Faunt (2009) describes a detailed groundwater-flow model of the Central Valley aquifer system in California. Download a copy of U.S. Geological Survey Professional Paper 1766 and read it.

Describe the authors' conceptual model of the hydrologic system prior to development and as the system currently exists.

Describe how recharge rates are estimated for the model and the model calibration process.

Problem 9.2

Select a groundwater region (it may or may not be one of the regions discussed in Chapter 9) and do a survey of published recharge estimates for that region. Describe the range of estimates. Discuss the methods that were used, and analyze the validity of assumptions inherent to the methods.

References

Faunt, C.C. (ed.), 2009, Groundwater availability of the Central Valley aquifer, California, U.S. Geological Survey Professional Paper 1766.

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