Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Overland Flow from Time-Distributed Rainfall
The influence of time-varying rainfall on overland flow is investigated. The kinematic wave equations for turbulent flow (across a plane, impermeable surface) are solved using a time-varying rainfall appropriate for thunderstorms. The peak discharge is shown to be a function of surface length, total precipitation, storm duration, and time to equilibrium for rainfall of constant intensity. For rainfall durations equal or less than the time-of-concentration, there is little difference between peak discharges estimated using time-varying rainfall and rainfall of constant intensity. For rainfall of long relative duration, the thunderstorm distribution gives much higher peak discharges.
Overland Flow from Time-Distributed Rainfall
The influence of time-varying rainfall on overland flow is investigated. The kinematic wave equations for turbulent flow (across a plane, impermeable surface) are solved using a time-varying rainfall appropriate for thunderstorms. The peak discharge is shown to be a function of surface length, total precipitation, storm duration, and time to equilibrium for rainfall of constant intensity. For rainfall durations equal or less than the time-of-concentration, there is little difference between peak discharges estimated using time-varying rainfall and rainfall of constant intensity. For rainfall of long relative duration, the thunderstorm distribution gives much higher peak discharges.
Overland Flow from Time-Distributed Rainfall
Hjelmfelt, Allen T. (Autor:in)
Journal of the Hydraulics Division ; 107 ; 227-238
01.01.2021
121981-01-01 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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