Isotopic composition of water vapor at Dome C, East Antarctica

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24 septembre 2015

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AFEQ english

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OpenEdition



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celiaeschst, « Isotopic composition of water vapor at Dome C, East Antarctica », AFEQ english, ID : 10670/1.smi6xh


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The oldest ice core records are obtained on the East Antarctic plateau. The composition in stable isotopes of water (δ18O, δD, δ17O) permits to reconstruct the past climatic conditions over the ice sheet and also at the evaporation source. Paleothermometer accuracy relies on good knowledge of processes affecting the isotopic composition of surface snow in Polar Regions. Both simple models such as Rayleigh distillation and global atmospheric models with isotopes provide good prediction of prec...

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