Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2019GL082758 |
Eddy Compensation Dampens Southern Ocean Sea Surface Temperature Response to Westerly Wind Trends | |
Doddridge, Edward W.1; Marshall, John1; Song, Hajoon2; Campin, Jean-Michel1; Kelley, Maxwell3; Nazarenko, Larissa3 | |
2019-04-28 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS
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ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2019 |
卷号 | 46期号:8页码:4365-4377 |
文章类型 | Article |
语种 | 英语 |
国家 | USA; South Korea |
英文摘要 | Anthropogenic influences have led to a strengthening and poleward shift of westerly winds over the Southern Ocean, especially during austral summer. We use observations, an idealized eddy-resolving ocean sea ice channel model, and a global coupled model to explore the Southern Ocean response to a step change in westerly winds. Previous work hypothesized a two time scale response for sea surface temperature. Initially, Ekman transport cools the surface before sustained upwelling causes warming on decadal time scales. The fast response is robust across our models and the observations: We find Ekman-driven cooling in the mixed layer, mixing-driven warming below the mixed layer, and a small upwelling-driven warming at the temperature inversion. The long-term response is inaccessible from observations. Neither of our models shows a persistent upwelling anomaly, or long-term, upwelling-driven subsurface warming. Mesoscale eddies act to oppose the anomalous wind-driven upwelling, through a process known as eddy compensation, thereby preventing long-term warming. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000467949200033 |
WOS关键词 | MERIDIONAL OVERTURNING CIRCULATION ; STRATOSPHERIC OZONE ; TRANSIENT-RESPONSE ; FINITE-VOLUME ; ANNULAR MODE ; ICE RESPONSE ; EDDIES ; CHEMISTRY ; REPRESENTATION ; CONFIGURATION |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
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/182520 |
专题 | 气候变化 |
作者单位 | 1.MIT, Earth Atmospher & Planetary Sci, 77 Massachusetts Ave, Cambridge, MA 02139 USA; 2.Yonsei Univ, Dept Atmospher Sci, Seoul, South Korea; 3.NASA, Goddard Inst Space Studies, New York, NY 10025 USA |
推荐引用方式 GB/T 7714 | Doddridge, Edward W.,Marshall, John,Song, Hajoon,et al. Eddy Compensation Dampens Southern Ocean Sea Surface Temperature Response to Westerly Wind Trends[J]. GEOPHYSICAL RESEARCH LETTERS,2019,46(8):4365-4377. |
APA | Doddridge, Edward W.,Marshall, John,Song, Hajoon,Campin, Jean-Michel,Kelley, Maxwell,&Nazarenko, Larissa.(2019).Eddy Compensation Dampens Southern Ocean Sea Surface Temperature Response to Westerly Wind Trends.GEOPHYSICAL RESEARCH LETTERS,46(8),4365-4377. |
MLA | Doddridge, Edward W.,et al."Eddy Compensation Dampens Southern Ocean Sea Surface Temperature Response to Westerly Wind Trends".GEOPHYSICAL RESEARCH LETTERS 46.8(2019):4365-4377. |
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