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静止气象卫星水汽图像的分析和应用(一)
引用本文:李大山,石定朴.静止气象卫星水汽图像的分析和应用(一)[J].应用气象学报,1998,9(2):186-196.
作者姓名:李大山  石定朴
作者单位:1.黑龙江省人工影响天气研究中心,中国气象科学研究院,国家卫星气象中心
基金项目:黑龙江省人工影响天气研究中心卫星水汽课题,北京大学暴雨监测与预测国家重点实验室资助
摘    要:长期多次人工增雨试验及探测证明,水汽条件是人工影响天气最主要的基础条件。利用近期开通的GMS-5静止卫星6.7 μm通道提供的水汽图像,并结合常规天气资料、卫星云图等,对黑龙江省1995年7月的3次暴雨过程进行了初步分析。发现在水汽图像上,3次暴雨对应3种不同的类型。并对其中7月25~27日具有明显水汽输送带的持续性暴雨作了综合分析。该水汽图像给出了这次典型气旋发展阶段暖区水汽输送带的清晰直观图像,得到了水汽输送带的宽度和长度数据,并分析了它的温湿结构,估算了暖锋段降水的降水效率。另外,分析了云物理特征及

关 键 词:水汽图像    水汽输送带    降水效率    人工增雨

Analysis and Application of GMS-5 Water Vapor Images (I)
Li Dashan,Shi Dingpu,Zheng Xinjiang,Lin Song,Li Chengcai,Fan Ling,Zhao Youhong.Analysis and Application of GMS-5 Water Vapor Images (I)[J].Quarterly Journal of Applied Meteorology,1998,9(2):186-196.
Authors:Li Dashan  Shi Dingpu  Zheng Xinjiang  Lin Song  Li Chengcai  Fan Ling  Zhao Youhong
Affiliation:1.1) (Research Center of Weather Modification, Heilongjiang Province, Harbin 150036); 2) (Chinese Academy of Meteorological Sciences, Beijing 100081); 3) (National Satellite Meteorological Center, Beijing 100081)
Abstract:Experiments and detections of rain enhancement over a long period show that water vapor condition is an important and basic requirement for weather modification. An initiative analysis for three torrential rain processes of Heilongjiang Province in July of 1995, based on the water vapor images of GMS-5 with 6.7 μm channel which were offered recently and combined with the conventional weather data and satellite cloud picture etc, was made. It is shown that the three processes corresponded with three different types, respectively. A synthetical study of the continuous torrential rain process with an obvious water vapor band during 25~30, July was made. The water vapor images provided a clear and object imagery for the water vapor transfer band in warm area during the developing stage of this typical cyclone, therefore, the data for width and length of water vapor transfer band were obtained and the structures of temperature and humidity were analysed. The precipitation efficiency in the warm front was also estimated. Furthermore, the cloud physical characteristics of the precipitation process and the conditions for rain enhancement were analysed. So, the possibility of application of water vapor images in weather modification would be provided
Keywords:Water vapor image  Water vapor transfer band  Precipitation efficiency  Rain enhancement  
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