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Author Question: A meandering river is flowing in a broad, alluvial valley and the river is silt-laden but also moves ... (Read 93 times)

WWatsford

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on: Feb 28, 2020

Question 1

Downcutting (also known as rejuvenation) of a stream may be due to ________.
◦ uplift of land
◦ rising of sea level
◦ a decreased gradient
◦ thermal expansion

Question 2

A meandering river is flowing in a broad, alluvial valley and the river is silt-laden but also moves sand and a small amount of gravel. The government decides to build a dam across the valley for power and flood control. What will happen to the river downstream of the dam?
◦ The river will respond to the new temporary base level and cut laterally outside its valley, widening the valley.
◦ The river will start to deposit sand and gravel, frequently spilling out of its channel.
◦ The river will not change.
◦ The trapping of silt in the reservoir will change the river to a braided stream because it will only have sand and gravel in its sediment load.
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Marked as best answer by WWatsford on Feb 28, 2020

ultraflyy23

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Reply #1 on: Feb 28, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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WWatsford

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Reply 2 on: Feb 28, 2020
Great answer, keep it coming :)

tkempin

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Reply 3 on: Yesterday
Wow, this really help

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