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DOI | 10.1007/s00382-016-3466-z |
Intraseasonal oscillations in East Asian and South Asian monsoons | |
Krishnamurthy, V. | |
2018-12-01 | |
发表期刊 | CLIMATE DYNAMICS |
ISSN | 0930-7575 |
EISSN | 1432-0894 |
出版年 | 2018 |
卷号 | 51页码:4185-4205 |
文章类型 | Article;Proceedings Paper |
语种 | 英语 |
国家 | USA |
英文摘要 | This study has investigated the relation between the East Asian monsoon and the South Asian monsoon at intraseasonal time scale during the boreal summer. Applying a data adaptive method on daily anomalies of precipitation, two leading intraseasonal oscillations (ISOs) were extracted separately in the regions of South Asia, tropical East Asia and subtropical East Asia. The first ISO has a period of about 45days and propagates northward and eastward over the South Asian and tropical East Asian regions. The second ISO, with a period of about 26days, propagates northeastward over South Asia and northwestward over tropical East Asia. Although both the ISOs are also present over the subtropical East Asia, the variance is low while no propagation is evident. The circulation patterns associated with the ISOs were found to be consistent with the corresponding precipitation patterns of the ISOs. The two ISOs also reveal consistency with the space-time evolution of diabatic heating, convection, vertical motion, upper-level divergence and moisture transport. The zonal and meridional propagation of the ISOs provide a strong link between the South Asian monsoon and East Asian monsoon regions. The subtropical East Asian region seems to have a weaker link with the other monsoon regions. |
英文关键词 | East Asian monsoon South Asian monsoon Intraseasonal oscillations Zonal and meridional propagation |
领域 | 气候变化 |
收录类别 | SCI-E ; ISTP |
WOS记录号 | WOS:000451725600016 |
WOS关键词 | WESTERN NORTH PACIFIC ; INDIAN MONSOON ; SUMMER MONSOON ; BOREAL SUMMER ; CHINA SEA ; VARIABILITY ; RAINFALL ; PROPAGATION ; CONVECTION ; PATTERNS |
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/36397 |
专题 | 气候变化 |
作者单位 | George Mason Univ, Ctr Ocean Land Atmosphere Studies, MS 6C5,Res Hall,4400 Univ Dr, Fairfax, VA 22030 USA |
推荐引用方式 GB/T 7714 | Krishnamurthy, V.. Intraseasonal oscillations in East Asian and South Asian monsoons[J]. CLIMATE DYNAMICS,2018,51:4185-4205. |
APA | Krishnamurthy, V..(2018).Intraseasonal oscillations in East Asian and South Asian monsoons.CLIMATE DYNAMICS,51,4185-4205. |
MLA | Krishnamurthy, V.."Intraseasonal oscillations in East Asian and South Asian monsoons".CLIMATE DYNAMICS 51(2018):4185-4205. |
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