Items where Author is "Schneider, Ralph R"

Dorschel, B, Jensen, L, Arndt, JE, Brummer, GJ, de Haas, H, Fielies, A, Franke, D, Jokat, W, Krocker, R, Kroon, D, Pätzold, J, Schneider, RR, Spieß, V, Stollhofen, H, Uenzelmann-Neben, G, Watkeys, M and Wiles, E (2018) The southwest Indian Ocean Bathymetric Compilation (swIOBC). Geochemistry, Geophysics, Geosystems. doi:10.1002/2017GC007274

Schefuß, E, Eglinton, TI, Spencer-Jones, CL, Rullkötter, J, de Pol-Holz, R, Talbot, HM, Grootes, PM and Schneider, RR (2016) Hydrologic control of carbon cycling and aged carbon discharge in the Congo River basin. Nature Geoscience, 9(9). 687-690. doi:10.1038/ngeo2778

Savoye, B, Ridderinkhof, H, Pätzold, J and Schneider, RR (2013) Western Indian Ocean climate and sedimentation - Cruise No. M75 - December 29, 2007 - April 08 - Port Louis (Mauritius) - Cape Town (South Africa). METEOR-Berichte. Deutsche Forschungsgemeinschaft, Bonn. doi:10.2312/cr_m75

Kasten, S, Nöthen, K, Hensen, C, Spieß, V, Blumenberg, M and Schneider, RR (2012) Gas hydrate decomposition recorded by authigenic barite at pockmark sites of the northern Congo Fan. Geo-Marine Letters, 32. 515-524. doi:10.1007/s00367-012-0288-9

Preu, B, Spieß, V, Schwenk, T and Schneider, RR (2011) Evidence for current-controlled sedimentation along the southern Mozambique continental margin since Early Miocene times. Geo-Marine Letters, 31(5-6). 427-435. doi:10.1007/s00367-011-0238-y

Leduc, G, Schneider, RR, Kim, JH and Lohmann, G (2010) Holocene and Eemian Sea surface temperature trends as revealed by alkenone and Mg/Ca paleothermometry. Quaternary Science Reviews, 29(7-8). 989-1004. doi:10.1016/j.quascirev.2010.01.004

Compton, JS, Herbert, CT, Hoffman, MT, Schneider, RR and Stuut, JB (2010) A tenfold increase in the Orange River mean Holocene mud flux: implications for soil erosion in South Africa. The Holocene, 20(1). 115-122. doi:10.1177/0959683609348860

MARGO Project Members, Waelbroeck, C, Paul, A, Kucera, M, Rosell-Melé, A, Weinelt, M, Schneider, RR, Mix, AC, Abelmann, A, Armand, LK, Bard, E, Barker, S, Barrows, TT, Benway, HM, Cacho Lascorz, I, Chen, MT, Cortijo, E, Crosta, X, de Vernal, A, Dokken, T, Duprat, J, Elderfield, H, Eynaud, F, Gersonde, R, Hayes, A, Henry, M, Hillaire-Marcel, C, Huang, CC, Jansen, E, Juggins, S, Kallel, N, Kiefer, T, Kienast, M, Labeyrie, LD, Leclaire, H, Londeix, L, Mangin, S, Matthiessen, J, Marret, F, Meland, MY, Morey, AE, Mulitza, S, Pflaumann, U, Pisias, NG, Radi, T, Rochon, A, Rohling, EJ, Sbaffi, L, Schäfer-Neth, C, Solignac, S, Spero, H, Tachikawa, K and Turon, JL (2009) Constraints on the magnitude and patterns of ocean cooling at the Last Glacial Maximum. Nature Geoscience, 2(2). 127-132. doi:10.1038/ngeo411

Weijers, JWH, Schouten, S, Schefuß, E, Schneider, RR and Sinninghe Damsté, JS (2009) Disentangling marine, soil and plant organic carbon contributions to continental margin sediments: A multi-proxy approach in a 20,000 year sediment record from the Congo deep-sea fan. Geochimica et Cosmochimica Acta, 73(1). 119-132. doi:10.1016/j.gca.2008.10.016

