Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1002/2017GL075817 |
Feedback of Atmosphere-Ocean Coupling on Shifts of the Intertropical Convergence Zone | |
Schneider, Tapio1,2 | |
2017-11-28 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS
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ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2017 |
卷号 | 44期号:22 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | It is well known that the Intertropical Convergence Zone (ITCZ) shifts in response to remote perturbations in the atmospheric energy balance, with shifts roughly in proportion to changes in the cross-equatorial atmospheric energy flux. However, atmospheric and oceanic energy fluxes in low latitudes are mechanically coupled, and the oceanic energy flux dominates the atmospheric energy flux. Here a quantitative framework is derived that shows how Ekman coupling of atmospheric and oceanic energy fluxes damps the perturbation response of the atmospheric energy flux, energy flux equator (EFE), and ITCZ. To first order, Ekman coupling alone mutes the response of EFE and ITCZ in the coupled atmosphere-ocean system by a factor gamma = 1 + O-0/NEI0, where O-0 is the ocean energy uptake and NEI0 is the net energy input into the atmosphere at the equator. In the current climate in the zonal and annual mean, this factor is about gamma approximate to 3. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000419102300048 |
WOS关键词 | MEDIATED REGIME TRANSITIONS ; ENERGY FLUX EQUATOR ; HEAT-TRANSPORT ; INTERANNUAL VARIATIONS ; GENERAL-CIRCULATION ; HADLEY CIRCULATIONS ; TROPICAL RAINFALL ; SEASONAL CYCLE ; ITCZ LOCATION ; PART II |
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/27518 |
专题 | 气候变化 |
作者单位 | 1.CALTECH, Pasadena, CA 91125 USA; 2.CALTECH, Jet Prop Lab, Pasadena, CA 91125 USA |
推荐引用方式 GB/T 7714 | Schneider, Tapio. Feedback of Atmosphere-Ocean Coupling on Shifts of the Intertropical Convergence Zone[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(22). |
APA | Schneider, Tapio.(2017).Feedback of Atmosphere-Ocean Coupling on Shifts of the Intertropical Convergence Zone.GEOPHYSICAL RESEARCH LETTERS,44(22). |
MLA | Schneider, Tapio."Feedback of Atmosphere-Ocean Coupling on Shifts of the Intertropical Convergence Zone".GEOPHYSICAL RESEARCH LETTERS 44.22(2017). |
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