| DOI: | 10.1002/2013GL058464
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| 论文题名: | Atlantic Meridional Overturning Circulation slowdown cooled the subtropical ocean |
| 作者: | Cunningham S.A.; Roberts C.D.; Frajka-Williams E.; Johns W.E.; Hobbs W.; Palmer M.D.; Rayner D.; Smeed D.A.; McCarthy G.
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| 刊名: | Geophysical Research Letters
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| ISSN: | 0094-8302
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| EISSN: | 1944-8033
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| 出版年: | 2013
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| 卷: | 40, 期:23 | | 起始页码: | 6202
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| 结束页码: | 6207
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| 语种: | 英语
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| 英文关键词: | Atlantic Meridional Overturning Circulation
; Atlantic Ocean heat transport
; Atlantic subtropical gyre
; ocean heat content
; ocean observing system
; RAPID mooring array
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| Scopus关键词: | Atlantic meridional overturning circulations
; Atlantic Ocean
; Ocean heat content
; Ocean observing systems
; RAPID mooring array
; Subtropical Gyre
; Cooling
; Enthalpy
; Tropics
; Oceanography
; air-sea interaction
; annual variation
; cooling
; gyre
; heat transfer
; meridional circulation
; sea surface temperature
; timescale
; Atlantic Ocean
; Atlantic Ocean (Subtropical)
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| 英文摘要: | Observations show that the upper 2 km of the subtropical North Atlantic Ocean cooled throughout 2010 and remained cold until at least December 2011. We show that these cold anomalies are partly driven by anomalous air-sea exchange during the cold winters of 2009/2010 and 2010/2011 and, more surprisingly, by extreme interannual variability in the ocean's northward heat transport at 26.5°N. This cooling driven by the ocean's meridional heat transport affects deeper layers isolated from the atmosphere on annual timescales and water that is entrained into the winter mixed layer thus lowering winter sea surface temperatures. Here we connect, for the first time, variability in the northward heat transport carried by the Atlantic Meridional Overturning Circulation to widespread sustained cooling of the subtropical North Atlantic, challenging the prevailing view that the ocean plays a passive role in the coupled ocean-atmosphere system on monthly-to-seasonal timescales. Key Points The upper 2 km of the subtropical North Atlantic Ocean cooled throughout 2010 Cooling driven by a 30% reduction in meridional heat transport AMOC contributes to heat content anomalies in the seasonal mixed layer ©2013 The Authors. Geophysical Research Letters published by Wiley on behalf of the American Geophysical Union. |
| URL: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-84889971677&doi=10.1002%2f2013GL058464&partnerID=40&md5=b0ec1213a438320b975a7d78a6bf019b
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| Citation statistics: |
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| 资源类型: | 期刊论文
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| 标识符: | http://119.78.100.158/handle/2HF3EXSE/5566
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| Appears in Collections: | 气候减缓与适应
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作者单位: | Scottish Association for Marine Science, Scottish Marine Institute, Oban PA37 1QA, United Kingdom
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| Recommended Citation: | |
Cunningham S.A.,Roberts C.D.,Frajka-Williams E.,et al. Atlantic Meridional Overturning Circulation slowdown cooled the subtropical ocean[J]. Geophysical Research Letters,2013-01-01,40(23).
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