oa Civil Engineering = Siviele Ingenieurswese - Reservoir yield in arid regions with limited records
|Article Title||Reservoir yield in arid regions with limited records|
|© Publisher:||South African Institution Of Civil Engineering (SAICE)|
|Journal||Civil Engineering = Siviele Ingenieurswese|
|Author||K.S. Lund, G.A. & Bylsma|
|Publication Date||Apr 1972|
|Pages||153 - 161|
|Keyword(s)||Arid regions, Catchment evaluation, Evapotranspiration, Hydrological data, Reservoir design, Reservoir yield, Surface runoff and Water quantity|
This method was developed primarily as a practical solution to the problem of reservoir yield determination in arid areas where there is a paucity of hydrological and meteorological data. By examination of the physical characteristics of the catchment, surface runoff is related to rainfall and catchment wetness. The latter is determined by the quantity of water held in the 'soil cover reservoir', the area of which extends over the entire catchment and the depth of which is defined by the average depth to which evapotranspiration effects the depletion of this reservoir. Results show that short-term runoff records can be extended with confidence. The extended record is used in a simple and rapid method to determine the optimum design of a reservoir.
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