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DOI | 10.1002/joc.4947 |
Variability in zonal location of winter East Asian jet stream | |
Wu, Sha1,4; Sun, Jianqi1,2,3 | |
2017-08-01 | |
发表期刊 | INTERNATIONAL JOURNAL OF CLIMATOLOGY
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ISSN | 0899-8418 |
EISSN | 1097-0088 |
出版年 | 2017 |
卷号 | 37期号:10 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
英文摘要 | This study reveals that the winter East Asian jet stream (EAJS) shows a strong variability in its zonal location; this topic has received less attention compared with the EAJS intensity and meridional location variability in previous studies. We show that the mid-to-high latitude climate system is mainly responsible for the EAJS eastward shift and the tropical system is closely related with the EAJS westward shift. In the EAJS east-located years, North Pacific Oscillation undergoes a positive phase, which can enhance the eastern part of the EAJS over the North Pacific, favouring the eastward shift of the EAJS. In the west-located years, the tropical convection over the Indian Ocean is strong, which can strengthen the zonal angular momentum transport from the Tropics to subtropical westerly belt. Consequently, the western part of the EAJS enhances and the EAJS shifts westward. In addition, the east-located EAJS is related to the intensified Aleutian Low and East Asian trough, and thus, Northeast China, Korean Peninsula, and Japan experience low temperatures. On the other hand, the west-located EAJS is associated with the weakened mid-Asian ridge and cold-temperature advection over southern East Asia, and thus, regions from mid-Asia southeastward to southern China experience cold temperatures. Therefore, the zonal location of the EAJS is a potentially good index of the northern or southern East Asian anomalous temperature pattern. |
英文关键词 | East Asian jet stream East Asian trough mean meridional circulation North Pacific Oscillation surface air temperature East Asian winter monsoon |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000406706200001 |
WOS关键词 | SEA-SURFACE TEMPERATURES ; SUBTROPICAL WESTERLY JET ; SUMMER MONSOON ; NORTH PACIFIC ; DIFFERENT CONFIGURATIONS ; NCEP/NCAR REANALYSIS ; SEASONAL-VARIATION ; ATMOSPHERE ; OCEAN ; ANOMALIES |
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/36829 |
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.Chengdu Univ Informat Technol, Joint Lab Climate & Environm Change, Chengdu, Sichuan, Peoples R China; 3.Nanjing Univ Informat Sci & Technol, Collaborat Innovat Ctr Forecast & Evaluat Meteoro, Nanjing, Jiangsu, Peoples R China; 4.Univ Chinese Acad Sci, Beijing, Peoples R China |
推荐引用方式 GB/T 7714 | Wu, Sha,Sun, Jianqi. Variability in zonal location of winter East Asian jet stream[J]. INTERNATIONAL JOURNAL OF CLIMATOLOGY,2017,37(10). |
APA | Wu, Sha,&Sun, Jianqi.(2017).Variability in zonal location of winter East Asian jet stream.INTERNATIONAL JOURNAL OF CLIMATOLOGY,37(10). |
MLA | Wu, Sha,et al."Variability in zonal location of winter East Asian jet stream".INTERNATIONAL JOURNAL OF CLIMATOLOGY 37.10(2017). |
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