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《Ningxia Engineering Technology》 2008-03
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Application of the 713C radar data in the ration rainfall and artificial precipitation

BAI Ling1,3,YANG Youlin2,FAN Kuan3 (1.Department of Atmosphere Science,Nanjing University of Information Science & Technology,Nanjing 210044; 2. Wuzhong Municipal Meteorological Bureau,Wuzhong,Ningxia 751100; 3. Zhongwei Municipal Meteorological Bureau,Zhongwei,Ningxia 755000)  
In order to make 713C radar play well,get the choice and effect assessnent of the quantitative precipitation estimation and artificial precipitation enhancement. In this paper,based on the data of the 713C radar from May to september in 2007,we analyzed the characteristic of rainfall echo for stratiform cloud and convective cloud,learned that the intensity of radar echo of the stable stratiform Cloudwas lower than 20 dBz,the height echo was 4 to 5 km,the echo intensity of mixed stratiform rainfall was 20 to 40 dBz,the height was 5 to 10 km,the echo intensity of convective cloud rainfall was higher than 40 dBz,the height was 8 to 13 km. From the data of radar and rain-gauge,we analyzed the Z—I relationship of Zhongwei,calculated the value of A and b by MATLAB program. The results showed that its intensity of radar was 20 to 40 dBz,height was 5 to 10 km. Using the radar echo date,the relationship the radar reflectivity Z and intensity of rainfall I,we can verify the effect of the rainfall enhancement operation.
【Fund】: 宁夏气象局青年科技基金资助项目
【CateGory Index】: P458.121.1
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