globalchange  > 气候减缓与适应
DOI: 10.1002/2013GL058104
论文题名:
Sea level changes forced by Southern Ocean winds
作者: Frankcombe L.M.; Spence P.; Hogg A.M.; England M.H.; Griffies S.M.
刊名: Geophysical Research Letters
ISSN: 0094-8397
EISSN: 1944-8128
出版年: 2013
卷: 40, 期:21
起始页码: 5710
结束页码: 5715
语种: 英语
英文关键词: regional sea level ; sea level ; Southern Annular Mode ; Southern Ocean
Scopus关键词: Antarctic Circumpolar Currents ; Dynamical response ; Global mean sea levels ; Ocean heat content ; Overturning circulation ; Southern Annular Mode ; Southern Hemisphere ; Southern ocean ; Ocean currents ; Wind ; Sea level ; atmospheric forcing ; continental margin ; eddy ; oceanic circulation ; sea level change ; Southern Hemisphere ; wind velocity ; Southern Ocean
英文摘要: On regional scales, changes in sea level are significantly affected by local dynamical changes. Westerly winds over the Southern Ocean have been strengthening and shifting southward in recent decades, and this change is projected to continue in the future. This study applies wind forcing anomalies to an eddy-permitting ocean model to study the dynamical response to a Southern Hemisphere westerly wind increase and/or southward shift. It is shown that the applied wind anomalies result in a change in sea surface slope across the Antarctic Circumpolar Current such that a fall in sea level occurs around the Antarctic continental margin. The Antarctic Circumpolar Current transport and regional sea level are particularly sensitive to latitudinal shifts in the wind, with a much more muted response found when only wind strengthening is applied. In addition to the local sea level changes, Southern Ocean winds also have a global effect through changing ocean heat content and the global overturning circulation. Key Points Poleward intensifying Southern Ocean winds cause sea level fall near Antarctica The sea level fall around Antarctica is due to a change in SSH across the ACC Southern Ocean winds also effect ocean heat uptake and global mean sea level ©2013. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84887197396&doi=10.1002%2f2013GL058104&partnerID=40&md5=5143876f67ec5d4552d4d5593af8d3d7
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/5661
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作者单位: ARC Centre of Excellence for Climate System Science, Australia

Recommended Citation:
Frankcombe L.M.,Spence P.,Hogg A.M.,et al. Sea level changes forced by Southern Ocean winds[J]. Geophysical Research Letters,2013-01-01,40(21).
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