Comparative Analysis of Radar Reflectivity Factors between Beijing and Tianjin CINRAD/SA
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Abstract:
Based on Beijing and Tianjin CINRAD/SA volume scan data from precipitation cases in July 2012, the differences of radar reflectivity factors around the sample equaldistance crosssections of two nearby radars are analyzed. Results show that no systematic bias is found between two radar sets. There exists one degree azimuth angle shift revealed from the rotating data and correlation analyze. Sample pairs at the plain area have better consistency than those in the mountain area. Beside distance, different propagation paths, the attenuation of the atmosphere, clouds and rainfall, and the refraction that causes echo height change are also reasons leading to differences in the sample pairs.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.