ArcGIS水文分析模块在四会市河湖名录整编工作中的应用

Application of Hydrological Analysis Module of ArcGIS in Directory Reorganization of Rivers and Lakes of Sihui

针对四会市目前的河湖名录存在名录不全面、数据不准确、信息不齐全等问题,尤其是缺少了河道信息、集雨面积等流域水文特征信息,在河湖名录整编工作中,基于ArcGIS对全境河流进行水文分析和特征信息的提取,为河湖名录整编工作提供了河道长度、河道流域面积和集雨面积等信息,保证了河湖名录数据的完整性,为施行“互联网+”河长制监督管理提供必要的数据。

For the problems existing in the river and lake directory of Sihui,incomplete directory,inaccurate data,incomplete information,especially the lack of river information,catchment area and other hydrological characteristics information,ArcGIS is used for hydrological analysis and extraction of hydrological characteristic information of rivers and lakes in the whole territory.And then the information of river length,river basin area and catchment area are provided for river and lake directory.Thus,the integrity of river and lake directory data is guaranteed,and the most required data is provided for the implementation of"Internet+"river chief system.