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DOI | 10.1175/JCLI-D-18-0844.1 |
Change in Relationship between the East Asian Winter Monsoon and the East Asian Jet Stream during the 1998-99 Regime Shift | |
Song, Se-Yong1; Yeh, Sang-Wook1; Park, Jae-Heung2 | |
2019-09-01 | |
发表期刊 | JOURNAL OF CLIMATE |
ISSN | 0894-8755 |
EISSN | 1520-0442 |
出版年 | 2019 |
卷号 | 32期号:18页码:6163-6175 |
文章类型 | Article |
语种 | 英语 |
国家 | South Korea |
英文摘要 | A composite analysis was conducted on the reanalysis dataset for 1979-2016, along with an idealized model experiment to show that the relationship between the East Asian jet stream (EAJS) and the East Asian winter monsoon (EAWM) is nonstationary. The relationship between EAWM and the EAJS weakened during the late 1990s. This decadal change in the EAJS-EAWM relationship was mainly due to a change in the secondary circulation across the EAJS between two contrasting periods, induced by the northward shift of the EAJS. A possible mechanism associated with the decadal change in meridional displacement of the EAJS is proposed. The enhanced convective activity in the western tropical Pacific after the late 1990s results in stronger Hadley circulation that could have contributed to the northward displacement of the Hadley circulation boundary latitude. Subsequently, this leads to the northward shift of the EAJS. Therefore, it is necessary to define a new EAJS index to account for the EAWM variability based on the change in the oceanic and atmospheric mean state across the late 1990s. |
英文关键词 | Atmospheric circulation Large-scale motions Interdecadal variability |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000482205200003 |
WOS关键词 | TROPICAL PACIFIC ; INTERDECADAL VARIATIONS ; SUMMER MONSOON ; NORTH-ATLANTIC ; CLIMATE ; SEA ; VARIABILITIES ; CIRCULATIONS ; OSCILLATION ; TEMPERATURE |
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/186788 |
专题 | 气候变化 |
作者单位 | 1.Hanyang Univ, Dept Marine Sci & Convergence Technol, Ansan, South Korea; 2.Pohang Univ Sci & Technol POSTECH, Div Environm Sci & Engn, Pohang, South Korea |
推荐引用方式 GB/T 7714 | Song, Se-Yong,Yeh, Sang-Wook,Park, Jae-Heung. Change in Relationship between the East Asian Winter Monsoon and the East Asian Jet Stream during the 1998-99 Regime Shift[J]. JOURNAL OF CLIMATE,2019,32(18):6163-6175. |
APA | Song, Se-Yong,Yeh, Sang-Wook,&Park, Jae-Heung.(2019).Change in Relationship between the East Asian Winter Monsoon and the East Asian Jet Stream during the 1998-99 Regime Shift.JOURNAL OF CLIMATE,32(18),6163-6175. |
MLA | Song, Se-Yong,et al."Change in Relationship between the East Asian Winter Monsoon and the East Asian Jet Stream during the 1998-99 Regime Shift".JOURNAL OF CLIMATE 32.18(2019):6163-6175. |
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