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Maximum extent of the Eurasian ice sheets in the Barents and Kara Sea region during the Weichselian

Svendsen, John Inge ; Astakhov, Valery I. ; Bolshiyanov, Dimitri Yu. ; Demidov, Igor ; Dowdeswell, Julian A. ; Gataullin, Valery ; Hjort, Christian LU ; Hubberten, Hans W. ; Larsen, Eiliv and Mangerud, Jan , et al. (1999) In Boreas 28(1). p.92-114
Abstract
Based on field investigations in northern Russia and interpretation of offshore seismic data, we have made a preliminary reconstruction of the maximum ice-sheet extent in the Barents and Kara Sea region during the Early/Middle Weichselian and the Late Weichselian. Our investigations indicate that the Barents and Kara ice sheets attained their maximum Weichselian positions in northern Russia prior to 50 000 yr BP, whereas the northeastern flank of the Scandinavian Ice Sheet advanced to a maximum position shortly after 17000 calendar years ago. During the Late Weichselian (25 000–10000 yr BP), much of the Russian Arctic remained ice-free. According to our reconstruction, the extent of the ice sheets in the Barents and Kara Sea region during... (More)
Based on field investigations in northern Russia and interpretation of offshore seismic data, we have made a preliminary reconstruction of the maximum ice-sheet extent in the Barents and Kara Sea region during the Early/Middle Weichselian and the Late Weichselian. Our investigations indicate that the Barents and Kara ice sheets attained their maximum Weichselian positions in northern Russia prior to 50 000 yr BP, whereas the northeastern flank of the Scandinavian Ice Sheet advanced to a maximum position shortly after 17000 calendar years ago. During the Late Weichselian (25 000–10000 yr BP), much of the Russian Arctic remained ice-free. According to our reconstruction, the extent of the ice sheets in the Barents and Kara Sea region during the Late Weichselian glacial maximum was less than half that of the maximum model which, up to now, has been widely used as a boundary condition for testing and refining General Circulation Models (GCMs). Preliminary numerical-modelling experiments predict Late Weichselian ice sheets which are larger than the ice extent implied for the Kara Sea region from dated geological evidence, suggesting very low precipitation. (Less)
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Boreas
volume
28
issue
1
pages
23 pages
publisher
John Wiley & Sons Inc.
external identifiers
  • scopus:0033102202
ISSN
1502-3885
DOI
10.1111/j.1502-3885.1999.tb00217.x
language
English
LU publication?
yes
id
0c07efd2-ba9e-4020-9575-68ad452828e8
date added to LUP
2020-08-05 14:48:11
date last changed
2022-08-04 00:04:56
@article{0c07efd2-ba9e-4020-9575-68ad452828e8,
  abstract     = {{Based on field investigations in northern Russia and interpretation of offshore seismic data, we have made a preliminary reconstruction of the maximum ice-sheet extent in the Barents and Kara Sea region during the Early/Middle Weichselian and the Late Weichselian. Our investigations indicate that the Barents and Kara ice sheets attained their maximum Weichselian positions in northern Russia prior to 50 000 yr BP, whereas the northeastern flank of the Scandinavian Ice Sheet advanced to a maximum position shortly after 17000 calendar years ago. During the Late Weichselian (25 000–10000 yr BP), much of the Russian Arctic remained ice-free. According to our reconstruction, the extent of the ice sheets in the Barents and Kara Sea region during the Late Weichselian glacial maximum was less than half that of the maximum model which, up to now, has been widely used as a boundary condition for testing and refining General Circulation Models (GCMs). Preliminary numerical-modelling experiments predict Late Weichselian ice sheets which are larger than the ice extent implied for the Kara Sea region from dated geological evidence, suggesting very low precipitation.}},
  author       = {{Svendsen, John Inge and Astakhov, Valery I. and Bolshiyanov, Dimitri Yu. and Demidov, Igor and Dowdeswell, Julian A. and Gataullin, Valery and Hjort, Christian and Hubberten, Hans W. and Larsen, Eiliv and Mangerud, Jan and Melles, Martin and Möller, Per and Saarnisto, Matti and Siegert, Martin J.}},
  issn         = {{1502-3885}},
  language     = {{eng}},
  number       = {{1}},
  pages        = {{92--114}},
  publisher    = {{John Wiley & Sons Inc.}},
  series       = {{Boreas}},
  title        = {{Maximum extent of the Eurasian ice sheets in the Barents and Kara Sea region during the Weichselian}},
  url          = {{http://dx.doi.org/10.1111/j.1502-3885.1999.tb00217.x}},
  doi          = {{10.1111/j.1502-3885.1999.tb00217.x}},
  volume       = {{28}},
  year         = {{1999}},
}