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人工影响积雨云机制的数值研究
Numerical Study on Mechanism of Artificial Modification of Cumulonimbus Clouds
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摘要: 本文用一维时变积雨云模式对一块积雨云进行了播撒人工冰晶或水滴的多种数值试验，得到了增加降水或减轻冰雹灾害等效果。对各种催化方法的作用作了分析对比，并得出人工催化可能改变降水元形成的主导微物理过程。Abstract: A series of numerical experiments have been done to test the seeding effect of artificial icecristals or raindrop embryos using a one-dimentional time dependent cumulonimbus cloud model. Some effects of precipitation enhancement or hail reduction are achieved by seeding in different cases. Analysis results show that the artificial modification can change the leading microphysical process of precipitation element formation.
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