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台风强降雨诱发地质灾害的雨量特征分析
引用本文:徐晶,李伟华.台风强降雨诱发地质灾害的雨量特征分析[J].气象,2009,35(8):42-48.
作者姓名:徐晶  李伟华
作者单位:1. 国家气象中心,北京,100081
2. 中国气象局公共气象服务中心
基金项目:公益性行业(气象)科研专项经费项目(GYHY200706037)资助
摘    要:台风的特大暴雨可以引发山体滑坡和泥石流等地质灾害,造成严重的人员伤亡.高分辨率资料的应用是地质灾害精细化预报的基础.选定频繁遭受台风袭击,同时受地质灾害影响严重的浙江乐清市作为研究区域,利用雷达联合雨量计估计降雨技术,以0414台风云娜、0505台风海棠和0509台风麦莎导致的群发性地质灾害为例,研究雷达估计降雨在监测地质灾害方面的适用性以及台风降雨和地质灾害发生之间的关系.结果表明,雷达估测降雨较好地反映地质灾害触发雨量特征.台风诱发地质灾害需要的持续时间短,有效雨量更小,临界雨强大.

关 键 词:台风  地质灾害  雷达估计降雨  临界雨强
收稿时间:9/9/2008 12:00:00 AM
修稿时间:4/3/2009 12:00:00 AM

Characteristics of Rainfall for Typhoon Rainstorm Induced Geological Hazards
Xu Jing and Li Weihua.Characteristics of Rainfall for Typhoon Rainstorm Induced Geological Hazards[J].Meteorological Monthly,2009,35(8):42-48.
Authors:Xu Jing and Li Weihua
Institution:National Meteorological Center, Beijing 100081;CMA Public Weather Service Center
Abstract:Typhoon rainstorm can induce geological hazards such as landslides and debris flows and cause serious casualties consequently.High-resolution data are essential for high-resolution geological hazard prediction.Yueqing in Zhejiang Province is selected as the studied area,which is frequently attacked by typhoons and is seriously influenced by geological hazards.Geological hazards induced by typhoon No.0414,No.0505 and No.0509 are taken as samples.Applicability of radar rainfall estimation is assessed for the ...
Keywords:typhoon  geological hazards  radar rainfall estimation  critical rainfall intens ity
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