Practice Specific Yield In Unconfined Aquifers (35.6) - Specific Yield

Practice: Specific Yield in Unconfined Aquifers

Lesson 35.6Specific Yield

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10 questions

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6 sample questions

Question 1.
What is specific yield?
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Think about how much water can be used compared to the total amount.
Question 2.
Is specific yield found in confined or unconfined aquifers?
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Remember how water is held in confined aquifers.
3Question 3.
What does specific yield measure?
- Total volume of aquifer
- Volume of water that drains due to gravity
- Water retention capacity
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Focus on how gravity influences available water.
4Question 4.
Is specific yield higher in sand compared to clay?
- True
- False
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Consider the characteristics of different soil types.
Question 5.
Consider an unconfined aquifer with a specific yield of 0.3. If the area of influence during pumping is 1000 m² and the water table declines by 5 meters, how much water is released in cubic meters?
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Use the water release formula carefully.
Question 6.
Analyze the impact of a new agricultural policy that encourages deep well pumping in an area noted for clay soil, known to have a typically low specific yield. How might this affect the local aquifer sustainability?
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Think about the implications of excessive water extraction on ecosystems and water levels.

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