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《Journal of Anhui Agricultural Sciences》 2009-15
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Analysis on the Potentiality and Benefit of Artificial Precipitation Enhancement in Shangqiu City

SUN Jie et al (Shangqiu Meteorological Bureau,Shangqiu,Henan 476000)  
[Objective] The purpose was to analyze the distribution characteristic of water resource in the air and the potentiality and benefit of artificial precipitation enhancement in Shangqiu in spring and autumn.[Method] The potentiality and benefit of artificial precipitation enhancement in Shangiu City was studied through calculating and analyzing the water vapor contents in the sobaric surface of each standard layer of representative station.[Result] The water vapor content of Mar.was less than the half of that of May.The water vapor content of Sep.was 2-3 times of that of Nov.The water vapor content in Area 1 was reduced by 2-4 kg/m2 in comparison with Area 2.In spring,the water vapor content in the whole layer in Area 1 was 44.92 kg/m2,that in Area 2 was 56.34 kg/m2 and their difference was 11.42 kg/m2.In autumn,the water vapor content in the whole layer in Area 1 was 39.74 kg/m2,that in Area 2 was 53.25 kg/m2 and their difference was 13.51 kg/m2.The cloud height suitable for precipitation enhancement operation was 3 000-5 500 m.The precipitation enhancement potentiality of Jun. was greatest and that of Aug.was least.[Conclusion] Artificial precipitation enhancement was an effective approach for supplementing surface water resource by utilizing the water resource in the air comprehensively.
【CateGory Index】: P481
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