The entire area of land drained by a river and all of its tributaries, bounded by the surrounding higher ground that separates it from neighboring basins. A river basin functions as a single hydrological unit, collecting precipitation across its whole area and funneling it toward the main river's outlet.
Sources
Wikidata: River Basin
Wikidata Q22399748, class allow-list match (w-wdresolver-0926)View the Source Reader Challenges (0)
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