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- A drainage basin is the topographic region from which a stream receives runoff, throughflow, and groundwater flow.
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Apr 24, 2024 · This map illustrates the concept of a drainage basin divide. The boundary between two drainage basins is the height of land between them. A drop of water falling on the boundary between the Capilano and Seymour drainage basins (a.k.a., watersheds), for example, could flow into either one of them.
Metro Vancouver’s water supply comes from three large drainage basins on the north shore of Burrard Inlet, as shown in Figure 13.6. This map illustrates the concept of a drainage basin divide. The boundary between two drainage basins is the height of land between them.
- Steven Earle
- 2015
A drainage basin is the topographic region from which a stream receives runoff, throughflow , and groundwater flow. Drainage basins are divided from each other by topographic barriers called a watershed ( Figure 10aa-1 ). A watershed represents all of the stream tributaries that flow to some location along the stream channel.
drainage basin, area from which all precipitation flows to a single stream or set of streams. For example, the total area drained by the Mississippi River constitutes its drainage basin, whereas that part of the Mississippi River drained by the Ohio River is the Ohio’s drainage basin.
- The Editors of Encyclopaedia Britannica
Oct 19, 2023 · to break up or disintegrate. drainage basin. noun. an entire river system or an area drained by a river and its tributaries. Also called a watershed. ecosystem. noun. community and interactions of living and nonliving things in an area. endorheic basin.
Feb 19, 2022 · A drainage basin is a portion of the Earth's surface that contains a main stream and its tributaries and is bounded by a drainage divide. The drainage divide represents the boundary between adjacent drainage basins and determines into which basin precipitation flows.
This map shows one set of watershed boundaries in the continental United States; these are known as National hydrologic units (watersheds). The word "watershed" is sometimes used interchangeably with drainage basin or catchment. Ridges and hills that separate two watersheds are called the drainage divide.
