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The River Channel and Tributaries

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River; River Channel and Tributaries; Source of River; River Gorge; Freshwater For Life; Waterfalls; Rapids In River; Torrent Ducks – Live and Find Food in Rapids; Salmons – the Anti-rapids of river; River Meander; Nutrients And Life; Sediments And The Mud; Floodplains; River Deltas; Junction of Rivers; Damage by Rivers; Dams Over Rivers; Spoiling of Rivers


Rivers flow in channels. The bottom of the channel is called the bed and the sides of the channel are called the banks. Rivers begin at their source in higher ground such as mountains or hills, where rain water or melting snow collects and forms tiny streams. When one stream meets another and they merge together, the smaller stream is known as a tributary. It takes many tributary streams to form a river. A river grows larger as it collects water from more tributaries along its course. The great majority of rivers eventually flow into a larger body of water, like an ocean, sea, or large lake. The end of the river is called the mouth. Most settlements were built along major rivers. Rivers provide us with food, energy, recreation, transportation routes, and of course water for irrigation and for drinking. Water can caw a narrow, steep-sided valley in the land which forms in a ‘V’ shape.

As the river leaves its middle course, it reaches an area of flatter land. This area is called the ‘lower course of the river.

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