Optimization of Unit Hydrograph Determination

by Larry W. Mays, Asst. Prof.; Dept. of Civ. Engrg., Univ. of Texas at Austin, Austin, Tex.,
Lynn Coles, Planner; Texas Dept. of Water Resources, Austin, Tex.; formerly, Grad. Research Asst., Dept. of Civ. Engrg., Univ. of Texas at Austin, Austin, Texas.,

Serial Information: Journal of the Hydraulics Division, 1980, Vol. 106, Issue 1, Pg. 85-97

Document Type: Journal Paper

Discussion: Ford David T. (See full record)
Discussion: Wormleaton Peter R. (See full record)
Discussion: Byrnes Timothy E. (See full record)
Closure: (See full record)

Abstract: A linear programming model is developed for the optimal determination of unit hydrographs. The model determines the best unit hydrograph by minimizing the sum of deviation between observed and calculated runoff hydrographs. The principles of linearity and superposition of unit hydrograph theory are the basis of the model. Several multiperiod rainfall events can be considered simultaneously for the optimal unit hydrograph determination. The model is tested using both hypothetical and actual rainfall events.

Subject Headings: Hydrographs | Hydrologic models | Rainfall | Computer programming | Runoff | Linear functions | Model tests |

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