Note on estimating the unit hydrograph (effective rainfall unknown)

When effective rainfalls are unknown, estimates of the unit hydrograph can be made using general nonlinear optimisation techniques. However, such techniques have a disadvantage in that there is no guarantee against convergence to a suboptimal solution. An alternative approach is outlined where the o...

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Published inJournal of hydrology (Amsterdam) Vol. 73; no. 3; pp. 383 - 388
Main Authors Bardsley, W.E., Petch, R.A.
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier B.V 01.01.1984
Elsevier Science
Subjects
Earth sciences
Earth, ocean, space
Exact sciences and technology
Hydrology. Hydrogeology
Hydrographs
Hydrology
Algorithms
Runoff
Drainage basins
Watershed
Trickling
Atmospheric precipitation
Floods
Algorithm
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ISSN0022-1694
1879-2707
DOI10.1016/0022-1694(84)90010-6

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Summary:When effective rainfalls are unknown, estimates of the unit hydrograph can be made using general nonlinear optimisation techniques. However, such techniques have a disadvantage in that there is no guarantee against convergence to a suboptimal solution. An alternative approach is outlined where the original problem is reformulated so as to be amenable to solution by a mixed integer linear programming algorithm. The alternative method can approximate the optimum solution to any degree of accuracy, subject to computer requirements.
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ISSN:0022-1694
1879-2707
DOI:10.1016/0022-1694(84)90010-6