River Chief Parts Of A River And Its Basin Kids Encyclopedia A river and its tributaries make up a river system. the area that a river system covers is called a basin. some rivers have very large basins while others of equal length drain much smaller basins. the world’s two longest rivers, the amazon and the nile, are about the same length, but the basin of the amazon is more than twice as large. Some features of a river and its basin, such as branches and valleys, occur several times in its course. as it approaches its mouth, the river becomes wider and tends to flow more slowly.
Parts Of A River For Kids Kids encyclopedia facts. drainage basin is a geographic term about rivers. it is also called catchment, catchment area, catchment basin, drainage area, river basin, and water basin. it is an area of land. all water that falls on that land flows into one river. it can flow directly into the river or go through tributaries (smaller rivers that. A: a drainage basin is a primary part of any river system, which is the area where water flows across the earth’s surface towards a major river. it is important as most drainage basins are vital water sources, collecting and channeling rainwater into rivers, thus impacting the planet’s overall water cycle and human health. 8. mouth. the river mouth is where the water finally flows into a larger body of water. this can be the confluence of a river, or it can be where the water flows into a gulf or directly into the ocean. sometimes, this is called a delta, but a delta has a more specific connotation that we’ll explore below. 9. Taken as one stream, the missouri mississippi measures 3,658 miles (5,887 kilometers) from the upper red rock reservoir to the head of passes at the gulf of mexico. in the early part of its course the missouri runs almost due north. sixteen miles (26 kilometers) east of helena, montana, is canyon ferry dam, one of seven large dams on the river.
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