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当前位置: 首页 > 文章 > 基于沈阳雨滴谱观测资料的Z-I关系研究 现代农业科技 2015 (22) 236-238+240
Position: Home > Articles > Research on Z-I Relationship Based on Rain Drop Distribution Data Observed in Shenyang Modern Agricultural Science and Technology 2015 (22) 236-238+240

基于沈阳雨滴谱观测资料的Z-I关系研究

作  者：
房彬;李洋;赵姝慧;刘旸
单  位：
辽宁省人工影响天气办公室
关键词：
雨滴谱;Z-I关系;雨强;雷达反射率
摘  要：
利用沈阳地区2010—2013年4—9月共4年的雨滴谱资料,分析沈阳地区不同天气系统、不同降水云系、不同月份的Z-I关系。结果表明:层状云、积层混合云和积雨云降水云系,Z-I关系的显著水平均大于0.05;西风槽和冷涡天气系统,雷达反射率和雨强的相关性都很好;7月、8月平均雨强最大,系数a也最大,4月、5月、6月、9月平均雨强相对较小,系数a也相对较小;4—9月系数a随着雨强的增大而增大,随着雨强的减小而减小,相关性很好,系数b与雨强没有明显的相关关系。
译  名：
Research on Z-I Relationship Based on Rain Drop Distribution Data Observed in Shenyang
作  者：
FANG Bin;LI Yang;ZHAO Shu-hui;LIU Yang;Liaoning Weather Modification Office;
关键词：
rain drop size distribution data;;Z-I relationship;;rainfall intensity;;radar reflectivity
摘  要：
Using rain drop size distribution data observed in Shenyang during April to September from 2010 to 2013,the Z-I relationships for different synoptic systems,different precipitating cloud systems and different months were explored.The results showed that the significant levels of Z-I relationship was greater than 0.05 for stratiform clouds,cumulus clouds and stratiform clouds embedded with convections;radar reflectivity correlated very well with rain intensity for westerly trough and northeastern cold vortex synoptic system;in August and July the average rainfall intensity and the coefficient a were both the largest,in April,May,June,September the average rainfall intensity and the coefficient a were relatively small;in April to September the coefficient a had a good correlation with the rain intensity,the coefficient b had no obvious correlation with rainfall intensity.

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