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气象:1999,25(3):44-48
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三峡地区气候Z-R关系
(1.武汉中心气象台,武汉 430074;2.宜昌市气象局,443000)
The Climatic Reflectivity-Rain Rate Relations in Sanxia Region
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中文摘要: 在三峡地区降水条件气候均匀区域划分的基础上,用Atlas一阶矩概率匹配法,分别在每一个区域建立了对流型、雷雨混合型、阵雨混合型3种雨型随测距变化的气候ZR关系。这些关系能综合订正由波束平均作用、雨区对电磁波的衰减等因素所造成的雷达测量降水的误差。
Abstract:Based on the division of Sanxia region into several conditional climatic homogeneous rain areas, the climatic Z-R relationships that vary with the range from radar were derived for different rain patterns such as the convective, the mixed-thunderstorm, and the mixed-shower by using of the first moment PMM proposed by Atlas. These relations can be used to comprehensively correct radar measuring error caused by the effects of the beam average and the C-band attenuation, etc.
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基金项目:中国气象局气候司《山地雷达定量测量降水的基础技术研究》课题资助
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引用文本:
张家国,王佐兵,力梅,杨洪平,万玉发,蔡宏,1999.三峡地区气候Z-R关系[J].气象,25(3):44-48.
,1999.The Climatic Reflectivity-Rain Rate Relations in Sanxia Region[J].Meteor Mon,25(3):44-48.