Difference in the surges of ancient glaciers in the Barents and Kara seas

Kashdan A.Y.¹, Sheinkman V.S.²

DIFFERENCE IN THE SURGES OF ANCIENT GLACIERS IN THE BARENTS AND KARA SEAS

Relief and Quaternary deposits of the Arctic, Subarctic and North-West Russia. Issue 10.

doi: 10.24412/2687-1092-2023-10-116-122

¹ Computer and Software Engineering Department, Polytechnique Montréal, Montreal, Canada

² Earth Cryosphere Institute FRS Tyumen Science Center SB RAS, Tyumen, Russia

Abstract. Paleoglaciological modeling was carried out for the western Arctic sector, running a series of simulations with different parameters to address the problem that may result from extreme advances of ancient glaciers (surges). The first type of the Barents Sea is characterized by glaciers that can remain on top of the bed indefinitely and begin to retreat some time after the onset of climatic impact, with the surge occurring already after the ice shelf has been destroyed. The second Kara type is distinguished, when glaciers slowly retreat on flat tops of the bed under the influence of climatic factor, and the surge is caused by the superposition of synchronous effects of warming and epichronic effects of climatic events.

Keywords: Late Pleistocene, Arctic, paleoglaciology, glacial geomorphology, glacier surges

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Cite this article:

Kashdan A.Y., Sheinkman V.S. Difference in the surges of ancient glaciers in the Barents and Kara seas // Relief and Quaternary deposits of the Arctic, Subarctic and North-West Russia. 2023. Issue 10. P. 116-122. doi: 10.24412/2687-1092-2023-10-116-122