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Picture of Dr. Laurent Labeyrie, SCOR Co-opted Member

Laurent Labeyrie, Co-Opted Member to the SCOR Executive Committee

Prof. Laurent Labeyrie was trained as a physicist and a geochemist at the University of Paris. He earned his Ph.D. in 1971, followed by a “These d’Etat ” in 1979, covered the development of the isotopic study of diatom silica for paleoceanography. Simultaneously, he developed the analysis of fall-out 55Fe for tracking iron geochemistry in the oceans, while a visiting scientist at the Woods Hole Oceanographic Institution (1973-1975). Labeyrie was a full-time scientist at the Centre National de la Recherche Scientifique (France) between 1972 and 1993, and joined University Paris Sud-Orsay in Sept. 1993 as Professor. He teaches there at undergraduate and graduate levels in Earth Dynamics and Climatic Change. Labeyrie directs the Paleoceanography team in Laboratoire des Sciences du Climat et de l’Environnement  in Gif/Yvette-France.

Prof. Labeyrie is one of the creators of the International Marine Global Change Study (IMAGES) and directed it between 1996 and 2000. He chairs the IMAGES Executive Committee until end of 2001. Labeyrie has served simultaneously in the Scientific Committee of the IGBP-Past Global Change Program (1996-2001).

Prof. Labeyrie's scientific career covers, with over 150 publications, numerous new developments in the field of paleoclimatology, including deep-water temperature changes during glacial cycles, oxygen isotopic ratio in the glacial air, Heinrich events and the meltwater effect on ocean thermohaline circulation. His scientific specialties are application of physics, geochemistry, and isotopic geochemistry (in particular the ratios of 18O/16O and13C/12C in fossil foraminifera) to the study of climate variability and ocean circulation in the past, including both observational and modeling aspects. Labeyrie's present research focuses on quantification of changes in ocean thermohaline structure (temperature and salinity distribution) during periods of rapid climatic changes, with the longer-term aim of coupling processes of the ocean, atmosphere, and ice with changes in thermohaline circulation, meridional heat transfer, relations with atmospheric pCO2, and climate variability.

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