East Atlantic Pattern Drives Multidecadal Atlantic Meridional Overturning Circulation Variability During the Last Glacial Maximum

被引：3

作者：

Song, Zhaoyang ^{[1
]}

Latif, Mojib ^{[1
,2
]}

Park, Wonsun ^{[1
]}

机构：

[1] GEOMAR Helmholtz Ctr Ocean Res Kiel, Kiel, Germany

[2] Univ Kiel, Excellence Cluster Future Ocean, Kiel, Germany

来源：

GEOPHYSICAL RESEARCH LETTERS | 2019年 / 46卷 / 19期

关键词：

OCEAN CIRCULATION; ATMOSPHERIC CIRCULATION; CLIMATE; OSCILLATION; SEA; ICE; TEMPERATURES; RAINFALL;

D O I：

10.1029/2019GL082960

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

The variability of the Atlantic meridional overturning circulation (AMOC) and its governing processes during the Last Glacial Maximum (LGM) is investigated in the Kiel Climate Model. Under LGM conditions, multidecadal AMOC variability is mainly forced by the surface heat flux variability linked to the East Atlantic pattern (EAP). In contrast, the multidecadal AMOC variability under preindustrial conditions is mainly driven by the surface heat flux variability associated with the North Atlantic Oscillation. Stand-alone atmosphere model experiments show that relative to preindustrial conditions, the change in AMOC forcing under LGM conditions is tightly linked to the differences in topography.

引用

收藏

页码：10865 / 10873

页数：9

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