Alt-Epping, U, Stuut, JB, Hebbeln, D and Schneider, RR (2009) Variations in sediment provenance during the past 3000 years off the Tagus River, Portugal. Marine Geology, 261(1-4). 82-91. doi:10.1016/j.margeo.2008.11.008

Otto-Bliesner, BL, Schneider, RR, Brady, EC, Kucera, M, Abe-Ouchi, A, Bard, E, Braconnot, P, Crucifix, M, Hewitt, CD, Kageyama, M, Marti, O, Paul, A, Rosell-Melé, A, Waelbroeck, C, Weber, SL, Weinelt, M and Yu, Y (2009) A comparison of PMIP2 model simulations and the MARGO proxy reconstruction for tropical sea surface temperatures at last glacial maximum. Climate Dynamics, 32. 799-815. doi:10.1007/s00382-008-0509-0

Sahling, H, Bohrmann, G, Spieß, V, Bialas, J, Breitzke, M, Ivanov, M, Kasten, S, Krastel, S and Schneider, RR (2008) Pockmarks in the northern Congo Fan area, SW Africa: Complex seafloor features shaped by fluid flow. Marine Geology, 249(3-4). 206-225. doi:10.1016/j.margeo.2007.11.010

Kim, JH, Meggers, H, Rimbu, N, Lohmann, G, Freudenthal, T, Müller, PJ and Schneider, RR (2007) Impacts of the North Atlantic gyre circulation on Holocene climate off northwest Africa. Geology, 35(5). 387-390. doi:10.1130/G23251A.1

Alt-Epping, U, Mil-Homens, M, Hebbeln, D, Abrantes, FF and Schneider, RR (2007) Provenance of organic matter and nutrient conditions on a river- and upwelling influenced shelf: A case study from the Portuguese Margin. Marine Geology, 243(1-4). 169-179. doi:10.1016/j.margeo.2007.04.016

Weldeab, S, Schneider, RR and Kölling, M (2006) Comparison of foraminiferal cleaning procedures for Mg/Ca paleothermometry on core material deposited under varying terrigenous-input and bottom water conditions. Geochemistry Geophysics Geosystems, 7. Q04P12. doi:10.1029/2005GC000990

Weldeab, S, Schneider, RR and Kölling, M (2006) Deglacial sea surface temperature and salinity increase in the western tropical Atlantic in synchrony with high latitude climate instabilities. Earth and Planetary Science Letters, 241. 699-706. doi:10.1016/j.epsl.2005.11.012

Schneider, RR, Schulz, HD and Hensen, C (2006) Marine carbonates: Their formation and destruction. In: Schulz, HD and Zabel, M (eds.) Marine Geochemistry, 2nd Ed. Springer, Berlin, Heidelberg, New York, 311-337. doi:10.1007/3-540-32144-6_9

Lorenz, SJ, Kim, JH, Rimbu, N, Schneider, RR and Lohmann, G (2006) Orbitally driven insolation forcing on Holocene climate trends: evidence from alkenone data and climate modeling. Paleoceanography, 21. PA1002. doi:10.1029/2005PA001152

Zabel, M, Schneider, RR and Brüchert, V (2005) The Benguela Upwelling System 2003, Cruise No. 57, January 20 - April 13, 2003, Capetown - Dakar. METEOR-Berichte, 05-1. Leitstelle Meteor Institut für Meereskunde der Universität Hamburg.

