Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1175/JCLI-D-17-0423.1 |
The Interannual Dominant Covariation Mode of Boreal Summer Monsoon Rainfall during 1979-2014 | |
Hao, Yuqian1,2,3; Liu, Boqi1,2; Zhu, Congwen1,2; Ma, Shuangmei1,2 | |
2018-06-01 | |
发表期刊 | JOURNAL OF CLIMATE
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ISSN | 0894-8755 |
EISSN | 1520-0442 |
出版年 | 2018 |
卷号 | 31期号:11页码:4193-4213 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
英文摘要 | The boreal summer monsoon (BSM), which includes the monsoons over India (IND), the western North Pacific (WNP), East Asia (EA), North America (NAM), and North Africa (NAF), shows prominent interannual variation (IAV) in summer precipitation and affects the areas with the largest populations in the world. In the present, the EOF analysis is used to extract the BSM dominant covariation mode during 1979-2014. This mode is featured by the out-of-phase rainfall IAV over the WNP compared with the other BSM members. The BSM covariation mode is closely associated with the upper- and lower-level coupled circulations, which are characterized by two anomalous zonal circulations over the tropical oceans coupled near the date line and an abnormal meridional cell over the WNP and EA regions, respectively. Furthermore, the strength of this mode depends on the phase relationship of rainfall IAV between the WNP and NAM monsoon regions, which is modulated by the seasonal evolution of ENSO events and the resultant SST anomalies (SSTAs) in the tropical Indian Ocean (TIO). The weaker mode is accompanied by the in-phase rainfall IAV between these two regions, along with the persisting ENSO events and stronger SSTAs in the TIO from winter to summer. In the years with fast-decaying ENSO events and the related weaker TIO SSTA, the out-of-phase rainfall IAV between the WNP and NAM region takes place to enhance this mode. A series of AGCM sensitivity experiments could reproduce the anomalies of atmospheric circulation related to the distinct seasonal evolution of ENSO events. |
英文关键词 | Monsoons Interannual variability |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000432380400002 |
WOS关键词 | NORTH-AMERICAN MONSOON ; TROPICAL INDIAN-OCEAN ; ASIAN-AUSTRALIAN MONSOON ; GLOBAL MONSOON ; EL-NINO ; INTERDECADAL CHANGES ; ATMOSPHERIC BRIDGE ; SNOW COVER ; VARIABILITY ; PRECIPITATION |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | 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/20918 |
专题 | 气候变化 |
作者单位 | 1.Chinese Acad Meteorol Sci, State Key Lab Severe Weather, Beijing, Peoples R China; 2.Chinese Acad Meteorol Sci, Inst Climate Syst, Beijing, Peoples R China; 3.Univ Chinese Acad Sci, Beijing, Peoples R China |
推荐引用方式 GB/T 7714 | Hao, Yuqian,Liu, Boqi,Zhu, Congwen,et al. The Interannual Dominant Covariation Mode of Boreal Summer Monsoon Rainfall during 1979-2014[J]. JOURNAL OF CLIMATE,2018,31(11):4193-4213. |
APA | Hao, Yuqian,Liu, Boqi,Zhu, Congwen,&Ma, Shuangmei.(2018).The Interannual Dominant Covariation Mode of Boreal Summer Monsoon Rainfall during 1979-2014.JOURNAL OF CLIMATE,31(11),4193-4213. |
MLA | Hao, Yuqian,et al."The Interannual Dominant Covariation Mode of Boreal Summer Monsoon Rainfall during 1979-2014".JOURNAL OF CLIMATE 31.11(2018):4193-4213. |
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