重庆市1：25万水系数据（2014）

本数据集根据区域基础地理信息资料扫描矢量化并结合遥感解译获得，包括重庆市内长江、嘉陵江等一二级水系，本数据集里数据属性表共有两个字段。字段1：Name 中文名称为水系名称， 数据类型为字符型(80)； 字段2：Type 中文名称为水系类型 ，数据类型为字符型(50)。主要应用于地理学、经济统计等相关领域研究

This dataset is generated by scanning and vectorizing regional basic geographic information data, combined with remote sensing interpretation. It includes first- and second-order water systems such as the Yangtze River and Jialing River within Chongqing Municipality. The dataset’s attribute table contains two fields:
1. Field 1: "Name", whose Chinese full name is "Water System Name", with a data type of character (length 80);
2. Field 2: "Type", whose Chinese full name is "Water System Type", with a data type of character (length 50).
It is primarily applied to research in relevant fields such as geography and economic statistics.

AI搜集汇总

背景与挑战

背景概述

该数据集是2014年重庆市1:25万比例尺的水系数据，基于基础地理信息资料扫描矢量化并结合遥感解译获得，包括长江、嘉陵江等一二级水系，属性表包含水系名称和类型两个字段。数据精度高、结构完整，主要应用于地理学和经济统计等相关领域研究。