| 强热带风暴“北冕”登陆前后的风场变化 |
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| 引用本文： | 刘尉,吴艳标,王志春. 强热带风暴“北冕”登陆前后的风场变化[J]. 广东气象, 2009, 31(3): 10-12. DOI: 10.3969/j.issn.1007-6190.2009.03.004 |
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| 作者姓名： | 刘尉 吴艳标 王志春 |
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| 作者单位： | 广东省气候中心,广东广州,510080 |
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| 摘 要： | 利用Q3000型车载相控阵风廓线雷达，对强热带风暴“北冕”登陆前后的风场情况进行了连续观测，观测资料反映了“北冕”登陆前后观测点上空风场的变化：“北冕”中心临近时风速逐渐增大，而后逐渐减弱，风向在垂直空间及时间上存在有规律的切变。风廓线雷达探测资料对于研究热带气旋内部的平均风特性、垂直结构、湍流输送性质及风压分布等有重要意义，可以弥补地面探空站在台风期间无法获取有效探空资料的不足。
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| 关 键 词： | 天气学 强热带风暴 风场变化 风廓线雷达 “北冕” |
The Wind Field Transition during the Landfalling of Severe Tropical Storm Kammuri |
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| LIU Wei,WU Yan-biao,WANG Zhi-chun. The Wind Field Transition during the Landfalling of Severe Tropical Storm Kammuri[J]. Journal of Guangdong Meteorology, 2009, 31(3): 10-12. DOI: 10.3969/j.issn.1007-6190.2009.03.004 |
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| Authors: | LIU Wei WU Yan-biao WANG Zhi-chun |
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| Affiliation: | LIU Wei, WU Yan -biao, WANG Zhi -chun (Meteorological Center of Guangdong province, Guangzhou 510080, China) |
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| Abstract: | By using the Q3000 Wind Profile Radar, we obtained continuous observations of the wind field during the severe tropical storm Kammuri landfalling. The data directly show us the change of the wind structure above the observation spot： The wind velocity gradually increased and then decreased before and after the approaching of Kammuri. Regular wind shears were detected both in time series and vertically. The observation data from Wind Profile Radar are important in research on characteristic of average wind, vertical wind structure, turbulent transport, and wind pressure distribution of the tropical storm. The data can also be a supplement to the sounding observation during typhoon landfalling. |
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| Keywords: | synoptic meteorology severe tropical storm wind field transition Wind Profile Radar Kammuri |
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