GTOPO30 Hydro 1K
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下载链接：
https://cmr.earthdata.nasa.gov/search/concepts/C1220567910-USGS_LTA.html
下载链接
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资源简介：
HYDRO1k is a geographic database developed to provide comprehensive and consistent global coverage of topographically derived data sets, including streams, drainage basins and ancillary layers derived from the USGS' 30 arc-second digital elevation model of the world (GTOPO30). HYDRO1k provides a suite of geo-referenced data sets, both raster and vector, which will be of value for all users who need to organize, evaluate, or process hydrologic information on a continental scale.
提供机构：
USGS_LTA
