GSTDTAP  > 气候变化
DOI10.1007/s00382-017-3568-2
Basinwide response of the Atlantic Meridional Overturning Circulation to interannual wind forcing
Zhao, Jian1,2
2017-12-01
发表期刊CLIMATE DYNAMICS
ISSN0930-7575
EISSN1432-0894
出版年2017
卷号49
文章类型Article
语种英语
国家USA
英文摘要

An eddy-resolving Ocean general circulation model For the Earth Simulator (OFES) and a simple wind-driven two-layer model are used to investigate the role of momentum fluxes in driving the Atlantic Meridional Overturning Circulation (AMOC) variability throughout the Atlantic basin from 1950 to 2010. Diagnostic analysis using the OFES results suggests that interior baroclinic Rossby waves and coastal topographic waves play essential roles in modulating the AMOC interannual variability. The proposed mechanisms are verified in the context of a simple two-layer model with realistic topography and only forced by surface wind. The topographic waves communicate high-latitude anomalies into lower latitudes and account for about 50% of the AMOC interannual variability in the subtropics. In addition, the large scale Rossby waves excited by wind forcing together with topographic waves set up coherent AMOC interannual variability patterns across the tropics and subtropics. The comparisons between the simple model and OFES results suggest that a large fraction of the AMOC interannual variability in the Atlantic basin can be explained by wind-driven dynamics.


英文关键词Atlantic Meridional Overturning Circulation Low-frequency change Wind forcing Rossby wave
领域气候变化
收录类别SCI-E
WOS记录号WOS:000415579000037
WOS关键词NORTH-ATLANTIC ; HEAT-TRANSPORT ; THERMOHALINE CIRCULATION ; MULTIDECADAL VARIABILITY ; OCEAN CIRCULATION ; NUMERICAL-MODEL ; 26.5-DEGREES-N ; OSCILLATION ; PROPAGATION ; CLIMATE
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/35738
专题气候变化
作者单位1.Univ Miami, Rosenstiel Sch Marine & Atmospher Sci, 4600 Rickenbacker Causeway, Miami, FL 33149 USA;
2.Woods Hole Oceanog Inst, Dept Phys Oceanog, Woods Hole, MA 02543 USA
推荐引用方式
GB/T 7714
Zhao, Jian. Basinwide response of the Atlantic Meridional Overturning Circulation to interannual wind forcing[J]. CLIMATE DYNAMICS,2017,49.
APA Zhao, Jian.(2017).Basinwide response of the Atlantic Meridional Overturning Circulation to interannual wind forcing.CLIMATE DYNAMICS,49.
MLA Zhao, Jian."Basinwide response of the Atlantic Meridional Overturning Circulation to interannual wind forcing".CLIMATE DYNAMICS 49(2017).
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