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Time Scale Of Groundwater Recharge: A Generalized Modeling Technique, Makhan Virdi
Time Scale Of Groundwater Recharge: A Generalized Modeling Technique, Makhan Virdi
USF Tampa Graduate Theses and Dissertations
Estimating the quantity of water that reaches the water table following an infiltration event is vital for modeling and management of water resources. Estimating the time scale of groundwater recharge after a rainfall event is difficult because of the dependence on nonlinear soil characteristics and variability in antecedent conditions. Modeling the flow of water through the variably saturated zone is computationally intensive since it requires simulation of Richards' equation, a nonlinear partial differential equation without a closed-form analytical solution, with parametric relationships that are difficult to approximate. Hence, regional scale coupled (surface water - groundwater) hydrological models make simplistic assumptions …