Last interglacial and Holocene climatic development in the Norwegian Sea region: Ocean front movements and ice-core data

被引:33
作者
Sejrup, HP
Haflidason, H
Kristensen, DK
Johnsen, SJ
机构
[1] Department of Geology, University of Bergen, Bergen
[2] Niels Bohr Institute, Department of Geophysics, University of Copenhagen, Copenhagen N, DK-2200
[3] Science Institute, Department of Geophysics, University of Iceland, Reykjavik, IS-107, Dunhaga 3
关键词
Norwegian Sea; GRIP ice-core; deep-sea sediments; Eemian interglacial; Holocene interglacial; planktonic foraminifers; palaeoceanography; climatic instability;
D O I
10.1002/jqs.3390100408
中图分类号
P9 [自然地理学];
学科分类号
0705 ; 070501 ;
摘要
Planktonic foraminiferal evidence suggests that the ocean front systems between Polar and Atlantic surface waters in the Norwegian Sea generally were located closer to Greenland during Oxygen isotope Substage 5e than in the Holocene. During both these periods oscillations have occurred in the position of the fronts. In the western Norwegian Sea region, the substage 5e influence of warm Atlantic waters was interrupted by a return to polar conditions. These findings support both ice-core data and evidence from Europe that the last interglacial was a period of rapid climatic shifts.
引用
收藏
页码:385 / 390
页数:6
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