ISSN 1000-0526
CN 11-2282/P
CN 11-2282/P
General Atmospheric Circulation Anomaly in 1998and Their Impact on Climate Anomaly in China
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Abstract:
Because of influence of the ENSO and more snow cover over Tibetan Plateau in winter and spring on general circulation over the Northern Hemisphere in 1998,the dominant anomaly has been charaterized by the subtropical high over the west Pacific and it is very stronger,and at the same time moves southward in summer.Monsoon over China Sea is weaker and begins later one week than normal.ITCZ over the west Pacific is also weaker than normal so that outgrowth and landing typhoon and tropical storms are so less than normal.At 500hPa,zonal circulation is dominant in the middle latitude of Asia in spring,autumn and winter,but the meridinal circulation is strengthened in summer.These may be the main reasons that influence climate anomaly in China in 1998.
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