globalchange  > 过去全球变化的重建
DOI: 10.1007/s00382-014-2194-5
Scopus记录号: 2-s2.0-84939889933
论文题名:
The western Pacific subtropical high after the 1970s: westward or eastward shift?
作者: Huang Y.; Wang H.; Fan K.; Gao Y.
刊名: Climate Dynamics
ISSN: 9307575
出版年: 2015
卷: 44, 期:2017-07-08
起始页码: 2035
结束页码: 2047
语种: 英语
英文关键词: East Asian summer monsoon ; Interdecadal variation ; Western Pacific subtropical high
英文摘要: The interdecadal variation of the western Pacific subtropical high (WPSH) in summer (June–July–August) during 1979–2009 relative to 1948–1978 was investigated based upon NCEP–NCAR reanalysis data. Since the WPSH appeared to be much more stable and stronger in the lower troposphere compared to the middle troposphere and had great influences on the East Asian summer climate with the lower-level southerlies or southwesterlies at its western and southern edge, the interdecadal changes of the WPSH at low levels were examined in this study. Over the area of interest (~15°–30°N, 120°–150°E), the 850-hPa anticyclone circulation was weakened, the sea level pressure decreased, the relative vorticity at middle and lower levels (1,000–600 hPa) increased, and the maximum meridional wind at each latitude (between 17.5° and 32.5°N) moved eastward. All the above decadal variations suggested that the WPSH recessed eastward during 1979–2009 relative to 1948–1978, which can be displayed in the 850-hPa eddy geopotential height field. In association with the eastward recession of the WPSH, the water vapor transport from the Indian summer monsoon played a more important role in the summer precipitation over the middle and lower reaches of the Yangtze River valley during 1979–2009 relative to 1948–1978. © 2014, Springer-Verlag Berlin Heidelberg.
资助项目: NSFC, National Natural Science Foundation of China ; NSFC, National Natural Science Foundation of China ; CAS, National Natural Science Foundation of China
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被引频次[WOS]:92   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/54198
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作者单位: Nansen-Zhu International Research Centre, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China; University of Chinese Academy of Sciences, Beijing, China; Climate Change Research Center, Chinese Academy of Sciences, Beijing, China; Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, Nanjing University of Information Science & Technology, Nanjing, China; Nansen Environmental and Remote Sensing Center, Bergen, Norway

Recommended Citation:
Huang Y.,Wang H.,Fan K.,et al. The western Pacific subtropical high after the 1970s: westward or eastward shift?[J]. Climate Dynamics,2015-01-01,44(2017-07-08)
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