| 四川盆地南部一次冬季飞机增雨作业个例分析 |
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| 引用本文： | 林丹,耿蔚.四川盆地南部一次冬季飞机增雨作业个例分析[J].高原山地气象研究,2016,36(2):82-87. |
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| 作者姓名： | 林丹 耿蔚 |
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| 作者单位： | 1. 四川省人工影响天气办公室, 成都 610072; |
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| 基金项目： | 2014年度公益性行业专项(GYHY201406032)；2014年度四川省气象局青年基金课题(川气课题2014-青年-05) |
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| 摘 要： | 本文利用MICAPS资料、自动站资料、卫星反演产品和GRAPES人影模式产品等,采用统计和物理检验相结合的方法,对2015年12月13日一次飞机人工增雨作业进行了分析。结果显示:受高空低槽东移影响,四川南部出现一次降水过程,且云层具备催化潜力;催化作业后,作业效果明显,作业影响区的云系持续发展,云顶高度升高,云顶温度下降,过冷层厚度增加,降水量持续增加,污染物浓度降低,作业影响时效可达3小时;作业对比区的降水不充分,且物理量无明显变化。
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| 关 键 词： | 飞机增雨 作业效果 卫星反演 降水 |
| 收稿时间： | 2016-04-21 |
Case Study of Aircraft Precipitation Enhancement in Winter in Southern Sichuan Basin |
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| Institution: | 1. Weather Modification Office of Sichuan Province, Chengdu 610072, China;2. Heavy Rain and Drought-Flood Disasters in Plateau and Basin Key Laboratory of Sichuan Province, Chengdu 610072, China |
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| Abstract: | Based on MICAPS data,automatic station data,satellite-derived products and GRAPES silhouette mode products,the aircraft precipitation enhancement on December 13th,2015 was analyzed by using statistical and physical testing method in this paper. The results showed that affected by low trough,there was a precipitation in the south of Sichuan province,and the cloud had catalytic potential. After operation,the effect of this operation was obvious. The cloud in working area sustainable developed with cloud top temperature falling,cloud top height increasing and super cooled layer thickness increasing,precipitation sustainable increased and the concentration of pollutants reduced. This operation impact could last three hours. There was no significant changes in contrast area with inadequate rainfall. |
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