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Theodore Cleveland Page 1 CIVE 7332 Groundwater Contaminant Transport 8/13/2017 Exercises 1. Prepare a glossary (definitions) of the following terms: a. Aquifer b. Recharge c. Irrigation return flow d. Water rights e. Litigation f. Capture zone g. Leachate plume h. Geologic setting i. Unconfined aquifer j. Yield (as in high-yield well) k. Aquifer heterogenities 2. List the type of modeling (i.e. generic, interpretive, or predictive) that is appropriate for each of the following problems. Prepare a brief justification for your choice. a. A planning agency wants to determine the effect of pumping a high-yield irrigation well on four nearby wells that are used for domestic water supply and are located at distances of 0.2, 0.4, 0.9, 1.1 km from the irrigation well. b. A hydrologist wants to estimate the change in hydraulic conductivity across a 125 meter wide fault zone through an unconfined sandstone aquifer. c. A lawyer wants to estimate seasonal fluctuations in the water table resulting from a change in timing and distribution of groundwater recharge from irrigation return flow. The change in recharge was brought about by recent litigation involving water rights. d. A consulting firm wants to determine what types of aquifer heterogeneities would cause a 25% reduction in the size of the capture zone of a well designed to pump D:\81964766.doc Theodore Cleveland Page 2 CIVE 7332 Groundwater Contaminant Transport 8/13/2017 contaminated water from what was thought to be a homogeneous outwash aquifer. e. A regulatory agency wants to estimate the probable pathway of a leachate plume emanating from a hypothetical landfill for a variety of hydrogeologic settings that are representative of a large regional area. 3. Review the U.S. EPA’s well head protection program (use a web browser to find relevant information). State your opinion on the types of models appropriate to accomplish program goals in a specific type of geologic setting. Provide justification for your opinion. 4. One step in the modeling protocol in Section 1.4 of the reading is model verification. What would be the effects of omission of this step on the applications considered in problem 2. D:\81964766.doc