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首页> 外文期刊>Atmospheric and oceanic science letters >Impacts of Two Ice Parameterization Schemes on the Cloud Microphysical Processes and Precipitation of a Severe Storm in Northern China
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Impacts of Two Ice Parameterization Schemes on the Cloud Microphysical Processes and Precipitation of a Severe Storm in Northern China

机译：两种冰参数化方案对中国北方云微物理过程和一次强暴雨的影响

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摘要

A severe storm that occurred over Beijing in northern China on 23 June 2011 was simulated with two different ice crystal parameterization schemes (the De-Mott scheme and Meyers scheme) by using the Regional Atmospheric Modeling System. Compared with the DeMott scheme, the simulation results with the Meyers scheme have the following characteristics: (1) Updrafts are stronger and more numerous; (2) The cloud is better organized and contains a greater peak of ice-phase hydrometeor mixing ratios; (3) Cloud water and hail mixing ratios increase while graupel mixing ratios decrease; (4) The surface precipitation is initially greater. However, at the end of the simulation, less precipitation is produced. In short, the differences between the two schemes are not obvious, but the DeMott scheme has a relatively more reasonable result.
机译：使用区域大气模拟系统，通过两种不同的冰晶参数化方案（De-Mott方案和Meyers方案），模拟了2011年6月23日发生在中国北方北京的一场强烈风暴。与DeMott方案相比，Meyers方案的仿真结果具有以下特点：（1）上升气流更强，数量更多; （2）云层组织较好，冰相水汽混合比峰值更大; （3）云水冰雹混合比增加而gra混合比降低; （4）最初的表面降水较大。但是，在模拟结束时，产生的降水较少。简而言之，两种方案之间的差异并不明显，但是DeMott方案具有相对合理的结果。

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