:10013/epic.32594

Conference -Poster
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742, Usbeck, R. , Gersonde, R. , Kuhn, G. ORCID: https://orcid.org/0000-0001-6069-7485 and Seeberg-Elverfeldt, J. (2005)
Biogenic silica accumulation rates in surface sediments of the Southern Ocean corrected for sediment redistribution ,
EGU General Assembly, 25-29 Apr., Vienna, Austria. .
hdl:10013/epic.23214

Conference -Invited talk
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334 (2005)
Die Anwendung natürlicher Radionuklide zur Bestimmung von Stoffflüssen im marinen Milieu ,
Vortrag im Rahmen des ICBM-Kolloquiums, Oldenburg.5.2005. .
hdl:10013/epic.23152

Article
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742, Usbeck, R. , Gersonde, R. , Kuhn, G. ORCID: https://orcid.org/0000-0001-6069-7485 and Seeberg-Elverfeldt, J. (2005)
Quantifying the opal belt in the Atlantic and southeast Pacific sector of the Southern Ocean by means of 230Th normalization ,
Global biogeochemical cycles, 19, GB4001 .
doi:10.1029/2005GB002465 , hdl:10013/epic.22294

Conference -Conference paper
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742, Usbeck, R. , Gersonde, R. , Kuhn, G. ORCID: https://orcid.org/0000-0001-6069-7485 and Seeberg-Elverfeldt, J. (2005)
Silica accumulation rates in surface sediments of the Southern Ocean corrected for sediment redistribution ,
presentation at EGU Wien.-29. April 2005. .
hdl:10013/epic.22310
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Conference -Poster
Hanfland, C. , Friedrich, J. , Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334 and Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742 (2005)
Ziele und Vorbereitungen des deutschen Beitrags zum internationalen GEOTRACES Programm ,
22. Int. Polartagung, 18.-24.9.2005, Jena, Deutschland. .
hdl:10013/epic.22910

Article
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334 (2004)
Book review: Sedimentary processes - quantification using radionuclides by J. Carroll and I. Lerche ,
Isotopes in environmental and health studies. .
hdl:10013/epic.21110
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Conference -Talk
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Usbeck, R. , Webb, A. , Hanfland, C. , Schwarz, J. N. and Ansorge, I. (2004)
The Eastern Weddell Gyre- an overlooked high productivity region ,
Talk at the Open Science Conference of the XXVIII SCAR Meeting, 25-31 July 2004, Bremen, Germany (Terra Nostra Abstract Volume of XXVIII SCAR Meeting). .
hdl:10013/epic.21476

Conference -Talk
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Hanfland, C. , Schwarz, J. N. , Usbeck, R. , Webb, A. and Ansorge, I. (2004)
Ocean circulation and bioproductivity in the Weddell Gyre: geochemical findings ,
Talk at the 13th annual V.M. Goldschmidt Conference, Copenhagen, Denmark, June 5-11 .
hdl:10013/epic.21111

Conference -Conference paper
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Hanfland, C. , Schwarz, J. N. , Usbeck, R. , Webb, A. and Ansorge, I. (2004)
Ocean circulation and bioproductivity in the Weddell Gyre: geochemical findings ,
Geochimica et cosmochimica acta, 68(11S), A331 .
hdl:10013/epic.21112

Inbook
Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742, Friedrich, J. , Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Hanfland, C. , Höltzen, H. , Vöge, I. ORCID: https://orcid.org/0000-0001-6053-2330 and Walter, H. J. (2004)
Radionuclides as tracers for particle flux and transport of water masses in the Atlantic sector of the Southern Ocean ,
The South Atlantic in the Late Quaternary - Reconstruction of Material Budget and Current systems. Wefer, G., Ratmeyer, V. and Meinecke, G. (Eds.), Springer-Verlag : Berlin, Heidelberg, New York, Tokyo:, ISBN: 3-540-21028-8 .
hdl:10013/epic.15232

Article
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334 and Usbeck, R. (2004)
The adsorption of Thorium and Protactinium onto different particle types: Experimental Findings ,
Geochimica et cosmochimica acta, 68 (7), pp. 1489-1501 .
doi:10.1016/j.gca.2003.10.011 , hdl:10013/epic.16072

Conference -Talk
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Usbeck, R. and Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742 (2003)
Actinium-227 as a tracer for diapycnal mixing and deep upwelling ,
Keynote Lecture, 13th Annual Goldschmidt Conference, Kurashiki, Japan, Sept. 7-12 .
hdl:10013/epic.19618
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Conference -Conference paper
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Usbeck, R. and Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742 (2003)
Actinium-227 as a tracer for diapycnal mixing and deep upwelling ,
Geochimica et cosmochimica acta, 67(18,S1), A118 .
hdl:10013/epic.19848

Conference -Talk
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Usbeck, R. , Schwarz, J. N. , Hanfland, C. , Webb, A. and Ansorge, I. (2003)
Chlorophyll and other indicators of productivity in the Eastern Weddell Gyre between 0°E and 23°E-Preliminary results of Polarstern Expedition ANT XX/2, Synpart project ,
EGU-AGU-EGS Joint Assembly, Nice, FranceApril. .
hdl:10013/epic.19172

Conference -Talk
Hanfland, C. and Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334 (2003)
Natural radioactive tracers between Africa and Antarctica: preliminary results from POLARSTERN expedition ANT XX/2 ,
9th International Symposium on Antarctic Earth Sciences, 7.-12.9.2003, Potsdam, Germany. .
hdl:10013/epic.19778