Schefuß, E, Schouten, S and Schneider, RR (2005) Climatic controls on central African hydrology during the last 20,000 years. Nature, 437. 1003-1006. doi:10.1038/nature03945

Weldeab, S, Schneider, RR, Kölling, M and Wefer, G (2005) Holocene African droughts relate to eastern equatorial Atlantic cooling. Geology, 33(12). 981-984. doi:10.1130/G21874.1

Stuut, JB, Zabel, M, Ratmeyer, V, Helmke, P, Schefuß, E, Lavik, G and Schneider, RR (2005) Provenance of present-day eolian dust collected off NW Africa. Journal of Geophysical Research-Atmospheres, 110. D04202. doi:10.1029/2004JD005161

Jahn, B, Schneider, RR, Müller, PJ, Donner, B and Röhl, U (2005) Response of tropical African and East Atlantic climates to orbital forcing over the last 1.7 Ma. In: Head, MJ and Gibbard, PL (eds.) Early-middle Pleistocene transitions: the land-ocean evidence. Geological Society of London, London, UK, 65-84. doi:10.1144/GSL.SP.2005.247.01.04

Mollenhauer, G, Kienast, M, Lamy, F, Meggers, H, Schneider, RR, Hayes, JM and Eglinton, TI (2005) An evaluation of 14C age relationships between co-occurring foraminifera, alkenones, and total organic carbon in continental margin sediments. Paleoceanography, 20. PA1016. doi:10.1029/2004PA001103

Rimbu, N, Lohmann, G, Lorenz, SJ, Kim, JH and Schneider, RR (2004) Holocene climate variability as derived from alkenone sea surface temperature and coupled ocean-atmosphere model experiments. Climate Dynamics, 23. 215-227. doi:10.1007/s00382-004-0435-8

Rosenthal, Y, Perron-Cashman, S, Lear, CH, Bard, E, Barker, S, Billups, K, Bryan, M, deMenocal, PB, Dwyer, GS, Elderfield, H, German, CR, Greaves, M, Lea, DW, Marchitto, TM, Pak, DK, Paradis, GL, Russell, AD, Schneider, RR, Scheiderich, K, Stott, LD, Tachikawa, K, Tappa, E, Thunell, RC, Wara, MW, Weldeab, S and Wilson, PA (2004) Interlaboratory comparison study of Mg/ca and Sr/Ca measurements in planktonic foraminifera for paleoceanographic research. Geochemistry Geophysics Geosystems. Q0409. doi:10.1029/2003GC000650

Kim, JH, Rimbu, N, Lorenz, SJ, Lohmann, G, Schneider, RR, Nam, SI, Schouten, S, Sirocko, F and Rühlemann, C (2004) North Pacific and North Atlantic sea-surface temperature variability during the Holocene. Quaternary Science Reviews, 23(20-22). 2141-2154. doi:10.1016/j.quascirev.2004.08.010

Mollenhauer, G, Schneider, RR, Jennerjahn, TC, Müller, PJ and Wefer, G (2004) Organic carbon accumulation in the South Atlantic Ocean: its modern, mid-Holocene and last glacial distribution. Global and Planetary Change, 40(3-4). 249-266. doi:10.1016/j.gloplacha.2003.08.002

Stuut, JB, Crosta, X, van der Borg, K, Jansen, JHF and Schneider, RR (2004) Relationship between Antarctic sea ice and southwest African climate during the Late Quaternary. Geology, 32(10). 909-912. doi:10.1130/G20709.1

Dupont, LM, Kim, JH, Schneider, RR and Shi, N (2004) Southwest African climate independent of Atlantic sea surface temperatures during the Younger Dryas. Quaternary Research, 61(3). 318-324. doi:10.1016/j.yqres.2004.02.005

Peeters, FJC, Acheson, R, Brummer, GJA, de Ruijter, WPM, Schneider, RR, Ganssen, GM, Ufkes, E and Kroon, D (2004) Vigorous exchange between the Indian and Atlantic oceans at the end of the past five glacial periods. Nature, 430. 661-665. doi:10.1038/nature02785

Rimbu, N, Lohmann, G, Kim, JH, Arz, HW and Schneider, RR (2003) Arctic/North Atlantic Oscillation signature in Holocene sea surface temperature trends as obtained from alkenone data. Geophysical Research Letters, 30(6). 1280. doi:10.1029/2002GL016570

