三峡库区1：25万水系分布数据集(2015)

本数据库是三峡库区1:25万水系2015年数据，河流,湖泊要素空间,属性信息完整，属性信息包含了河流或湖泊的名称。数据为矢量文件，主要应用于地理学,经济统计等相关领域研究，根据区域基础地理信息资料经整理获得

This database is the 2015 1:250,000 scale water system dataset for the Three Gorges Reservoir Area. It has complete spatial and attribute information for river and lake features, where the attribute information includes the names of the corresponding rivers and lakes. The data is provided in vector format, and is mainly applicable to research in related fields such as geography and economic statistics. It was compiled and processed based on regional basic geographic information materials.

搜集汇总

背景与挑战

背景概述

该数据集是2015年三峡库区1:25万比例尺的水系分布矢量数据，完整包含了河流和湖泊的空间位置及名称属性信息，适用于地理学和经济统计等相关研究。数据通过扫描基础地理资料并利用ArcGIS软件进行校正和矢量化加工获得，采用Albers双纬线圆锥投影，精度可靠，质量优良。