A drainage basin, also known as a watershed, is an area of land where all precipitation and surface water drains into a single common outlet, such as a river, lake, or ocean. The drainage basin collects water from rainfall, snowmelt, and runoff, channeling it through streams, rivers, and other waterways. Proper management of drainage basins is important for preventing flooding, controlling erosion, and maintaining water quality. Drainage basins vary in size from small catchment areas to large river systems that span multiple regions.
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