利用现代化人机交互气象信息处理和天气预报制作系统(Meteorological Information Comprehensive Analysis and Processing System,M ICAPS)常规数据、全球/区域同化预报系统耦合中国气象科学研究院的复杂云微物理方案(Global/Regional ...利用现代化人机交互气象信息处理和天气预报制作系统(Meteorological Information Comprehensive Analysis and Processing System,M ICAPS)常规数据、全球/区域同化预报系统耦合中国气象科学研究院的复杂云微物理方案(Global/Regional Assimilation and Pr Ediction System_Chinese Academy of M eteorological Sciences,GRAPES_CAM S)云模式产品及卫星数据反演产品等资料,基于云降水精细分析系统—东北版(Cloud Precipitation Accurate Analysis System_North East,CPAS_NE)平台,对2016年5月24日黑龙江省一次飞机人工增雨作业过程进行了分析。结果表明:在高空冷涡和地面低压的共同影响下,人工增雨作业目标区云层较厚、过冷层厚度较厚,且具有一定量的过冷水,同时雷达显示存在大面积片状层状云回波,具有较好的增雨催化潜力,云带深厚且垂直累积液态水含量较高时段为最佳增雨作业时段。人工增雨作业区与对比区的催化效果物理检验表明,作业效果在地面降水量方面表现明显,而雷达回波变化较小,卫星反演产品中作业区的黑体亮温温度降低较快、云顶温度有所下降、云顶高度略降低,宏观物理检验表明此次人工增雨作业催化效果较好。人工增雨作业后过冷层厚度降低表明催化剂消耗了云中的过冷水,光学厚度增加表明过冷水滴迅速增长成大滴,粒子有效半径在作业中降低表明催化剂在消耗云中的云粒子,利用反演的微观物理参数检验了此次飞机人工增雨催化作业的过程。展开更多
This paper studies the vapor pressure of water and precipitation situation in Lu'an Ground Station in Dabie Mountain area from 1979 to 1998.And the atmospheric perceivable water in Dabie Mountain can be calculated...This paper studies the vapor pressure of water and precipitation situation in Lu'an Ground Station in Dabie Mountain area from 1979 to 1998.And the atmospheric perceivable water in Dabie Mountain can be calculated by virtue of the empirical formula for atmospheric perceivable water.Besides,by analyzing the data,the seasonal changes of perceivable water in Dabie Mountain and the efficiency of precipitation of each weather system is acquired.The results show that there is a great potential for precipitation enhancement in Dabie Mountain.This paper introduces the processes and operation forms of precipitation enhancement for impounding water in reservoirs in Dabie Mountain region.展开更多
文摘利用现代化人机交互气象信息处理和天气预报制作系统(Meteorological Information Comprehensive Analysis and Processing System,M ICAPS)常规数据、全球/区域同化预报系统耦合中国气象科学研究院的复杂云微物理方案(Global/Regional Assimilation and Pr Ediction System_Chinese Academy of M eteorological Sciences,GRAPES_CAM S)云模式产品及卫星数据反演产品等资料,基于云降水精细分析系统—东北版(Cloud Precipitation Accurate Analysis System_North East,CPAS_NE)平台,对2016年5月24日黑龙江省一次飞机人工增雨作业过程进行了分析。结果表明:在高空冷涡和地面低压的共同影响下,人工增雨作业目标区云层较厚、过冷层厚度较厚,且具有一定量的过冷水,同时雷达显示存在大面积片状层状云回波,具有较好的增雨催化潜力,云带深厚且垂直累积液态水含量较高时段为最佳增雨作业时段。人工增雨作业区与对比区的催化效果物理检验表明,作业效果在地面降水量方面表现明显,而雷达回波变化较小,卫星反演产品中作业区的黑体亮温温度降低较快、云顶温度有所下降、云顶高度略降低,宏观物理检验表明此次人工增雨作业催化效果较好。人工增雨作业后过冷层厚度降低表明催化剂消耗了云中的过冷水,光学厚度增加表明过冷水滴迅速增长成大滴,粒子有效半径在作业中降低表明催化剂在消耗云中的云粒子,利用反演的微观物理参数检验了此次飞机人工增雨催化作业的过程。
基金Supported by China Meteorological Administration (Provincial Figure Operation System Based on the New Generation Radar)The Program of Experimental Investigation on the Development and Utilization of Aerial Cloud Resource in Anhui Province
文摘This paper studies the vapor pressure of water and precipitation situation in Lu'an Ground Station in Dabie Mountain area from 1979 to 1998.And the atmospheric perceivable water in Dabie Mountain can be calculated by virtue of the empirical formula for atmospheric perceivable water.Besides,by analyzing the data,the seasonal changes of perceivable water in Dabie Mountain and the efficiency of precipitation of each weather system is acquired.The results show that there is a great potential for precipitation enhancement in Dabie Mountain.This paper introduces the processes and operation forms of precipitation enhancement for impounding water in reservoirs in Dabie Mountain region.