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Questions and Answers
What is the main way in which running water can change the landscape around it?
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?
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?
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?
In what stage of the aging process of a stream valley does vigorous downward erosion occur?
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What causes vigorous and energetic water flow in the youth stage of a stream valley?
What causes vigorous and energetic water flow in the youth stage of a stream valley?
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What characterizes a stream valley in the maturity stage?
What characterizes a stream valley in the maturity stage?
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Why are stream valleys in their youth stage characterized by interrupted stream flow?
Why are stream valleys in their youth stage characterized by interrupted stream flow?
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What leads to a stream valley becoming more susceptible to floods in the old age stage?
What leads to a stream valley becoming more susceptible to floods in the old age stage?
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In which stage does a stream valley erode the sides of the valley instead of eroding downward?
In which stage does a stream valley erode the sides of the valley instead of eroding downward?
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What happens to the stream flow gradient as a stream valley progresses from youth to old age?
What happens to the stream flow gradient as a stream valley progresses from youth to old age?
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