Items where Author is "Geibert, Walter"

Wei, B, Mollenhauer, G, Kusch, S, Hefter, J, Grotheer, H, Schefuß, E, Geibert, W, Ransby, D and Jia, G (2023) Anthropogenic perturbations change the quality and quantity of terrestrial carbon flux to the coastal ocean. Journal of Geophysical Research: Biogeosciences, 128(10). doi:10.1029/2023JG007482

Wollenburg, JE, Matthiessen, J, Vogt, C, Nehrke, G, Grotheer, H, Wilhelms-Dick, D, Geibert, W and Mollenhauer, G (2023) Omnipresent authigenic calcite distorts Arctic radiocarbon chronology. Communications Earth & Environment, 4(1). doi:10.1038/s43247-023-00802-9

Volz, JB, Geibert, W, Köhler, D, van der Loeff, MMR and Kasten, S (2023) Alpha radiation from polymetallic nodules and potential health risks from deep-sea mining. Scientific Reports, 13(1). doi:10.1038/s41598-023-33971-w

Ruben, M, Hefter, J, Schubotz, F, Geibert, W, Butzin, M, Gentz, T, Grotheer, H, Forwick, M, Szczuciński, W and Mollenhauer, G (2023) Fossil organic carbon utilization in marine Arctic fjord sediments by subsurface micro-organisms. Nature Geoscience, 16(7). 625-630. doi:10.1038/s41561-023-01198-z

Geibert, W, Matthiessen, J, Wollenburg, JE and Stein, R (2022) Reply to: No freshwater-filled glacial Arctic Ocean. Nature, 602(7895). E4-E6. doi:10.1038/s41586-021-04090-1

Vorrath, ME, Müller, J, Rebolledo, L, Cárdenas, P, Shi, X, Esper, O, Opel, T, Geibert, W, Muñoz, P, Haas, C, Kuhn, G, Lange, CB, Lohmann, G and Mollenhauer, G (2020) Sea ice dynamics in the Bransfield Strait, Antarctic Peninsula, during the past 240 years: a multi-proxy intercomparison study. Climate of the Past, 16(6). 2459-2483. doi:10.5194/cp-16-2459-2020

Volz, JB, Mogollón, JM, Geibert, W, Arbizu, PM, Koschinsky, A and Kasten, S (2018) Natural spatial variability of depositional conditions, biogeochemical processes and element fluxes in sediments of the eastern Clarion-Clipperton Zone, Pacific Ocean. Deep Sea Research Part I: Oceanographic Research Papers, 140. 159-172. doi:10.1016/j.dsr.2018.08.006

Pittauer, D, Roos, P, Qiao, J, Geibert, W, Elvert, M and Fischer, HW (2018) Pacific Proving Grounds radioisotope imprint in the Philippine Sea sediments. Journal of Environmental Radioactivity, 186. 131-141. doi:10.1016/j.jenvrad.2017.06.021

Jaeschke, A, Wengler, M, Hefter, J, Ronge, TA, Geibert, W, Mollenhauer, G, Gersonde, R and Lamy, F (2017) A biomarker perspective on dust, productivity, and sea surface temperature in the Pacific sector of the Southern Ocean. Geochimica et Cosmochimica Acta, 204. 120-139. doi:10.1016/j.gca.2017.01.045

Hathorne, EC, Gagnon, A, Felis, T, Adkins, J, Asami, R, Boer, W, Caillon, N, Case, D, Cobb, KM, Douville, E, deMenocal, P, Eisenhauer, A, Garbe-Schönberg, D, Geibert, W, Goldstein, S, Hughen, K, Inoue, M, Kawahata, H, Kölling, M, Cornec, FL, Linsley, BK, McGregor, HV, Montagna, P, Nurhati, IS, Quinn, TM, Raddatz, J, Rebaubier, H, Robinson, L, Sadekov, A, Sherrell, R, Sinclair, D, Tudhope, AW, Wei, G, Wong, H, Wu, HC and You, CF (2013) Interlaboratory study for coral Sr/Ca and other element/Ca ratio measurements. Geochemistry, Geophysics, Geosystems, 14(9). 3730-3750. doi:10.1002/ggge.20230

Kretschmer, S, Geibert, W, Rutgers van der Loeff, MM, Schnabel, C, Xu, S and Mollenhauer, G (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). 6971-6987. doi:10.1016/j.gca.2011.09.012

Lechtenfeld, OJ, Koch, BP, Geibert, W, Ludwichowski, KU and Kattner, G (2011) Inorganics in Organics: Quantification of Organic Phosphorus and Sulfur and Trace Element Speciation in Natural Organic Matter Using HPLC-ICPMS. Analytical Chemistry, 83(23). 8968-8974. doi:10.1021/ac201765a

Kretschmer, S, Geibert, W, Rutgers van der Loeff, MM and Mollenhauer, G (2010) Grain size effects on Th-230 (xs) inventories in opal-rich and carbonate-rich marine sediments. Earth and Planetary Science Letters, 294(1-2). 131-142. doi:10.1016/j.epsl.2010.03.021

Martinez-Garcia, A, Rosell-Melé, A, Geibert, W, 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 My. Paleoceanography, 24. PA1207. doi:10.1029/2008PA001657

Rutgers van der Loeff, MM, Friedrich, J, Geibert, W, Hanfland, C, Höltzen, H, Vöge, I and Walter, HJ (2003) Radionuclides as Tracers for Particle Flux and Transport of Water Masses in the Atlantic Sector of the Southern Ocean. In: Wefer, G, Mulitza, S and Ratmeyer, V (eds.) The South Atlantic in the Late Quaternary: Reconstruction of Material Budgets and Current Systems. Springer, Berlin, Heidelberg, New York, 47-63.