| 巨核对暖云降水影响的模拟研究 |
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| 引用本文： | 房文,郑国光.巨核对暖云降水影响的模拟研究[J].大气科学,2011,35(5):938-944. |
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| 作者姓名： | 房文 郑国光 |
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| 作者单位： | 中国气象科学研究院,北京, 100081 |
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| 基金项目： | 国家 “十一五” 科技支撑计划项目2006BAC12B003 |
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| 摘 要： | 利用耦合了新的暖云参数化方案的中尺度模式(MM5),研究了暖云降水中巨核的作用.在这个暖云方案里,先假定一个三模态的气溶胶正态对数分布,然后考虑对流、扩散、云滴和雨滴的核化(非核化)过程,再由气溶胶质量的预报量显式地计算出气溶胶的数浓度.选择了华北地区2005年6月25～26日的一次弱冷锋过程,并以此研究了巨核对云和降...
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| 关 键 词： | 暖云降水 巨核 模式 |
The Effect of Giant Cloud Condensation Nuclei on Warm-Cloud Precipitation |
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| FANG Wen and ZHENG Guoguang.The Effect of Giant Cloud Condensation Nuclei on Warm-Cloud Precipitation[J].Chinese Journal of Atmospheric Sciences,2011,35(5):938-944. |
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| Authors: | FANG Wen and ZHENG Guoguang |
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| Affiliation: | Chinese Academy of Meteorological Sciences, Beijing, 100081 |
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| Abstract: | A warm cloud microphysical parameterization was incorporated into a regional model to study the sensitivity of cloud-radiative properties and precipitation to aerosols.Assuming a tri-modal lognormal aerosol size distribution,the aerosol numbers are explicitly calculated from prognostic aerosol masses,considering advection,diffusion,and cloud and rain drop activation/deactivation processes.Sensitivity experiments of a cold front passing through northern China during 25-27 June 2005 with different initial con... |
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| Keywords: | giant nuclei warm cloud regional model |
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