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DOI | 10.1007/s00382-017-3960-y |
Interdecadal changes in winter surface air temperature over East Asia and their possible causes | |
Yun, Junghee1; Ha, Kyung-Ja1; Jo, Young-Heon2 | |
2018-08-01 | |
发表期刊 | CLIMATE DYNAMICS |
ISSN | 0930-7575 |
EISSN | 1432-0894 |
出版年 | 2018 |
卷号 | 51期号:4页码:1375-1390 |
文章类型 | Article |
语种 | 英语 |
国家 | South Korea |
英文摘要 | Using ensemble empirical mode decomposition (EEMD) for detecting the interdecadal changes in the East Asian winter monsoon (EAWM), this study identifies that the intensity of the EAWM experienced remarkable transition around mid-1980s and late 2000s: a strong period (P1, 1960-1986), a weak period (P2, 1987-2007), and a strong period (P3, 2008-2015). A distinctive cold (warm) surface temperature anomaly is found over the Eurasian continent including East Asia, and cold (warm) sea surface temperature (SST) anomalies are present over the North Pacific (NP) during P1 (P2). In contrast with P1, the EAWM is characterized by a large temperature difference between Eurasian continent and NP, and a negative Pacific Decadal Oscillation (PDO)-like SST anomaly pattern is found over the NP during P3. During three periods, the Siberian high (SH) plays an important role in deciding the intensity of the EAWM. In addition, the EAWM exists under the influence of an enhanced atmospheric circulation associated with a positive North Pacific Oscillation (NPO) and a negative PDO during P2 and P3, respectively. Accordingly, to recognize the relative importance of each combined effect which it differs for times, the combined effect of SH and NPO (SH and PDO) variability on the weakening (strengthening) EAWM is explored during P1 and P2 (P2 and P3). Consequently, while the atmospheric variabilities of SH and NPO bring about the weakening of EAWM after the mid-1980s, the SST variability related to PDO with the SH variabilty is involved in the strengthening of EAWM in recent decade. |
英文关键词 | East Asian winter monsoon Ensemble empirical mode decomposition Siberian high North Pacific Oscillation Pacific Decadal Oscillation |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000439440200007 |
WOS关键词 | EMPIRICAL MODE DECOMPOSITION ; WESTERN NORTH PACIFIC ; LAND-USE CHANGE ; ATMOSPHERIC CIRCULATION ; LATE 1980S ; DECADAL OSCILLATION ; ARCTIC OSCILLATION ; SST ANOMALIES ; REGIME SHIFTS ; MONSOON |
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/36278 |
专题 | 气候变化 |
作者单位 | 1.Pusan Natl Univ, Dept Atmospher Sci, Busan 46241, South Korea; 2.Pusan Natl Univ, Dept Oceanog, Busan 46241, South Korea |
推荐引用方式 GB/T 7714 | Yun, Junghee,Ha, Kyung-Ja,Jo, Young-Heon. Interdecadal changes in winter surface air temperature over East Asia and their possible causes[J]. CLIMATE DYNAMICS,2018,51(4):1375-1390. |
APA | Yun, Junghee,Ha, Kyung-Ja,&Jo, Young-Heon.(2018).Interdecadal changes in winter surface air temperature over East Asia and their possible causes.CLIMATE DYNAMICS,51(4),1375-1390. |
MLA | Yun, Junghee,et al."Interdecadal changes in winter surface air temperature over East Asia and their possible causes".CLIMATE DYNAMICS 51.4(2018):1375-1390. |
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