A warm and poorly ventilated deep Arctic Mediterranean during the last glacial period | Zendy

David Thornalley | Zendy; Henning A. Bauch | Zendy; Geoffrey Gebbie | Zendy; Weifu Guo | Zendy; Martin Ziegler | Zendy; Stefano M. Bernasconi | Zendy; S. Barker | Zendy; Luke C Skinner | Zendy; Jimin Yu | Zendy

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A warm and poorly ventilated deep Arctic Mediterranean during the last glacial period

Author(s) -

David Thornalley,

Henning A. Bauch,

Geoffrey Gebbie,

Weifu Guo,

Martin Ziegler,

Stefano M. Bernasconi,

S. Barker,

Luke C Skinner,

Jimin Yu

Publication year - 2015

Publication title -

science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 12.556

H-Index - 1186

eISSN - 1095-9203

pISSN - 0036-8075

DOI - 10.1126/science.aaa9554

Subject(s) - glacial period , oceanography , arctic , shutdown of thermohaline circulation , mediterranean climate , northern hemisphere , climatology , the arctic , period (music) , north atlantic deep water , arctic ice pack , geology , environmental science , thermohaline circulation , geography , archaeology , physics , geomorphology , acoustics

Slow circulation in the cold Arctic The Arctic Ocean and Nordic Seas together supply dense, sinking water to the Atlantic Meridional Overturning Circulation (AMOC). The redistribution of heat by the AMOC, in turn, exerts a major influence on climate in the Northern Hemisphere. Thornalleyet al. report that during the last glacial period, those regions were nearly stagnant and supplied almost none of the water that they presently contribute to the AMOC. This low rate of flow into the Atlantic was probably due to an absence of vigorous deep-water formation in the Arctic Mediterranean as a consequence of the extensive ice cover there at that time.Science , this issue p.706

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