| Description |
National geospatial vector datasets depicting watercourses and physical flow obstacles across France, published on the data.milieumarinfrance.fr portal to support marine spatial planning, river-basin management, and land-sea environmental connection assessments. Vector linework represent the national river and stream network for Metropolitan France.Point vector layers map physical barriers to river connectivity and water flow (dams, weirs, locks, culverts, sluices) across Metropolitan France and national territories, standardized according to national ROE (Référentiel des Obstacles à l'Écoulement) baseline schemas. |