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Understanding Stream Valleys

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Questions and Answers

What is the main way in which running water can change the landscape around it?

By decreasing the flow speed of the water

By reducing erosion in the area

By depositing broken-down rock or soil (correct)

By creating a wide and level floodplain

What defines a stream valley?

The presence of slow-moving water

Having a wide and level bottom called a floodplain (correct)

Consisting of only vertical rock walls

Being located at a high elevation

Why are floodplains important in stream valleys?

To designate areas where water fills during floods (correct)

To provide a habitat for aquatic organisms

To decrease erosion and sediment transport

To increase the speed of water flow

In what stage of the aging process of a stream valley does vigorous downward erosion occur?

Youth stage Signup and view all the answers

What causes vigorous and energetic water flow in the youth stage of a stream valley?

Uplifted landmass with steep gradient Signup and view all the answers

What characterizes a stream valley in the maturity stage?

Having a U-shaped valley Signup and view all the answers

Why are stream valleys in their youth stage characterized by interrupted stream flow?

Because of boulders, rapids, and waterfalls Signup and view all the answers

What leads to a stream valley becoming more susceptible to floods in the old age stage?

Wide floodplain with gentle slopes Signup and view all the answers

In which stage does a stream valley erode the sides of the valley instead of eroding downward?

Maturity stage Signup and view all the answers

What happens to the stream flow gradient as a stream valley progresses from youth to old age?

Becomes gentler Signup and view all the answers

Understanding Stream Valleys

Choose a study mode

Podcast

Questions and Answers

What is the main way in which running water can change the landscape around it?

What defines a stream valley?

Why are floodplains important in stream valleys?

In what stage of the aging process of a stream valley does vigorous downward erosion occur?

What causes vigorous and energetic water flow in the youth stage of a stream valley?

What characterizes a stream valley in the maturity stage?

Why are stream valleys in their youth stage characterized by interrupted stream flow?

What leads to a stream valley becoming more susceptible to floods in the old age stage?

In which stage does a stream valley erode the sides of the valley instead of eroding downward?

What happens to the stream flow gradient as a stream valley progresses from youth to old age?

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