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高原气象 2009
Study on the Relationship between South Asia High and Rainfall of Sichuan-Chongqing Regions in Summer
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Abstract:
Using the rainfall data of Sichuan-Chongqing regions at 160 stations of China and NCEP/NCAR data,the relationships between South Asia High and rainfall of Sichuan-Chongqing regions in July and August have been analysed.The results show that both had coincident periods,such as approximate 5-year time scales,approximate 10-year time scales.At approximate 5-year time scales,both the moving eastward of ridge line of SAHand variations of east basin of Sichuan-Chongqing had opposite phases,SAH and rainfall of wes...