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《Journal of Anhui Agricultural Sciences》 2009-06
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Analysis on Contemporaneous Circulation Features of Temperature Abnormality in April in South Xinjiang

PENG Jiang-liang et al(Weather Bureau of Kuche County,Kuche,Xinjiang 842000)  
Using temperature data of 1961-2005 from 14 stations in south Xinjiang to reanalyze the mean height,temperature and wind field data with NCEP/NCAR,the anomaly distribution characteristics of monthly mean circulation abnormality,height,temperature in contemporaneous month with 500 hPa in the year with extremely low(high) temperature in April in south Xinjiang were analyzed.The results showed that at different position of 500 hPa pressure ridge in April,the meridional circulation was abnormal,the spatial distribution of height field and wind field anomaly and the vertical distribution of height and temperature anomaly of east and west had significant difference with 65°E as boundary.
【Fund】: 国家自然科学基金重点项目(NSFC40333027)资助
【CateGory Index】: S161
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