Enhanced Modern Heat Transfer to the Arctic by Warm Atlantic Water

Permanent Link:: http://dpanther.fiu.edu/dpService/dpPurlService/purl/FI15042578/00001

Material Information

Title:: Enhanced Modern Heat Transfer to the Arctic by Warm Atlantic Water
Series Title:: Science Magazine Volume 331
Creator:: Robert F. Spielhagen
Kirstin Werner
Steffen Aagaard Sorensen
Katarzyna Zamelczyk
Evguenia Kandiano
Gereon Budeus
Katrine Husum
Thomas M. Marchitto
Morten Hald
Affiliation:: Academy of Sciences, Humanities, and Literature
Leibniz Institute of Marine Sciences
University of Tromso -- Department of Geology
University of Tromso -- Department of Geology
Leibniz Institue of Marine Sciences
Alfred Wegener Institute of Polar and Marine Research
University of Tromso -- Department of Geology
University of Colorado -- Boulder -- Department of Geological Sciences -- Institute of Arctic and Alpine Research
University of Tromso -- Department of Geology
Publisher:: American Association for the Advancement of Science
Publication Date:: 2011-01-28
Language:: English

Abstract:: The Arctic is responding more rapidly to global warming than most other areas on our planet. Northwardflowing AtlanticWater is themajor means of heat advection toward the Arctic and strongly affects the sea ice distribution. Records of its natural variability are critical for the understanding of feedback mechanisms and the future of the Arctic climate system, but continuous historical records reach back only ~150 years. Here, we present a multidecadal-scale record of ocean temperature variations during the past 2000 years, derived from marine sediments off Western Svalbard (79°N). We find that early–21st-century temperatures of Atlantic Water entering the Arctic Ocean are unprecedented over the past 2000 years and are presumably linked to the Arctic amplification of global warming. ( English )

Source Institution:: Florida International University
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