Water-Table Fluctuation in Response to Recharge

by Miguel A. Mariño, (M.ASCE), Asst. Prof.; Dept. of Water Sci. and Engrg., Univ. of California, Davis, CA,


Serial Information: Journal of the Irrigation and Drainage Division, 1974, Vol. 100, Issue 2, Pg. 117-125

Document Type: Journal Paper


Analytical expressions are developed which describe the rise and fall of the water table in an extensive unconfined aquifer receiving localized vertical recharge and discharging into a surface reservoir in which the water level remains equal to that of the main flow before the incidence of recharge. The rate of recharge is maintained by a spreading area in the form of an infinitely long strip of finite width. The solutions are expressed in terms of the head averaged over the depth of saturation. They are applicable when the rise of the water table is smaller than 50% of the initial depth of saturation. A numerical example is presented.

Subject Headings: Water discharge | Water table | Overland flow | Reservoirs | Water level | Numerical analysis | Numerical methods

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