LIN Dan.Case Study of Aircraft Precipitation Enhancement in Spring in Sichuan Province[J].Journal of Chengdu University of Information Technology,2017,(02):208-213.[doi:10.16836/j.cnki.jcuit.2017.02.015]
四川省春季一次飞机增雨作业个例分析
- Title:
- Case Study of Aircraft Precipitation Enhancement in Spring in Sichuan Province
- 文章编号:
- 2096-1618(2017)02-0208-06
- 分类号:
- P481
- 文献标志码:
- A
- 摘要:
- 应用卫星反演产品、多普勒雷达资料、地面自动站资料等,采用统计和物理检验相结合的方法,针对2016年3月8日四川盆地的一次飞机增雨作业个例进行计算分析。结果表明,在有利的大尺度天气背景下,四川盆地水汽条件较好,云层较厚,具备作业天气条件。飞机增雨作业后,作业影响区的雷达、卫星、雨量等参数均有显著变化,区域内雨量增大,雷达回波强度增强,回波面积扩大,垂直累积液态水增加,卫星反演云顶温度降低,云顶高度升高,污染物浓度降低。作业对比区的降水不充分,且雷达、卫星等物理参数无显著规律变化。此次人工飞机增雨作业效果较好,有效缓解了干旱,改善了空气质量。
- Abstract:
- Based onsatellite-derived products, doppler radar data and automatic station data, the aircraft precipitation enhancement in Sichuan basin on March 8,2016 was analyzed by using statistical and physical testing method in this paper. The results showed that under favorable large-scale weather background, the moisture conditions were good with thick cloud, the weather conditions were suitable operat aircraft precipitation enhancement. After operation, radar, satellite, precipitation and other parameters had obvious changes. Radar echo intensity enhanced, echo area expanded, vertically integrated liquid grew, cloud top temperature fell, cloud top height increased, precipitation increased and the concentration of pollutants reduced. There were no significant regular changes in contrast area with inadequate rainfall. The effect of this operation was good. This aircraft precipitation enhancement effectively alleviated the drought and improved air quality.
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备注/Memo
收稿日期:2016-09-06 基金项目:公益性行业专项资助项目(GYHY201406032); 四川省气象局青年基金课题资助项目(川气课题2014-青年-05)