solid particles a stream can maxismum load of streams is alluvius Many dilferent

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solid particles a stream can maxismum load of streams is alluvius Many dilferent er the discharge, the greater the n transport per unit time. The tures are composed of allhrvisam. Some un stream channels, some ocesr on the valle cent to a channel, and some are on or hanling sediment. Consequently, large rivers with streams capacity high flow velocities have large capacities petence is a measure of a stream. We will cooskler tie natredia transport particles based on size rather than uantity Ilow velocity is key: Swift streams have greater compe- tencies than slow streams, regardless of channel size. A streams square of its velocity. Thus, if the velocity of a stream doubles, the impact foree of the water is times; if the velocity triples, the force increases n a streams ability tolater in the chapter 16.4 Concept Checks . Describe two processes tby which sr s competence increases proportionately to the channels in bedrock 2. In what three ways does a stream creases four times, and so forth Hence, large bolders that are often visible in low water and seem immovable can, in fact load7 Which part of the load move 3. Explain the difference between capaci be transported during exceptional floods because of the stream's increased competence. competency 4. What is settling velocity? What factors By now it shoukd be clear why the greatest erosion and settling velocity? Does settling transportation of sediment occur during periods water associated with floods. The increase in discharge dissolved load? EYE ON EARTH 16.1 he meandering White River in Arkansas is a tributary of the Mississippi River. QUESTION 1 In this aerial view, the color of the White River is brown. What part of the stream's load gives it this color? QUESTION 2 If a channel were created across the narrow land shown by the arrow, how would the river's gradient change? QUESTION 3 How would the flow velocity be affected by the formation of such a channel? neck of

Explanation / Answer

1.Suspended load is the reason for that brown color. Because suspended load contains the clay or the silt and the eroded meateial from the channel.

The load has particles that are not diluted easily and that are not deposited easily. So they travel till they reach the ocean.

2. When a channel is formed the gradient will Decrease slowly

3. The flow velocity will be high when there is a meander but it takes very long time. And when the channel is formed the flow velocity increases as the distance is decreasing.

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