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Journal of Northern Agriculture ›› 2016, Vol. 44 ›› Issue (5): 102-102.

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Spring precipitation in northwest arid area and its relationship with atmospheric circulation

LIAO Jingjing1,CUI Xiulai2,SUN Yao2,LIU Chuang3,ZHANG Fengming4（1.Meteorological Bureau of Huludao City in Liaoning Province, Huludao 125000, China; 2.Meteorological Bureau of Yingkou City in Liaoning Province,Yingkou 115000,China; 3.Meteorological Bureau of Benxi City in Liaoning Province, Benxi 117000,China; 4.Meteorological Bureau of Chaoyang County in Liaoning Province,Chaoyang 122000,China）   

  • Online:2016-10-20 Published:2016-10-20

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Abstract: Using 1979—2008 GPCP global monthly precipitation data and NCEP/NCAR reanalysis data,and using synthesis and correlation analysis and other statistical methods to analyze the northwest arid area for nearly 30 years with spring rainfall characteristics,height fields and horizontal wind field associated distribution. The results showed that northwest arid area in nearly 30 years of spring precipitation increasing trend;200 hpa zonal wind,and South East Asian trough northwest arid area of high pressure on spring precipitation have a major impact.

CLC Number: 

  • P333
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