Project description

Artic marine sediments contain the most direct and continuous archives of sea ice variability across Quaternary glacial cycles. These records are important for deciphering the dynamics of the Arctic cryosphere and establishing tele-connections with the global climate system. However, we struggle to accurately date Quaternary Arctic marine sediments. This is due to the sporadic occurrence and limited diversity of biostratigraphically-useful microfossils needed for globally calibrated biostratigraphic age control. However, recent research has identified regions in the Arctic where calcareous micro- and nannofossils are more abundant and can provide critical biostratigraphic age control to the anchor Quaternary age models, which are key to the understanding of Arctic´s climate history.

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