Abstract
Extensive efforts have been made in recent years to improve the knowledge of Pleistocene glaciations in the Arctic and related climatic changes. Special interest is focused on the Last Glacial Maximum (LGM) in northern Eurasia—an issue of a long‐standing debate involving a discrepancy between minimal and maximal reconstructions of at least double the size of the modern Greenland ice sheet. Critical evidence lies on the continental shelf of the Barents and Kara seas that contained much of the grounded ice in northern Eurasia and was itself a significant center for ice growth. Ice sheets on the Barents‐Kara shelf dramatically diminished the exchange of water and air masses between the Arctic and North Atlantic and dammed the discharge of Eastern European and, possibly, Siberian rivers into the Arctic Ocean.
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