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Resultados globales: 4 registros encontrados en 0.02 segundos.
Artículos, Encontrados 4 registros
Artículos Encontrados 4 registros  
1.
17 p, 4.9 MB Evidence of stable foraminifera biomineralization during the last two climate cycles in the tropical Atlantic ocean / Zarkogiannis, Stergios (National & Kapodistrian University of Athens. Department of Historical Geology-Paleontology (Greece)) ; Antonarakou, Assimina (National & Kapodistrian University of Athens. Department of Historical Geology-Paleontology (Greece)) ; Fernandez, Vincent (Natural History Museum. Imaging and Analysis Centre (UK)) ; Mortyn, P. Graham (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Kontakiotis, George (National & Kapodistrian University of Athens. Department of Historical Geology-Paleontology (Greece)) ; Drinia, Hara (National & Kapodistrian University of Athens. Department of Historical Geology-Paleontology (Greece)) ; Greaves, Mervyn (University of Cambridge. Department of Earth Sciences (UK)) ; Universitat Autònoma de Barcelona. Departament de Geografia
Planktonic foraminiferal biomineralization intensity, reflected by the weight of their shell calcite mass, affects global carbonate deposition and is known to follow climatic cycles by being increased during glacial stages and decreased during interglacial stages. [...]
2020 - 10.3390/jmse8100737
Journal of marine science and engineering, Vol. 8, Issue 10 (October 2020) , art. 737  
Registro completo - Creative Commons
2.
1 p, 302.0 KB Diferències de forma del zooplàncton del Golf de Mèxic durant l'última desglaciació / Zarkogiannis, Stergios. (National & Kapodistrian University of Athens) ; Antonarakou, Assimina (National & Kapodistrian University of Athens) ; Tripati, A. (European Institute of Marine Sciences (IUEM)) ; Kontakiotis, George (Panepistēmio Athēnōn. Department of Historical Geology and Paleontology) ; Mortyn, P. Graham (Universitat Autònoma de Barcelona. Departament de Geografia) ; Drinia, Hara (National & Kapodistrian University of Athens) ; Greaves, Mervyn (University of Cambridge)
Especialistes en oceanografia i en l'estudi del canvi climàtic han estudiat restes fòssils de foraminífers planctònics provinents del Golf de Mèxic amb l'objectiu d'investigar la temperatura, salinitat i productivitat oceàniques durant l'última desglaciació. [...]
This study provides evidence that ambient seawater density influences calcification and may account for the observed planktonic foraminifera shell mass increase during glacial times. Volumes of weighed fossil Globigerina bulloides shells were accurately determined using X-ray Computer Tomography and were combined with water density reconstructions from Mg/Ca and δO measurements to estimate the buoyancy force exerted on each shell. [...]
Especialistas en oceanografía y en el estudio del cambio climático han estudiado restos fósiles de foraminíferos planctónicos provenientes del Golfo de México con el objetivo de investigar la temperatura, salinidad y producción oceánicas durante la última desglaciación. [...]
2019 - 10.1038/s41598-018-36935-7
Scientific reports, Vol. 9 Núm. 1 (january 2019) , p. 533
3 documentos
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3.
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, Takuya (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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4.
12 p, 5.0 MB An evaluation of controls on planktonic foraminiferal Sr/Ca : comparison of water column and core-top data from a North Atlantic transect / Mortyn, P. Graham (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Elderfield, Henry (University of Cambridge. Department of Earth Sciences) ; Anand, Pallavi (Vrije Universiteit Amsterdam) ; Greaves, Mervyn (University of Cambridge. Department of Earth Sciences)
Sr/Ca in planktonic foraminifera recovered from the water column over 0-800 m along a meridional transect in the North Atlantic Ocean from 30° to 60°N were compared with data from core-top samples on the same transect and with in situ temperatures determined from water column CTD profiles. [...]
2005 - 10.1029/2005GC001047
Geochemistry, geophysics, geosystems, Vol. 6, Issue 12 (Dec. 2005)  
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