河池市大石山区洪涝区地理空间数据库研究与应用  

Study and application of flood zone geospatial database for rocky mountainous areas of Hechi City

作　　者：黄晓林 覃毅 HUANG Xiao-lin;QIN Yi(Hydrology Center of Hechi City,Hechi 547000,China;Nandan Hydrological Central Station,Hydrology Center of Hechi City,Nandan 547200,China)

机构地区：[1]河池水文中心水情科,广西河池547000 [2]河池水文中心南丹水文中心站,广西南丹547200

出　　处：《广西水利水电》2023年第1期13-16,共4页Guangxi Water Resources & Hydropower Engineering

摘　　要：利用河池市易涝区调查表、灾区航空影像数据、气象雷达图、实况降雨量、实时水文数据、DEM数据、全球卫星地图等多源数据,对河池市洪涝灾害隐患点开展洪涝灾害分析。分析各隐患点涝区水量、集水面积、次洪降水量、雨量阈值,及洪涝灾害隐患点地理特征及分布规律。形成河池市大石山区洪涝区地理空间数据库,与气象、应急等部门共享成果,服务社会。By use of multi-source data of Hechi City such as the questionnaire of waterlogging prone areas, aerial image data of disaster area, weather radar map, actual rainfall, real-time hydrological data, DEM data, global satellite map etc., flood disaster analysis was conducted for the flood prone areas in Hechi City, including the analysis of flood water quantity, water catchment area, secondary flood precipitation, rainfall threshold, geographical feature and distribution regularity, so as to form the flood zone geospatial database of rocky mountainous areas in Hechi City which is shared with meteorological, emergency and other departments.

关 键 词：易涝区调查表 气象雷达图 GIS 雨量阈值 地理特征 河池市 

分 类 号：P338[天文地球—水文科学]