四川省1：25万水系数据（2014）
收藏国家地球系统科学数据中心2016-07-11 更新2024-03-04 收录
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https://www.geodata.cn/data/datadetails.html?dataguid=122414053752846&docId=33429
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资源简介：
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，包括四川省内金沙江、岷江、嘉陵江、沱江 、长江等一二级水系，本数据集里数据属性表共有两个字段。字段1：水系名称，数据类型为字符型(80)； 字段2：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 developed through scanning and vectorization of regional basic geographic information materials, combined with remote sensing interpretation. It covers first- and second-order river systems within Sichuan Province, including the Jinsha River, Minjiang River, Jialing River, Tuojiang River and Yangtze River. There are two fields in the data attribute table of this dataset: Field 1: River system name, with a data type of character (80); Field 2: River system type, with a data type of character (50). This dataset is mainly applicable to research in related fields such as geography and economic statistics.
提供机构：
重庆师范大学
创建时间：
2015-12-31
