全国20M分辨率高精地图产品

20M分辨率高精地图产品，基于多源遥感与地理信息数据融合处理，实现全国范围覆盖。它以20M分辨率提供标准化的地理空间框架，包含地形、水系、交通网络、居民地、行政区划及土地覆盖/利用等基础地理要素。产品更新周期稳定，是开展大范围监测、宏观分析与规划决策的可靠基础地理信息支撑。The 20-meter-resolution high-precision map product, developed based on multi-source remote sensing and geographic information data fusion processing, covers the entire territory of China. It provides a standardized geospatial framework at 20-meter resolution, including basic geographic features such as terrain, hydrological systems, transportation networks, residential areas, administrative divisions, and land cover/use. The product has a stable update cycle, serving as a reliable basic geographic information support for large-scale monitoring, macro-level analysis and planning decision-making.

搜集汇总

背景与挑战

背景概述

该数据集是一个全国范围的20米分辨率高精地图产品，基于多源遥感与地理信息数据融合处理而成。它提供标准化的地理空间框架，包含地形、水系、交通网络、居民地、行政区划及土地覆盖/利用等基础地理要素，更新周期稳定，适用于大范围监测、宏观分析与规划决策，是可靠的基础地理信息支撑。