Past Exam for GEOL 127 - HYDROGEOLOGY with Horner at Cal State-Sacramento (CSUS)

Exam Information

Material Type:Final
University:California State University - Sacramento
Term:Fall 2006
  • Observation
  • Sand and Gravel
  • Impermeable
  • Hydraulic Conductivity
  • Conductivity
  • Constituents
  • Darcy's Law
  • Hydraulic Head
  • Confined Aquifer
  • On the Ground
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Sample Document Text

Name ______________________ Geology 127 Final Exam Fall, 2006 Short answer questions. (5 points each) 1) State Darcy’s law. Draw a picture of a Darcy tube, and label the variables used in Darcy’s law. 2) What is the difference between advection and dispersion? 1 3) What is the difference between specific yield and specific retention? 4) How is storativity different in a confined and an unconfined aquifer? 2 5) A confined aquifer is contained between two impermeable bedrock valley walls. The valley walls are 9,840 ft apart, and the aquifer extends for more than 15 miles along the trace of the ancient drainage system. The aquifer is a sand and gravel interval that is 95 ft thick, and is completely confined by a continuous clay cap that averages 10 ft in thickness. The hydraulic conductivity of the clay cap is 0.0031 ft/d. The hydraulic conductivity of the aquifer averages 875 ft/d. Two observation wells are located 4550 ft apart along the direction of flow. The measured hyd...

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