黄美元,洪延超,徐华英,周恒. 1987. 层状云对积云发展和降水的影响——一种云与云之间影响的数值模拟[J]. 气象学报, 45(1):72-77, doi:10.11676/qxxb1987.009
层状云对积云发展和降水的影响——一种云与云之间影响的数值模拟
THE EFFECTS OF THE EXISTENCE OF STRATIFORM CLOUD ON THE DEVELOPMENT OF CUMULUS CLOUD AND ITS PRECIPITATION
投稿时间:1985-04-11  修订日期:1985-09-10
DOI:10.11676/qxxb1987.009
中文关键词:  
英文关键词:
基金项目:
作者单位
黄美元 中国科学院大气物理研究所 
洪延超 中国科学院大气物理研究所 
徐华英 中国科学院大气物理研究所 
周恒 中国科学院大气物理研究所 
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中文摘要:
      利用我们已建立的二维积云降水模式,在相同的大气层结条件下,模拟了孤立积云和层状云中积云的发展和降水情况。结果表明,层状云的存在对积云的发展有显著的促进作用,降水量可加大到几到几十倍,从而认为积层混合云系可能是产生大雨和暴雨的一种重要机构,这与梅雨锋里锋区混合云系常产生暴雨的观测事实比较符合。
英文摘要:
      Aased on the two-dementional slab-symmetric model of cumulus cloud given by the authors, the develoFment of cumulus cloud and its precipitation in environments with and without stratiform cloud has simulated numerically in the nearly same atmospheric stratification. The results show that the existence of stratiform cloud has significant effect on the development of cumulus cloud and the increase of its precipitation. The rainfall may increase for several to tem times. It is belived that the convective-stratiform mixed cloud system may be important for producing heavy rainfall which fact has been observed in Mei-yu frontal cloud system in recent investigation.
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