黄河上游流域边界图

黄河是我国第二长河，黄河泥沙问题引起全世界人民的关注。流域是重要的自然单元，以SRTM-DEM与ASTER-GEDEM数据集为数据源，在ArcGIS软件平台下，利用河道烧录法与河道标量法相结合的方法，对黄河上游流域边界进行了提取，获得自黄河源区至河口镇整个黄河上游的流域边界。 该图以ArcGIS,.shp文件存储...

The Yellow River is the second-longest river in China, and its sediment load issue has attracted global attention. A river basin is a fundamental natural unit. In this work, taking the SRTM-DEM and ASTER-GDEM datasets as data sources, we employed a combined method of channel burning and channel scalar approaches on the ArcGIS software platform to extract the basin boundary of the upper Yellow River, obtaining the complete upper Yellow River basin boundary from the river’s source region to Hekou Town. This extracted boundary dataset is stored in ArcGIS .shp file format.

搜集汇总

背景与挑战

背景概述

该数据集是黄河上游流域边界图，基于SRTM-DEM与ASTER-GEDEM数据源，在ArcGIS平台下通过河道烧录法与河道标量法提取而成，覆盖青海、四川、甘肃、宁夏、内蒙五个省（自治区），总面积达55.06×10^4 km²，以.shp格式存储。它主要用于水文、土壤侵蚀及非点源污染研究，作为划定相关迁移范围的重要自然单元，并通过线上共享方式提供完全公开访问。