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Paleoceanography
PALEOCEAN

The scientific themes of the Paleocene team are articulated around four axes whose common objective is to improve the understanding of the different mechanisms that play a role in climate variability over the past hundreds of thousands of years, and their interactions with global climatology, such as greenhouse gases (through the carbon cycle), ice caps, the continental biosphere... The reconstructions of this variability are essentially based on the study of the remains of organisms found in marine sediments.

The preferred tools used by the laboratory are micropaleontological parameters (planktonic and benthic foraminifera) and geochemical parameters (isotopic compositions of carbon and oxygen, boron isotopes, radiocarbon, trace elements, clumped isotopes) in marine cores with high sedimentation rates, or in coral cores. This work can only be done on the basis of very good quality sample recovery, which requires a very significant investment in oceanographic missions. The success of these missions owes much to the support of the Paul Emile Victor Polar Institute and the technical skills developed on board the oceanographic vessel Marion Dufresne.

 
#80 - Last update : 05/02 2022

 

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