| 1998年东亚夏季风降水的模拟 |
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| 引用本文： | 王世玉,钱永甫.1998年东亚夏季风降水的模拟[J].南京气象学院学报,2001,24(2):258-264. |
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| 作者姓名： | 王世玉 钱永甫 |
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| 作者单位： | 南京大学大气科学系, |
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| 基金项目： | 国家自然科学基金重点项目“中国区域气候变化分析和机理研究”( 4973 51 70 ) |
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| 摘 要： | 利用改进后的p-σ9层混合坐标系模型，采用不同的土壤温度与太阳短波辐射参数化方案，对1998年夏季风降水进行模拟，发现改进的土壤温度计算法和改进的Lacis和Hansen(NEW)短波辐射参数化方法相结合能较好地模拟降水，利用不同的统计方法对模拟结果进行统计检验发现，土壤温度对降水的显著性影响主要体现在降水场的空间分布，通过与实测降水的比较，发现该模式对些时段的降水模拟拟得较好，对有些时段的降水特别是对强降水过程模拟较差，降水量普遍偏小。
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| 关 键 词： | p－σ9层混合坐标系模式 统计检验 短波辐射 东亚夏季风 模拟 |
| 修稿时间： | 2000年5月18日 |
Simulation to the east Asian summer monsoon precipitation in 1998 |
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| Wang Shiyu,Qian Yongfu.Simulation to the east Asian summer monsoon precipitation in 1998[J].Journal of Nanjing Institute of Meteorology,2001,24(2):258-264. |
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| Authors: | Wang Shiyu Qian Yongfu |
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| Institution: | WANG Shi yu,QIAN Yong fu [WT6BZ] |
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| Abstract: | Summer monsoon precipitation in 1998 is simulated with different soil temperature and solar short wave radiation parameterization schemes using the improved p-σ nine level hybrid coordinate model.It is found that the improved soil temperature calculation method together with Lacis and Hansen short wave radiation parameterization has a good simulation for precipitation.Statistical test is also made,indicating that the soil temperature has great impact on the precipitation distribution.Compared with the observed field,this model simulated the precipitation better in some periods,while worse in other periods,such as for the strong precipitation process. |
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