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Hydrology -- Databases

View Resource HYDRO 1K Elevation Derivative Database

The Earth Resources Observation Systems' Data Center at the US Geological Survey developed this database from the 30 arc-second digital elevation model of the world. The database contains six raster data sets in tar file format: elevation data, shaded relief, slope, aspect, flow direction, and flow accumulation; and two vector data sets in tar or gzipped ARC/INFO Export file formats: drainage...
View Resource Global Directory of Marine (and Freshwater) Professionals (GLODIR)

Newly redesigned, GLODIR is an excellent resource that helps marine and freshwater scientists and graduate students contact other researchers and learn about their publications. Developed and maintained by the Intergovernmental Oceanographic Commission of UNESCO (IOC), the site hosts a database of over 10,000 records, with information on individuals from around the world involved in all aspects of...
View Resource National Hydrography Dataset (NHD)

Spearheaded by the US Environmental Protection Agency (EPA) and the US Geological Survey (USGS), the National Hydrography Dataset (NHD) is "a comprehensive set of digital spatial data that encodes information about naturally occurring and constructed bodies of water, paths through which water flows, and related entities." The dataset is useful in the creation of maps, in geocoding observations...