Ground-Water Recharge Strip Basin Experiments

by Richard R. Brock, (M.ASCE), Chmn. of Civ. Engrg. Fac. and Assoc. Prof.; California State Univ., Fullerton, CA,
Abnish C. Amar, (A.M.ASCE), Res. Hydr. Engr.; Hydrologic Engrg. Ctr., U.S. Army Corps of Engrs., Davis, CA,


Serial Information: Journal of the Hydraulics Division, 1974, Vol. 100, Issue 4, Pg. 569-592


Document Type: Journal Paper

Abstract: The problem of recharging a strip basin to a horizontal water table overlying an impervious base was formulated using the saturated flow equations. From this formulation the number of dimensionless variables that determine a dimensionless water table rise were identified using the exact or potential theory and an approximate Dupuit-Forcheimer (D-F) theory. Experiments performed in a 5-m-long sand model are described in detail and the results presented and compared with the linear D-F theory for the rising portion of the experiments. As a dimensionless recharge rate was increased, an expected systematic deviation from the D-F theory that is presumably a result of the invalidity of the D-F assumption for such deep flows. Experimental results are presented in the form of dimensionless graphs and the tabulated results are available upon request.

Subject Headings: Recharge basins | Water table | Base flow | Water flow | Sandy soils | Linear functions | Groundwater recharge

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