宁夏回族自治区1:25万基础地理数据（2015年）

该数据集是宁夏回族自治区1:25万基础地理数据，包括水系、交通、居民地及设施、地名及注记4个数据集9个图层数据，数据现势性为2015年。源数据下载于全国地理信息资源目录服务系统（http://www.webmap.cn/main.do?method=index），经拼接、裁切，拓扑关系检查等方法形成宁夏回族自治区基础地理数据。数据详细含义请参阅数据文档。This dataset refers to the 1:250,000 fundamental geographic data of the Ningxia Hui Autonomous Region. It includes 9 layers across 4 datasets, namely hydrological features, transportation networks, residential areas and facilities, and geographic names and annotations. The data's currency date is 2015. The original source data was downloaded from the National Geographic Information Resource Catalog Service System (http://www.webmap.cn/main.do?method=index), and was processed into the final fundamental geographic data of the Ningxia Hui Autonomous Region via operations such as mosaicking, clipping, and topological relationship inspection. For detailed definitions of the dataset, please refer to the accompanying data documentation.

搜集汇总

背景与挑战

背景概述

该数据集为宁夏回族自治区2015年的1:25万基础地理数据，包含水系、交通、居民地及设施、地名及注记4大类9个图层的空间信息，数据经过严格的质量控制和处理，适用于地理科学研究和相关应用。