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气象:2006,32(6):20-24
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新一代雷达风廓线与探空风廓线资料相关分析
(1.江西省环境预报中心,南昌 330046;2.江西省人工影响天气办公室)
Correlation Analysis between New Generation Radar Wind Profile Data and Sounding data
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投稿时间:2005-09-19    修订日期:2005-12-13
中文摘要: 利用南昌新一代多普勒天气雷达获取的2002~2005年37次(共计614组样本)完整风廓线资料,与同期探空风廓线进行相关分析。结果表明:探空风廓线与雷达风廓线之间具有比较好的相关性。风向相关系数R≥0.6次数占总数78%,其中R≥0.8次数占总数60%。风速相关系数R≥0.6次数占总数81%,其中R≥0.8次数占总数57%。随着高度增加,探空风向与雷达风向的相关度明显降低,风速的相关变化不大。
Abstract:By using 37 CINRAD complete wind profile data and sounding data in 2002—2005, the correlation analysis is made. The result shows that there is a good relativity between radar wind profile data and sounding data. Frequency of correlation coefficient in wind direction R≥0.6 is 78%, R≥0.8 is 60%. Frequency of correlation coefficient in wind velocity R≥0.6 is 81%, R≥0.8 is 57%. With the high increment, the relativity in wind direction is lower, but that in wind velocity don′t change obviously.
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引用文本:
杨梅,李玉林,单九生,黄少平,李贞风,黄祖辉,章义,2006.新一代雷达风廓线与探空风廓线资料相关分析[J].气象,32(6):20-24.
,2006.Correlation Analysis between New Generation Radar Wind Profile Data and Sounding data[J].Meteor Mon,32(6):20-24.