European catchments and Rivers network system (Ecrins)

The aggregation of European catchments and Rivers network system (Ecrins) id a geographical information system of the European hydrographical systems with a full topological information. It is organised from a layer of 181,071 “functional elementary catchments (FECs)” which average size is ~62 km2, fully connected with explicit identifier (ID) relationships and upstream area. Catchments are grouped as sub-basins, river basin See more