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February 2020

Gaelle Gilson (Université Catholique de Louvain, Belgium) – Data assimilation of oceanic proxies in the North Atlantic over the Common Era

February 7 @ 3:00 pm - 4:00 pm
Ellison 101, Northumbria University
Newcastle upon Tyne, NE1 8ST

Abstract: The mismatch between oceanic proxy data and climate model results over the past millennia has been a long-lasting challenge. Although both are valuable sources of paleoclimate information, there is a strong discrepancy in variance between models and proxies, so that they cannot be compared directly. In addition, local sea-surface temperature (SST) reconstructions are often inconsistent among proxy types. We first performed several offline data assimilation experiments with different standardized SST proxy datasets using the climate models LOVECLIM and CESM…

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