Imagine You Have a Layer of Limestone with High Porosity

question 57

Multiple Choice

Imagine you have a layer of limestone with high porosity but low permeability.What can you do to increase its permeability to allow water to be pumped from the layer and used as a source of drinking water?

• A) Add salt to the water to increase its density so that it flows more readily.
• B) Drill down to the layer and set off explosives in the hole to fracture the rock.
• C) Remove the overburden so that there will be less pressure trapping the water.
• D) Increase the hydraulic conductivity by adding metals to the water.

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