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VARIATIONS OF ATMOSPHERIC OSCILLATION FACTORS AND 500 HPA CIRCULATION PATTERNS AND THEIR RELATIONS

严华生  万云霞  程建刚  
【摘要】:正 Wavelet analysis,EOF and CCA are used to analyze the variations of atmospheric circulation factors,including the key atmospheric oscillations,W,C,E and subtropical high (SH),and their relationships.The results are shown that the variations of atmospheric circulation factors both in troposphere and lower atmosphere layer are different on different time scales.The most significant variation of atmospheric circulation factors is in the period less than 7 years.The correlation relations of atmospheric circulation factors are different on different time scales.Combination patterns of circulation factors have impact on the relationships of factors.There are lag correlations between combination patterns of circulation factors in former year and that of in next year.

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