HydroATLAS offers a global compendium of hydro-environmental sub-basin and river reach characteristics at 15 arc-second resolution.
HydroBASINS
HydroBASINS is a series of polygon layers that depict watershed boundaries and sub-basin delineations at a global scale.
HydroLAKES
HydroLAKES is a database aiming to provide the shoreline polygons of all global lakes with a surface area of at least 10 ha.
HydroRIVERS
HydroRIVERS is a database aiming to provide the vectorized line network of all global rivers that have a catchment area of at least 10 km2 or an average river flow of 0.1 cubic meters per second, or both.