River Basin Hydro-Salinity-Economic Modeling

by Henry O. Fapohunda, Lect.; Dept. of Agricultural Engrg., Univ. of Ife, Ife, Nigeria,
Robert W. Hill, (A.M.ASCE), Assoc. Prof.; Dept. of Agricultural and Irrigation Engrg., Utah State Univ., Logan, Utah 84322,

Serial Information: Journal of the Irrigation and Drainage Division, 1981, Vol. 107, Issue 1, Pg. 53-69

Document Type: Journal Paper


A method is presented that combines a crop yield/economic model with a hydrologic-salinity simulation model to estimate irrigation management effects of sequential water use in a river basin. Crop yields are assumed to be a function of seasonal evapotranspiration and soil solution salinities. The combined model was applied to the Hadejia River Basin in northern Nigeria. The relative efficiency of water use, with respect to crop production, is presented for selected management alternatives.

Subject Headings: Crops | Simulation models | Rivers and streams | Basins | Hydrologic models | Management methods | Water use | Water conservation | Nigeria | Africa

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