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4 cards from this section. Quick, good the night before a test.
What does porosity refer to?
Think about how much empty space is in a material.
Define specific yield.
Consider how much water can flow out of an aquifer.
What is porosity a measure of?
Remember what porosity indicates about a rock's ability.
True or False: Specific yield is the total amount of water an aquifer can hold.
Think of how much can flow out versus total storage.
Given an aquifer with a porosity of 30%, calculate the volume of water it can hold if the total volume is 10,000 m³.
Use the porosity percentage to find the water volume.
If a pumping test reveals a drawdown of 2 m in a well and the storage coefficient is 0.05, what is the volume of water released for an area of 500 m²?
Remember the formula for storage coefficient!
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