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It includes oceanic sea drainage basins which have hydrologically coherent areas (oceanic seas are set by IHO convention). The oceans drain approximately 83% of the land in the world. The other 17% – an area larger than the basin of the Arctic Ocean – drains to internal endorheic basins.
A drainage basin is an area of land where all surface water converges to a single point at a lower elevation. In North America, "watershed" is used for this sense, while elsewhere terms like "catchment" or "drainage area" are used. A drainage divide is the line that separates neighboring drainage basins. In English-speaking countries outside of ...
A drainage basin is an area of land in which all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, the drainage divide, [1] made up of a succession of elevated features, such as ridges and hills.
Most sedimentary basin classification schemes are based on one or more of these interrelated criteria: Plate tectonic setting - the proximity to a divergent, convergent or transform plate tectonic boundary and the type and origin of the tectonically-induced forces that cause a basin to form, specifically those active at the time of active ...
Emesis basin, a kidney-shaped bowl used in hospitals etc. for vomit; Sink, a plumbing fixture; Toilet basin, an alternate name for the bowl (pan) of a flush toilet; Wash basin, a sink or bowl to contain water for cleaning hands and other minor washing Basin stand or washstand, an obsolete piece of furniture to hold a wash basin, jug, towel, etc.
Watershed delineation is the process of identifying the boundary of a watershed, also referred to as a catchment, drainage basin, or river basin.It is an important step in many areas of environmental science, engineering, and management, for example to study flooding, aquatic habitat, or water pollution.
This is the category for geologic basins and geographical basins, including geologic oceanic basins, sedimentary basins, geologic depression basins, drainage basins (aka watersheds), and groundwater basins. Some of these are usually thought of in their two-dimensional representation as on a map, however they are all three-dimensional bodies.
The dark orange arrows show how some animals consume others in the food web. For example, lobsters may be eaten by humans. The dark blue arrows represent one complete food chain , beginning with the consumption of algae by the water flea, Daphnia , which is consumed by a small fish, which is consumed by a larger fish, which is at the end ...