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DOI | 10.1002/2017GL075786 |
Dominating Roles of Ice Sheets and Insolation in Variation of Tropical Cyclone Genesis Potential Over the North Atlantic During the Last 21,000 Years | |
Yan, Qing1,2; Zhang, Zhongshi3,4 | |
2017-10-28 | |
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:20 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China; Norway |
英文摘要 | To advance our knowledge on tropical cyclone (TC)'s sensitivity to various external forcings, we investigate evolution of TC genesis potential over the North Atlantic during the last 21,000 years that experienced more varied forcings than present-day using transient simulations. Abrupt large amplitude of fluctuations in genesis potential during the studied period was dominated by meltwater discharge, whereas insolation controlled the long-term trend. Increased (decreased) meltwater discharge from Northern Hemisphere ice sheets leads to detrimental (conducive) conditions for genesis via altering the Atlantic Meridional Overturning Circulation and hence three-dimensional temperature structure and Hadley circulation. This effect is larger than the orographic effect of retreated ice sheets that favors TC formation. Decreasing (increasing) insolation broadly results in more (less) favorable conditions for genesis arising from larger (smaller) local vertical temperature contrast and stronger (weaker) meridional circulation. Our study highlights potential changes of ice sheets and insolation in affecting future long-term TC activity. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000416761600063 |
WOS关键词 | GLACIAL MAXIMUM ; HOLOCENE EPOCH ; CMIP5 MODELS ; CLIMATE ; SIMULATIONS ; VARIABILITY ; INTENSITY ; 21ST-CENTURY ; FREQUENCY ; DEGLACIATION |
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/27772 |
专题 | 气候变化 |
作者单位 | 1.Chinese Acad Sci, Inst Atmospher Phys, Nansen Zhu Int Res Ctr, Beijing, Peoples R China; 2.Nanjing Univ Informat Sci & Technol, Collaborat Innovat Ctr Forecast & Evaluat Meteoro, Key Lab Meteorol Disaster, Nanjing, Jiangsu, Peoples R China; 3.China Univ Geosci, Sch Environm Studies, Dept Atmospher Sci, Wuhan, Hubei, Peoples R China; 4.Bjerknes Ctr Climate Res, Uni Res Climate, Bergen, Norway |
推荐引用方式 GB/T 7714 | Yan, Qing,Zhang, Zhongshi. Dominating Roles of Ice Sheets and Insolation in Variation of Tropical Cyclone Genesis Potential Over the North Atlantic During the Last 21,000 Years[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(20). |
APA | Yan, Qing,&Zhang, Zhongshi.(2017).Dominating Roles of Ice Sheets and Insolation in Variation of Tropical Cyclone Genesis Potential Over the North Atlantic During the Last 21,000 Years.GEOPHYSICAL RESEARCH LETTERS,44(20). |
MLA | Yan, Qing,et al."Dominating Roles of Ice Sheets and Insolation in Variation of Tropical Cyclone Genesis Potential Over the North Atlantic During the Last 21,000 Years".GEOPHYSICAL RESEARCH LETTERS 44.20(2017). |
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