||Transient Behavior of Recharge-Discharge Areas in Regional Groundwater Systems.
Tsen, Ming-Te ;
Raga, Robert M. ;
Sternber, Yaron M. ;
||Maryland Univ., College Park. Water Resources Research Center.
||TR-12; DI-14-31-0001-3220; OWRR-A-017-MD; 09105,; A-017-MD(1)
Ground water ;
Mathematical models ;
Unsteady flow ;
Ground water recharge ;
Computer programs ;
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Mathematical models were developed for theoretical analysis of the unsteady fluid motion in an unconfined homogeneous, isotropic aquifer subject to local recharge. The models apply to one- and two-dimensional analysis of the flow problems within the saturated zone. Numerical solutions were obtained for the outflow hydrograph and the temporal variation of the free surface for the one-dimensional case. For the two-dimensional analysis, the temporal and spatial variations of flow patterns were also attained. These numerical results were compared with the experimental data from a Hele-Shaw model. (Modified author abstract)