Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2019GL082969 |
Controls on the Width of Tropical Precipitation and Its Contraction Under Global Warming | |
Donohoe, A.1; Atwood, A. R.2; Byrne, M. P.3,4 | |
2019-08-28 | |
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:16页码:9958-9967 |
文章类型 | Article |
语种 | 英语 |
国家 | USA; Scotland; England |
英文摘要 | Climate models robustly and unanimously simulate narrowing of the intense tropical precipitation under greenhouse gas forcing. We argue that the meridional width of tropical precipitation is controlled by the seasonal meridional range of the Intertropical Convergence Zone (ITCZ). The contraction of tropical precipitation under greenhouse forcing results from a reduced seasonal range of ITCZ migration. An energetic theory-similar to the energetic theory for ITCZ shifts based on the hemispheric contrast of energy input to the atmosphere-is developed. The meridional width of tropical precipitation is proportional to the seasonal range of the interhemispheric contrast in atmospheric heating divided by the efficiency of atmospheric cross-equatorial heat transport. Climate models are biased toward overly expansive tropical precipitation resulting from an exaggerated seasonal atmospheric heating. The robust contraction of tropical precipitation under global warming results from increased efficiency of interhemispheric energy transport consistent with enhanced gross moist stability of the tropical atmosphere. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000490966700071 |
WOS关键词 | INTERTROPICAL CONVERGENCE ZONE ; HEAT-TRANSPORT ; IDEALIZED SIMULATIONS ; ENERGY-TRANSPORT ; SEASONAL CYCLE ; ITCZ LOCATION ; CIRCULATION ; OCEAN ; RAINFALL ; POSITION |
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/186281 |
专题 | 气候变化 |
作者单位 | 1.Univ Washington, Appl Phys Lab, Polar Sci Ctr, Seattle, WA 98105 USA; 2.Florida State Univ, Dept Earth Ocean & Atmospher Sci, Tallahassee, FL 32306 USA; 3.Univ St Andrews, Sch Earth & Environm Sci, St Andrews, Fife, Scotland; 4.Univ Oxford, Dept Phys, Oxford, England |
推荐引用方式 GB/T 7714 | Donohoe, A.,Atwood, A. R.,Byrne, M. P.. Controls on the Width of Tropical Precipitation and Its Contraction Under Global Warming[J]. GEOPHYSICAL RESEARCH LETTERS,2019,46(16):9958-9967. |
APA | Donohoe, A.,Atwood, A. R.,&Byrne, M. P..(2019).Controls on the Width of Tropical Precipitation and Its Contraction Under Global Warming.GEOPHYSICAL RESEARCH LETTERS,46(16),9958-9967. |
MLA | Donohoe, A.,et al."Controls on the Width of Tropical Precipitation and Its Contraction Under Global Warming".GEOPHYSICAL RESEARCH LETTERS 46.16(2019):9958-9967. |
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