Chukchi Sea Ice Conditions for the Last Few Centuries: Reconstruction from Sedimentation Records
- Authors: Astakhov A.S.1, Akulichev V.A.1, Dar’in A.V.2, Kalugin I.A.2, Liu Y.3, Babich V.V.2, Bosin A.A.1, Vologina E.G.4, Plotnikov V.V.1
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Affiliations:
- Pacific Oceanological Institute, Far East Branch
- Sobolev Institute of Geology and Mineralogy, Siberian Branch
- First Institute of Oceanography
- Institute of the Earth’s Crust, Siberian Branch
- Issue: Vol 480, No 2 (2018)
- Pages: 767-772
- Section: Oceanology
- URL: https://ogarev-online.ru/1028-334X/article/view/193386
- DOI: https://doi.org/10.1134/S1028334X18060016
- ID: 193386
Cite item
Abstract
For the first time, the reconstruction of variations in the duration over several hundred years was conducted on the basis of models developed by comparing hydrometeorological observations and detailed scanning of the chemical composition of bottom sediments accumulated during the corresponding period. The gauge models for the reconstruction of air temperature and ice cover of the water area for three sites in the northern part of the Chukchi Sea have been developed. During the reconstruction, an insignificant increase in the duration of the ice-free period during the Little Ice Age was established, which does not coincide with the changes in the temperature regime that took place. It is concluded that the dynamics of the inflow of warm Pacific waters through the Bering Strait had the predominant influence on the ice regime of the Chukchi Sea.
About the authors
A. S. Astakhov
Pacific Oceanological Institute, Far East Branch
Author for correspondence.
Email: astakhov@poi.dvo.ru
Russian Federation, Vladivostok, 690041
V. A. Akulichev
Pacific Oceanological Institute, Far East Branch
Email: astakhov@poi.dvo.ru
Russian Federation, Vladivostok, 690041
A. V. Dar’in
Sobolev Institute of Geology and Mineralogy, Siberian Branch
Email: astakhov@poi.dvo.ru
Russian Federation, Novosibirsk, 630090
I. A. Kalugin
Sobolev Institute of Geology and Mineralogy, Siberian Branch
Email: astakhov@poi.dvo.ru
Russian Federation, Novosibirsk, 630090
Yanguang Liu
First Institute of Oceanography
Email: astakhov@poi.dvo.ru
China, Qingdao
V. V. Babich
Sobolev Institute of Geology and Mineralogy, Siberian Branch
Email: astakhov@poi.dvo.ru
Russian Federation, Novosibirsk, 630090
A. A. Bosin
Pacific Oceanological Institute, Far East Branch
Email: astakhov@poi.dvo.ru
Russian Federation, Vladivostok, 690041
E. G. Vologina
Institute of the Earth’s Crust, Siberian Branch
Email: astakhov@poi.dvo.ru
Russian Federation, Irkutsk, 664033
V. V. Plotnikov
Pacific Oceanological Institute, Far East Branch
Email: astakhov@poi.dvo.ru
Russian Federation, Vladivostok, 690041
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