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当前位置: 首页 > 文章 > 长沙风廓线雷达与L波段探空雷达测风对比分析 湖北农业科学 2021 (S1) 122-125
Position: Home > Articles > Comparison between wind profiler radar and L-band sounding radar data in Changsha Hubei Agricultural Sciences 2021 (S1) 122-125

长沙风廓线雷达与L波段探空雷达测风对比分析

作  者：
周长青;陈龙;周慧;谢彦君;姚蓉
单  位：
株洲市气象局;气象防灾减灾湖南省重点实验室;湖南省气象台
关键词：
风廓线雷达;L波段探空雷达;风速垂直廓线;长沙市
摘  要：
对2019年1—5月长沙站风廓线雷达和L波段探空雷达资料进行了对比分析,主要对比两者相同高度U、V风场的偏差及时间序列分布特征等,发现两者U、V风速基本一致,其中U风速一致性更好;同时发现,风廓线雷达与L波段探空dU、dV的正向偏差较多,且dU、dV同时为正向偏差的数量最多,从时间序列看,1—5月dU、dV偏差存在逐渐增大的趋势,5月偏差最大;另外,从水平风速垂直廓线上看,两者在6 000 m以下探测风速趋势基本一致,说明两种探测资料具有较好的相关性,在探测范围之内风廓线雷达资料可用性较高。
译  名：
Comparison between wind profiler radar and L-band sounding radar data in Changsha
作  者：
ZHOU Chang-qing;CHEN Long;ZHOU Hui;XIE Yan-jun;YAO Rong;Hunan Meteorological Observatory;Hunan Provincial Key Laboratory of Meteorological Disaster Prevention and Reduction;Zhuzhou Meteorological Bureau;
关键词：
wind profile radar;;L-band sounding radar;;wind speed vertical profile;;Changsha city
摘  要：
The wind profile radar and L-band sounding radar data in Changsha from January to May 2019 are compared and analyzed.The deviation and time series distribution characteristics of U and V wind fields at the same height are mainly compared. It is found that the wind speed of U and V are basically the same,in which the wind speed of U is more consistent. At the same time,it is found that there are more positive deviations of dU and dV between the wind profile radar and the L-band sounding radar,and the number of dU and dV are both positive deviations is the largest. From the perspective of time series,dU and dV deviations tend to increase gradually from January to May,with the largest deviation in May. In addition,from the vertical profile of horizontal wind speed,the trend of the wind speed deviation of the wind profiler radar and the L-band sounding radar is basically the same below 6 000 meters,indicating that the two detection data have good correlation and the wind profile radar data are reliable within the detection range.

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