36.2. Storage Coefficient (S)

Try these first

1. 1.

   Define storage coefficient.

   Hint

   Remember, it relates to water's ability to be stored or released.

2. 2.

   What is the typical range for the storage coefficient in unconfined aquifers?

   Hint

   Think about specific yield.

3. 3.

   What is the typical range for the storage coefficient in confined aquifers?

   • 10^-1 to 10^-3
   • 10^-3 to 10^-5
   • 10^-2 to 10^-4

   Hint

   Think about pressure and compressibility.

4. 4.

   True or False: The storage coefficient in unconfined aquifers is lower than that of confined aquifers.

   • True
   • False

   Hint

   Recall the specific yield concept.

5. 5.

   Given a confined aquifer with a compressibility of 3 x 10^-9 and a specific storage of 2 x 10^-5, calculate how much water would be released under a 2m head change.

   Hint

   Keep track of your units and verify your formula application.

6. 6.

   Discuss methods engineers can use to manage groundwater yields effectively considering varying storage coefficients in aquifers.

   Hint

   Think about balancing water needs with preservation.