Mollenhauer, G, Eglinton, TI, Ohkouchi, N, Schneider, RR, Müller, PJ, Grootes, PM and Rullkötter, J (2003) Asynchronous alkenone and foraminifera records from the Benguela Upwelling System. Geochimica et Cosmochimica Acta, 67(12). 2157-2171. doi:10.1016/S0016-7037(03)00168-6

Adegbie, AT, Schneider, RR, Röhl, U and Wefer, G (2003) Glacial millennial-scale fluctuations in central African precipitation recorded in terrigenous sediment supply and freshwater signals offshore Cameroon. Palaeogeography, Palaeoclimatology, Palaeoecology, 197(3-4). 323-333. doi:10.1016/S0031-0182(03)00474-7

Romero, OE, Mollenhauer, G, Schneider, RR and Wefer, G (2003) Oscillations of the siliceous imprint in the central Benguela Upwelling System from MIS3 through the early Holocene: the influence of the Southern Ocean. Journal of Quaternary Science, 18(8). 733-743. doi:10.1002/jqs.789

Jahn, B, Donner, B, Müller, PJ, Röhl, U, Schneider, RR and Wefer, G (2003) Pleistocene variations in dust input and marine productivity in the northern Benguela Current: Evidence of evolution of global glacial-interglacial cycles. Palaeogeography, Palaeoclimatology, Palaeoecology, 193(3-4). 515-533. doi:10.1016/S0031-0182(03)00264-5

Kim, JH, Schneider, RR, Mulitza, S and Müller, PJ (2003) Reconstruction of SE trade wind intensity based on sea-surface temperature gradients in the SE Atlantic over the last 25 kyr. Geophysical Research Letters, 30(22). 2144. doi:10.1029/2003GL017557

Schneider, RR and et al (2003) Report and preliminary results of Meteor Cruise M57/1, Cape Town - Walvis Bay, 20.01. - 08.02.2003. Berichte aus dem Fachbereich Geowissenschaften der Universität Bremen, 216. Department of Geosciences, Bremen University. urn:nbn:de:gbv:46-ep000103374

Rodgers, KB, Lohmann, G, Lorenz, S, Schneider, RR and Henderson, GM (2003) A tropical mechanism for Northern Hemisphere deglaciation. Geochemistry Geophysics Geosystems, 4(5). 1046. doi:10.1029/2003GC000508

Stuut, JB, Prins, MA, Schneider, RR, Weltje, GJ, Jansen, JHF and Postma, G (2002) A 300-kyr record of aridity and wind strength in southwestern Africa: inferences from grain-size distributions of sediments on Walvis Ridge, SE Atlantic. Marine Geology, 180(1-4). 221-233. doi:10.1016/S0025-3227(01)00215-8

Benthien, A, Andersen, N, Schulte, S, Müller, PJ, Schneider, RR and Wefer, G (2002) Carbon isotopic composition of the C37:2 alkenone in core-top sediments of the South Atlantic Ocean: Effects of CO2 and nutrient concentrations. Global Biogeochemical Cycles, 16(1). 1012. doi:10.1029/2001GB001433

Mollenhauer, G, Schneider, RR, Müller, PJ, Spieß, V and Wefer, G (2002) Glacial/Interglacial variability in the Benguela upwelling system: Spatial distribution and budgets of organic carbon accumulation. Global Biogeochemical Cycles, 16(4). 1134. doi:10.1029/2001GB001488

Kim, JH, Schneider, RR, Müller, PJ and Wefer, G (2002) Interhemispheric comparison of deglacial sea-surface temperature patterns in Atlantic eastern boundary currents. Earth and Planetary Science Letters, 194(3-4). 383-393. doi:10.1016/S0012-821X(01)00545-3

Kim, JH, Schneider, RR, Hebbeln, D, Müller, PJ and Wefer, G (2002) Last deglacial sea-surface temperature evolution in the Southeast Pacific compared to climate changes on the Sourth American continent. Quaternary Science Reviews, 21(18-19). 2085-2097. doi:10.1016/S0277-3791(02)00012-4

Zabel, M, Schneider, RR, Wagner, T, Adegbie, AT, de Vries, U and Kolonic, S (2001) Late Quaternary Climate Changes in Central Africa as Inferred from Terrigenous Input to the Niger Fan. Quaternary Research, 56(2). 207-217. doi:10.1006/qres.2001.2261

Dupont, LM, Donner, B, Schneider, RR and Wefer, G (2001) Mid-Pleistocene environmental change in tropical Africa began as early as 1.05 Ma (palynological results of ODP Sites 1075). Geology, 29(3). 195-198.

