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A Variable Unit Hydrograph Incorporating Nonlinearity In Rainfall-Runoff Response Due To Antecedent Watershed Conditions, Aashis Sapkota
A Variable Unit Hydrograph Incorporating Nonlinearity In Rainfall-Runoff Response Due To Antecedent Watershed Conditions, Aashis Sapkota
Electronic Theses and Dissertations
Runoff generation in a watershed is a highly complex process whose estimation is vital in performing engineering tasks such as flooding risk assessments and design of hydraulic structures. Because natural rainfall-runoff processes are complex and inherently nonlinear, they are difficult to quantify or parametrize. In engineering hydrology, this issue has been mostly circumvented by using highly simplified, lumped approaches. Typically, losses are abstracted from a total precipitation hyetograph (representing either an actual or a design storm, depending on the application) to obtain the effective rainfall component, that is understood to result in the corresponding flood event. Then, this effective precipitation …