A number of data resources have been compiled and sorted into the categories below.

We do not manage or own these data resources, but have provided a list simply for your reference.  Each resource has contact details, where available, for you to discuss the use of this data with the appropriate person/entity.

We have limited capacity to maintain this list, but will update it whenever possible.


 

Categories

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E-mail

nationalmap.gov/viewer.html

Use The National Map Viewer and Download Platform to visualize, inspect, and download our most current topographic base map data and products for free. Managed by the USGS National Geospatial Program (NGP).

Category:all listings

contains also folder Hydro

Category:all listings
E-mail

geodata.grid.unep.ch

data explorer UNEP database: The Environmental Data Explorer is the authoritative source for data sets used by UNEP and its partners in the Global Environment Outlook (GEO) report and other integrated environment assessments.

Category:all listings