Hebbeln, D, Arntz, WE, Böning, P, Bohlmann, H, Contardo, X, Dezileau, L, Ferdelman, TG, Figueroa, S, Fleming, J, Gallardo, VA, Gerdes, D, Giglio, S, Gonzales, P, Gonzáles, R, Gutièrrez, D, Hayn, C, Kallmeyer, J, Klockgether, G, Lambers, K, Lamy, F, Langer, J, Lavik, G, Löbner, H, Marchant, M, Meyer-Schack, B, Mohtadi, M, Montiel, A, Niggemann, J, Quiroga, E, Romero, OE, Rondanelli, M, Scheurle, C, Schewe, F, Schneider, RR, Schubert, CJ, Sellanes, J, Serrano, W, Stregel, S, Teixidó, N, Toffin, L, Treude, T, Villa, R, Villagrán, C, Walpersdorf, E, Wintersteller, P and Wulf, J (2001) PUCK: Report and preliminary results of R/V Sonne Cruise SO156, Valparaiso (Chile) - Talcahuano (Chile). March 29 - May 14, 2001. Berichte aus dem Fachbereich Geowissenschaften der Universität Bremen, 182. Department of Geosciences, Bremen University. urn:nbn:de:gbv:46-ep000103106

Shi, N, Schneider, RR, Beug, HJ and Dupont, LM (2001) Southeast trade wind variations during the last 135 kyr: evidence from pollen spectra in eastern South Atlantic sediments. Earth and Planetary Science Letters, 187(3-4). 311-321. doi:10.1016/S0012-821X(01)00267-9

Bleil, U, Breitzke, M, Däumler, K, Dittert, N, Ewert, J, Gohl, K, Heesemann, B, Heinitz, WD, Helmke, P, Keil, H, Merkel, T, Pioch, B, Potozki, F, Rosiak, U, Schneider, RR, Schwenk, T, Spieß, V and Uenzelmann-Neben, G (1994) Report and preliminary results of Sonne Cruise SO86, Buenos Aires - Capetown, 22.4.-31.5.1993. Berichte aus dem Fachbereich Geowissenschaften der Universität Bremen, 051. Department of Geosciences, Bremen University. urn:nbn:de:gbv:46-ep000101881

Schneider, RR (1991) Spätquartäre Produktivitätsänderungen im östlichen Angola-Becken: Reaktion auf Variationen im Pasat-Monsun-Windsystem und in der Advektion des Benguela-Küstenstroms. Berichte aus dem Fachbereich Geowissenschaften der Universität Bremen, 021. Department of Geosciences, Bremen University. urn:nbn:de:gbv:46-ep000106678

Wefer, G, Bleil, U, Müller, PJ, Schulz, HD, Berger, WH, Brathauer, U, Brück, L, Dahmke, A, Dehning, K, Durate-Morais, ML, Fürsich, F, Hinrichs, S, Klockgeter, K, Kölling, A, Kothe, C, Makaya, JF, Oberhänsli, H, Oschmann, W, Posny, J, Rostek, F, Schmidt, H, Schneider, RR, Segl, M, Sobiesiak, M, Soltwedel, T and Spieß, V (1988) Bericht über die Meteor-Fahrt M6-6, Libreville - Las Palmas, 18.2.1988 - 23.3.1988. Berichte aus dem Fachbereich Geowissenschaften der Universität Bremen, 003. Department of Geosciences, Bremen University. urn:nbn:de:gbv:46-ep000101421