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DOI | 10.1088/1748-9326/ab8093 |
Interdecadal variability of tropical cyclone genesis frequency in western North Pacific and South Pacific ocean basins | |
Shan, Kaiyue; Yu, Xiping | |
2020-06-01 | |
发表期刊 | ENVIRONMENTAL RESEARCH LETTERS |
ISSN | 1748-9326 |
出版年 | 2020 |
卷号 | 15期号:6 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
英文摘要 | Variability of tropical cyclone (TC) genesis frequency in the western North Pacific and South Pacific ocean basins in the interdecadal scale is studied. It is demonstrated that the TC genesis frequency in these ocean basins experienced an abrupt decrease near the end of the 20th century. The decreased occurrence of TC genesis in the two recent decades is mainly located in the low-latitude regions at the eastern side of the two ocean basins. It is also shown that a significant part of the decreased TC genesis occurred during October to December, i.e. the post-peak season in the western North Pacific ocean basin and the pre-peak season in the South Pacific ocean basin. The interdecadal trend of variation in the TC genesis frequency in these adjacent two ocean basins seems to be mainly due to a common mechanism, i.e. the variation in the atmospheric vorticity. In contrast to the decrease in the total TC genesis, the intense typhoon occurrence frequency experienced an interdecadal increase during the same period. This trend for intense typhoons is particularly clear in the western North Pacific ocean basin. The zonal distribution of the increased number in the intense typhoon occurrence shows a similar pattern to the increased value of the sea surface temperature. It is then suggested that the variation in the intense typhoon occurrence frequency in the western North Pacific ocean basin is related to a change in the La Nina-like sea surface warming pattern. |
英文关键词 | tropical cyclone genesis frequency interdecadal variability regional and seasonal variations environmental factors intense typhoon |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000540840100001 |
WOS关键词 | TYPHOON ACTIVITY ; ABRUPT DECREASE ; POTENTIAL INDEX ; EVENTS ; INTENSITY ; MONSOON |
WOS类目 | Environmental Sciences ; Meteorology & Atmospheric Sciences |
WOS研究方向 | Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences |
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/289345 |
专题 | 气候变化 |
作者单位 | Tsinghua Univ, State Key Lab Hydrosci & Engn, Dept Hydraul Engn, Beijing, Peoples R China |
推荐引用方式 GB/T 7714 | Shan, Kaiyue,Yu, Xiping. Interdecadal variability of tropical cyclone genesis frequency in western North Pacific and South Pacific ocean basins[J]. ENVIRONMENTAL RESEARCH LETTERS,2020,15(6). |
APA | Shan, Kaiyue,&Yu, Xiping.(2020).Interdecadal variability of tropical cyclone genesis frequency in western North Pacific and South Pacific ocean basins.ENVIRONMENTAL RESEARCH LETTERS,15(6). |
MLA | Shan, Kaiyue,et al."Interdecadal variability of tropical cyclone genesis frequency in western North Pacific and South Pacific ocean basins".ENVIRONMENTAL RESEARCH LETTERS 15.6(2020). |
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