Moving Water Tables in Tile-Drained Soils

by Nazar M. Awan, Reader; Civ. Engrg. Dept., West Pakistan Univ. of Engrg. and Technol., Lahore, West Pakistan,
Terence O'Donnell, Reader in Engrg. Hydrol.; Civ. Engrg. Dept., Imperial Coll. of Sci. and Technol., London, England,

Serial Information: Journal of the Irrigation and Drainage Division, 1972, Vol. 98, Issue 3, Pg. 459-477

Document Type: Journal Paper


A Hele-Shaw analogy of the tile drainage problem was used to provide data on moving water table characteristics. The experimental data for water table recession following complete cessation of recharge are presented in comparison with five analytical solutions (due to Glover, Brooks, Kirkham, Hammad and Jenab et al) and two numerical solutions (Isherwood and Moody). Experimental data on rising water tables following sudden commencement of recharge are also presented. The drainage variables whose effects on the moving water table are reported are: (1) The initial or final steady-state mid-drain water table height; (2) the depth of the impermeable bed below the drain axis; and (3) the drain size.

Subject Headings: Drainage | Hydrologic data | Water table | Soil water | Tiles | Comparative studies | Numerical analysis | Steady states | Alabama | United States

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