Free and open geospatial data: https://lta.cr.usgs.gov/HYDRO1KA global hydrologic database derived from 1996 GTOPO30 data. HYDRO1k is a geograph...

Published on November 7, 2014 08:11 by Stefan Halbfass, Company for Applied Landscape Ecology - CEO

Free and open geospatial data: https://lta.cr.usgs.gov/HYDRO1KA global hydrologic database derived from 1996 GTOPO30 data. 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).