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- A drainage basin is shaped like a bowl. It usually has mountains or highlands at its upper edges. The upper edges are where the rivers originate, or begin. A drainage basin usually has lowlands in the middle. Lowlands cause water to flow downward toward the mouth of the river.
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Apr 24, 2024 · The Cawston Creek drainage basin also has a smaller tributary drainage basin that flows into it. [Return to Figure \(\PageIndex{1}\)] Figure \(\PageIndex{2}\) image description: The graph shows the topographical profile of the Cawston Creek channel.
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.
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.
- Steven Earle
- 2015
Watersheds can be as small as a footprint or large enough to encompass all the land that drains water into rivers that drain into Chesapeake Bay, where it enters the Atlantic Ocean. This map shows one set of watershed boundaries in the continental United States; these are known as National hydrologic units (watersheds).
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 ).
Feb 19, 2022 · Drainage patterns or nets are classified on the basis of their form and texture. Their shape or pattern develops in response to the local topography and subsurface geology. Drainage channels develop where surface runoff is enhanced and earth materials provide the least resistance to erosion.
Dec 26, 2021 · In most areas of the world, except in the driest of deserts (and beneath glaciers), one can trace fairly easily on a topographic map the system of main streams and their tributaries. In some places …
