Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1175/JCLI-D-16-0422.1 |
Interdecadal Changes in the Relationship between ENSO, EAWM, and the Wintertime Precipitation over China at the End of the Twentieth Century | |
Jia, Xiaojing; Ge, Jingwen | |
2017-03-01 | |
发表期刊 | JOURNAL OF CLIMATE |
ISSN | 0894-8755 |
EISSN | 1520-0442 |
出版年 | 2017 |
卷号 | 30期号:6 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
英文摘要 | The current study investigates the interdecadal changes in the relationship between the winter precipitation anomalies in southeastern China, El Nino-Southern Oscillation (ENSO), and the East Asian winter monsoon (EAWM) at the end of the twentieth century. It appears that the relationships between the interannual variability of the southeastern China winter precipitation and ENSO as well as EAWM are obviously weakened after 1998/99. The possible mechanisms accounting for this interdecadal change in the relationship have been examined by dividing the data into two subperiods [1980-98 (P1) and 1999-2015 (P2)]. The results indicate that, without the linear contribution of EAWM, ENSO only play a limited role in the variability of winter precipitation in southeastern China in both subperiods. In contrast, in P1, corresponding to an ENSO-independent weaker-than-normal EAWM, anomalous southerlies along coastal southeastern China associated with an anticyclone over the northwestern Pacific transport water vapor to China. However, in P2 the impact of EAWM on winter precipitation in southeastern China is weakened because of the regime shift of EAWM. The EAWM-related positive SLP anomalies over the North Pacific move eastward in P2, causing an eastward migration of the associated anomalous southerlies along its western flank and therefore cannot significantly contribute to the positive winter precipitation anomalies in southeastern China. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000395765900004 |
WOS关键词 | WESTERN NORTH PACIFIC ; EL-NINO ; INTERANNUAL VARIABILITY ; SUMMER MONSOON ; IMPACT ; TEMPERATURE ; ANOMALIES ; RAINFALL ; ROLES ; MODES |
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/19926 |
专题 | 气候变化 |
作者单位 | Zhejiang Univ, Sch Earth Sci, Hangzhou, Zhejiang, Peoples R China |
推荐引用方式 GB/T 7714 | Jia, Xiaojing,Ge, Jingwen. Interdecadal Changes in the Relationship between ENSO, EAWM, and the Wintertime Precipitation over China at the End of the Twentieth Century[J]. JOURNAL OF CLIMATE,2017,30(6). |
APA | Jia, Xiaojing,&Ge, Jingwen.(2017).Interdecadal Changes in the Relationship between ENSO, EAWM, and the Wintertime Precipitation over China at the End of the Twentieth Century.JOURNAL OF CLIMATE,30(6). |
MLA | Jia, Xiaojing,et al."Interdecadal Changes in the Relationship between ENSO, EAWM, and the Wintertime Precipitation over China at the End of the Twentieth Century".JOURNAL OF CLIMATE 30.6(2017). |
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