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Resultados globales: 8 registros encontrados en 0.02 segundos.
Artículos, Encontrados 8 registros
Artículos Encontrados 8 registros  
1.
27 p, 2.2 MB Interlaboratory comparison study of calibration standards for foraminiferal Mg/Ca thermometry / Greaves, Mervyn (University of Cambridge. Department of Earth Sciences) ; Caillon, Nicolas (Centre National de la Recherche Scientifique (França)) ; Rebaubier, Helene (Centre National de la Recherche Scientifique (França)) ; Bartoli, G. (Kiel University. Institute für Geowissenschaften) ; Bohaty, Steven (University of Southampton. School of Ocean and Earth Science) ; Cacho, Isabel (Universitat de Barcelona. Departament d'Estratigrafia, Paleontologia i Geociències Marines) ; Clarke, L. (Bangor University. School of Ocean Sciences) ; Cooper, M. (National Oceanography Centre) ; Daunt, C. (University of Cambridge. Department of Earth Sciences) ; Delaney, M. (University of California. Department of Ocean Sciences) ; de Menocal, P. (Columbia University. Lamont-Doherty Earth Observatory) ; Dutton, Andrea (Australian National University. Research School of Earth Sciences) ; Eggins, Stephen (Australian National University. Research School of Earth Sciences) ; Elderfield, Henry (University of Cambridge. Department of Earth Sciences) ; Garbe-Schoenberg, Dieter (Kiel University. Institute für Geowissenschaften) ; Goddard, Ethan (University of South Florida. College of Marine Science) ; Green, D. (National Oceanography Centre) ; Groeneveld, J. (University of Bremen. Research Center Ocean Margins) ; Hastings, D. (Eckerd College. Collegium of Natural Sciences) ; Hathorne, E. (University of Bremen. Research Center Ocean Margins) ; Kimoto, K. (Institute of Observational Research for Global Change) ; Klinkhammer, Gary (Oregon State University. College of Oceanography) ; Labeyrie, L. (Centre National de la Recherche Scientifique (França)) ; Lea, David W. (University of California. Department of Geological Sciences) ; Marchitto, Thomas (University of Colorado. INSTAAR) ; Martínez Botí, M. A. (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Mortyn, P. Graham (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Ni, Y. (Research Institute of Petroleum Exploration and Development) ; Nuernberg, D. (IFM-GEOMAR (Kiel, Alemanya)) ; Paradis, G. (University of California. Department of Geological Sciences) ; Pena, L. (Universitat de Barcelona. Departament d'Estratigrafia, Paleontologia i Geociències Marines) ; Quinn, T. (University of South Florida. College of Marine Science) ; Rosenthal, Y. (State University of New Jersey. Department of Geology) ; Russell, A. (University of California. Department of Geology) ; Sagawa, T. (Kochi University. Center for Advanced Marine Core Research) ; Sosdian, S. (State University of New Jersey. Department of Geology) ; Stott, Lowell D (University of South California. Department of Earth Sciences) ; Tachikawa, K. (Centre National de la Recherche Scientifique (França)) ; Tappa, E. (University of South Carolina. Department of Geological Sciences) ; Thunell, Robert C. (University of South Carolina. Department of Geological Sciences) ; Wilson, P. A. (National Oceanography Centre)
An interlaboratory study of Mg/Ca and Sr/Ca ratios in three commercially available carbonate reference materials (BAM RS3, CMSI 1767, and ECRM 752-1) was performed with the participation of 25 laboratories that determine foraminiferal Mg/Ca ratios worldwide. [...]
2008 - 10.1029/2008GC001974
Geochemistry, geophysics, geosystems, Vol. 9, issue 8 (Aug. 2008) , p. 1-27  
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2.
10 p, 993.6 KB Three hundred eighty thousand year long stable isotope and faunal records from the Red Sea : influence of global sea level change on hydrography / Hemleben, Christoph (University of Tübingen. Institute and Museum for Geology and Paleontology) ; Meischner, Dieter (University of Göttingen. Institute for Geology and Paleontology) ; Zahn, Rainer (GEOMAR Research Center for Marine Geosciences (Alemanya)) ; Almogi-Labin, Ahuva (Geological Survey of Israel) ; Erlenkeuser, Helmut (Institut für Reine und Angewandte Kernphysik (Alemanya)) ; Hiller, Birgit (University of Tübingen. Institute and Museum for Geology and Paleontology)
Stable isotope and faunal records from the central Red Sea show high-amplitude oscillations for the past 380,000 years. Positive δ18O anomalies indicate periods of significant salt buildup during periods of lowered sea level when water mass exchange with the Arabian Sea was reduced due to a reduced geometry of the Bab el Mandeb Strait. [...]
1996 - 10.1029/95PA03838
Paleoceanography, Vol. 11, Issue 2 (1996) , p. 147-156  
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3.
