Enlightenment from heavy autumn rain of West China in 2017: synergic role of atmospheric circulation at mid-high latitudes and oceanic background
Enlightenment from heavy autumn rain of West China in 2017: synergic role of atmospheric circulation at mid-high latitudes and oceanic background
复制标题
2017年西部秋雨大暴雨的启示：中高纬度大气环流与海洋背景的协同作用
DOI：
10.1007/s00704-019-02809-9
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发表时间：
2019-10
影响因子：
3.4
通讯作者：
Wang Zunya
中科院分区：
文献类型：
--
作者：
Zhou Botao;Wang Zunya
Autumn rain of West China (ARWC), a typical climate phenomenon characterized by continuous rainfall, is prone to flooding and secondary disasters. The ARWC in 2017, the greatest one since the last 30 years, resulted in an economic loss of 1.9 billion dollars and serious social impacts. It is thus urgent to understand the cause for this anomaly. In this article, the atmospheric circulations affecting the 2017’s ARWC are identified. They are (1) a dipole pattern with the blocking over Europe and the trough over Lake Balkhash, which favors the southward outbreak of cold airs into West China, (2) increased water vapor transportation toward West China from the Pacific and Indian Oceans, and (3) a strengthening and northward displacement of the East Asian jet stream. The cold sea surface temperature anomaly (SSTA) in the equatorial central Pacific provides a superimposed effect. Further analysis reveals a synergic role in the interannual variability of the ARWC from the anomalies of the atmospheric circulation over Lake Balkhash and the SST in the equatorial central Pacific. The combination of anomalous trough over Lake Balkhash with cold SSTA in the equatorial central Pacific is most favorable for the increase of ARWC, while that of anomalous ridge with warm SSTA generally results in a decrease of ARWC. The combination of anomalous ridge with cold SSTA or that of anomalous trough with warm SSTA has no specific indication for ARWC anomalies.
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DOI：
--
发表时间：
2004
期刊：
Plateau Meteorology
影响因子：
--
作者：
Bai Hu-zhi
通讯作者：
Bai Hu-zhi
热带西北太平洋海表温度对西南地区秋季降水年际变化的遥相关影响
影响因子：
4.6
作者：
Wang Lin;Chen Wen;Zhou Wen;Huang Gang
通讯作者：
Huang Gang
影响因子：
5.8
作者：
Renhe Zhang;A. Sumi;M. Kimoto
通讯作者：
Renhe Zhang;A. Sumi;M. Kimoto
影响因子：
4.6
作者：
R. Wu;Bin Wang
通讯作者：
R. Wu;Bin Wang
影响因子：
--
作者：
Xiaoyan Wei;Mohit Kumar;H. Schuttelaars
通讯作者：
Xiaoyan Wei;Mohit Kumar;H. Schuttelaars