Pleistocene ice at the bottom of the Vavilov ice cap, Severnaya Zemlya, Russian Arctic

Abstract The Vavilov ice cap was perforated in 1988 by a drilling which reached the underlying frozen sediments. In contrast to the overlying glacier ice, the basal ice is composed of different ice layers with a variable debris load. The stable-isotope composition of these layers shows δ values much...

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Bibliographic Details
Published in:Journal of Glaciology
Main Authors: Stiévenard, Michel, Nikolaëv, Vladimir, Bol’shiyanov, Dmitri Yu, Fléhoc, Christine, Jouzel, Jean, Klementyev, Oleg L., Souchez, Roland
Format: Article in Journal/Newspaper
Language:English
Published: Cambridge University Press (CUP) 1996
Subjects:
Earth-Surface Processes
Arctic
Severnaya Zemlya
Ice cap
Journal of Glaciology
Online Access:http://dx.doi.org/10.1017/s0022143000003385
https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0022143000003385
Description
Summary:Abstract The Vavilov ice cap was perforated in 1988 by a drilling which reached the underlying frozen sediments. In contrast to the overlying glacier ice, the basal ice is composed of different ice layers with a variable debris load. The stable-isotope composition of these layers shows δ values much lower than everywhere else in the core or in the Vavilov ice cap. This is most probably the signature of a remnant of Pleistocene ice which, for the first time, is shown to occur in the Russian Arctic.

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