15 p, 1.8 MB Thermohaline instability in the North Atlantic during meltwater events: Stable isotope and ice-rafted detritus records from Core SO75-26KL, Portuguese Margin / Zahn, Rainer (GEOMAR Research Center for Marine Geosciences) ; Schönfeld, Joachim (GEOMAR Research Center for Marine Geosciences) ; Kudrass, Hermann-Rudolf (Bundesanstalt fiir Geowissenschaften und Rohstoffe (Alemanya)) ; Park, Myong-Ho (GEOMAR Research Center for Marine Geosciences) ; Erlenkeuser, Helmut (Christian-Albrechts-Universität zu Kiel (Alemanya)) ; Grootes, Pieter (Christian-Albrechts-Universität zu Kiel (Alemanya))
A benthic isotope record has been measured for core SO75-26KL from the upper Portuguese margin (1099 m water depth) to monitor the response of thermohaline overturn in the North Atlantic during Heinrich events. [...]
1997 - 10.1029/97PA00581
Paleoceanography, Vol. 12, Issue 5 (1997) , p. 696-710  
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4.
10 p, 1.2 MB Interhemispheric appraisal of the value of alkenone indices as temperature and salinity proxies in high-latitude locations / Rosell Melé, Antoni (University of Newcastle. Department of Fossil Fuels and Environmental Geochemistry)
Alkenone sediment data from the Nordic seas and North Atlantic are compared to those from Sikes et al. [1997] for the Southern Ocean to evaluate further UK37 and UK37' as proxies to estimate cold temperatures (<10°C) and the effect of salinity and temperature in the relative abundance of 37∶4 to the total abundance of C37 alkenones (37∶4%). [...]
1998 - 10.1029/98PA02355
Paleoceanography, Vol. 13, Issue 6 (1998) , p. 694-703  
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5.
7 p, 959.7 KB Evidence for a Warm Last Glacial Maximum in the Nordic Seas or an example of shortcomings in UK37' and UK37 to estimate low sea surface temperature? / Rosell Melé, Antoni (University of Newcastle. Department of Fossil Fuels and Environmental Geochemistry) ; Comes, Pau (University of Durham. Department of Geography)
The occurrence of ice-free conditions in the Nordic seas during the Last Glacial Maximum has been demonstrated using microfossil and biomarker approaches. An accurate picture of the prevailing oceanographic conditions may be more difficult to ascertain. [...]
1999 - 10.1029/1999PA900037
Paleoceanography, Vol. 14, Issue 6 (1999) , p. 770-776  
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6.
14 p, 811.4 KB Planktonic foraminiferal depth habitat and δ18O calibrations : plankton tow results from the Atlantic sector of the Southern Ocean / Mortyn, P. Graham (California State University. Department of Earth and Environmental Sciences) ; Charles, Christopher D. (University of California. Scripps Institution of Oceanography)
Plankton tows conducted in the Atlantic sector of the Southern Ocean allow analysis of the influence of water column structure on planktonic foraminiferal abundance and δ18O composition. Foraminiferal abundance varies by several orders of magnitude across a large gradient in sea surface temperature and other hydrographic features, demonstrating high sensitivity of foraminiferal populations to regional differences in water properties. [...]
2003 - 10.1029/2001PA000637
Paleoceanography, Vol. 18, Issue 2 (June 2003) , p. 1037  
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7.
12 p, 584.0 KB Expansion of subarctic water masses in the North Atlantic and Pacific oceans and implications for mid-Pleistocene ice sheet growth / McClymont, Erin L. (University of Durham. Department of Geography) ; Rosell Melé, Antoni (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Haug, Gerald H. (Geological Institute. Department of Earth Sciences) ; Lloyd, Jerry M. (University of Durham. Department of Geography)
Past surface ocean circulation changes associated with the mid-Pleistocene transition, 0. 9-0. 6 Ma, were reconstructed in the northern North Atlantic (ODP 983) and the northwest Pacific (ODP 882), using proxies for subarctic/subpolar water mass distributions (%C37:4 alkenone) and sea surface temperature (U37K). [...]
2008 - 10.1029/2008PA001622
Paleoceanography, Vol. 23, Issue 4, p. PA4214 (December 2008)  
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8.
12 p, 2.2 MB Contrasting multiproxy reconstructions of surface ocean hydrography in the Agulhas Corridor and implications for the Agulhas Leakage during the last 345,000 years / Martínez Méndez, Gema (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Zahn, Rainer (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Hall, Ian R. (Cardiff University. School of Earth and Ocean Sciences) ; Peeters, Frank J. C. (University of Amsterdam. Faculty of Earth and Life Sciences) ; Pena, Leopoldo D. (Lamont-Doherty Earth Observatory (Estats Units d'Amèrica)) ; Cacho, Isabel (Universitat de Barcelona. Departament d'Estratigrafia, Paleontologia i Geociències Marines) ; Negre de Bofarull, César (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals)
Planktonic δ18O and Mg/Ca-derived sea surface temperature (SST) records from the Agulhas Corridor off South Africa display a progressive increase of SST during glacial periods of the last three climatic cycles. [...]
2010 - 10.1029/2009PA001879
Paleoceanography, Vol. 25, Issue 4 (December 2010) , p. PA4227  
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