Conference -Talk
Gersonde, R. , Cortese, G. , Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334 and Kuhn, G. ORCID: https://orcid.org/0000-0001-6069-7485 (2003)
Plio-Pleistocene biogenic opal deposition and its relation to global climate evolution ,
Chapman Conference On the role of diatom production and Si flux and burial in the regulation of global cycles, 22-26 Sept., Paroikia, Paros, Greece. .
hdl:10013/epic.19813

Conference -Poster
Hanfland, C. , Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Vöge, I. , Niemann, S. and Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742 (2003)
The application of natural radionuclides in marine issues in the Southern Ocean ,
9th International Symposium on Antarctic Earth Sciences, 7.-12.9.2003, Potsdam, Germany. .
hdl:10013/epic.19779

Article
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334 (2002)
Actinium-227 als Tracer für Advektion und Mischung in der Tiefsee ,
Mitteilungen der Deutschen Gesellschaft für Meeresforschung 1/2002, pp. 3-5 .
hdl:10013/epic.16168
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Article
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742, Hanfland, C. and Dauelsberg, H. J. (2002)
Actinium-227 as a Deep-Sea Tracer: Sources, Distribution and Applications ,
Earth and planetary science letters, 198 (1), pp. 147-165 .
doi:10.1016/S0012-821X(02)00512-5 , hdl:10013/epic.15108

Conference -Poster
Hanfland, C. , Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742 and Vöge, I. (2002)
Die Anwendung natürlicher Radionuklide auf marine Fragestellungen in den Polargebieten ,
Schriftenreihe der Deutschen Geologischen Gesellschaft .
hdl:10013/epic.18302

Conference -Poster
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334 and Usbeck, R. (2002)
The adsorption of Th and Pa on different particle types in dependence of the provenance of natural seawater ,
Poster, 12th Annual Goldschmidt Conference, Davos, Switzerland, August 18-23 .
hdl:10013/epic.19846

Conference -Conference paper
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334 and Usbeck, R. (2002)
The adsorption of Th and Pa on different particle types in dependence of the provenance of natural seawater ,
Geochimica et cosmochimica acta, 66, 15A, A269. .
hdl:10013/epic.19847

Thesis -PhD
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334 (2001)
Actinium-227 als Tracer für Advektion und Mischung in der Tiefsee ,
PhD thesis, Universität Bremen.
hdl:10013/epic.17847

"Berichte zur Polar- und Meeresforschung" PhD
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334 (2001)
Actinium-227 als Tracer für Advektion und Mischung in der Tiefsee = Actinium-227 as a tracer for advection and mixing in the deep-sea ,
Berichte zur Polar- und Meeresforschung (Reports on Polar and Marine Research), Bremerhaven, Alfred Wegener Institute for Polar and Marine Research, 385 , 112 p. .
doi:10.2312/BzPM_0385_2001 , hdl:10013/epic.10389
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Conference -Talk
Hanfland, C. , Walter, H. J. , Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742 and Hegner, E. (2001)
Erfassung möglicher Eintragswege für Eisen in die produktiven Regionen des Südatlantiks mittels verschiedener geochemischer Tracer ,
20. Internationale Polartagung, 26.-30.3.2001, Dresden. .
hdl:10013/epic.18303

Article
Walter, H. J. , Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742, Fischer, G. and Bathmann, U. (2001)
Shallow vs deep-water scavenging of 231Pa and 230Th in radionuclide enriched waters of the Atlantic sector of the Southern Ocean ,
Deep-Sea Research I, 48 (2), pp. 471-493 .
doi:10.1016/S0967-0637(00)00046-7 , hdl:10013/epic.13838

Conference -Poster
Hanfland, C. , Walter, H. J. , Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334 and Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742 (2000)
228-Ra: a natural tracer for shelfwater input as a possible transport path of iron into the Southern Ocean ,
Southern Ocean-JGOFS Symposium, 8.-12.7.2000, Brest. .
hdl:10013/epic.18305

Conference -Poster
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Usbeck, R. and Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742 (2000)
Is the "Deep Upwelling" south of the Antarctic Polar Front fast enough to limit vertical particle fluxes? Vertical water velocities estimated from the distribution of Actinium-227. ,
EOS (suppl.) .
hdl:10013/epic.18399

Conference -Talk
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334 and Hanfland, C. (2000)
Natürliche Radioaktivität im Meerwasser - Der lange Weg von der Wasserprobe bis zum wissenschaftlichen Ergebnis ,
Öffentlicher Abendvortrag innerhalb der Reihe "Das AWI stellt sich vor".10.2000. .
hdl:10013/epic.18378

Conference -Poster
Walter, H. J. , Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Jeandel, C. , Hanfland, C. and Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742 (2000)
Source regions and transport paths of iron into South Atlantic surface waters: Significance of aeolian input? ,
EOS, Transactions AGU .
hdl:10013/epic.18309

Conference -Talk
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Walter, H. J. and Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742 (1999)
Möglichkeiten und Grenzen der 230Th-Normierung zur Rekonstruktion von Paläoflüssen im Atlantischen Sektor des Südozeans ,
Terra Nostra .
hdl:10013/epic.18401

Conference -Conference paper
Geibert, W. ORCID: https://orcid.org/0000-0001-8646-2334, Walter, H. J. , Hanfland, C. and Rutgers v. d. Loeff, M. ORCID: https://orcid.org/0000-0003-1393-3742 (1998)
Surface concentrations of 228Th, 230Th and 231Pa in the Atlantic Sector of the Southern Ocean-the effects on paleoenvironmental applications ,
Mineralogical magazineA .
hdl:10013/epic.18400

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