WebMay 15, 2007 · The improved rational hydrograph (IRH) method is based on the linear system theory described by Chow et al. (1988). Moreover, the following physical assumptions are considered: (1) the impulse response function of a catchment area is rectangular-shaped and ends at the time of concentration; (2) WebMay 15, 2007 · The improved rational hydrograph (IRH) method is based on the linear system theory described by Chow et al. (1988). Moreover, the following physical assumptions are considered: (1) the impulse response function of a catchment area is rectangular-shaped and ends at the time of concentration; (2)
Improved rational hydrograph method - ScienceDirect
WebNov 11, 2024 · The return period probability of precipitation can be computed using Chow et al. ( 1988) Equation ( 3 ): \mathrm {q}=1\hbox {--} {\left (1-\mathrm {p}\right)}^ {\mathrm {N}} (3) where q is the return period probability, N return period (years), p … WebNormal Ratio method (Chow et al, 1988). This method is based only on past observations of that rain gauge and surrounding gauges. However, there are other important factors such as distances among rain gauges, aerial coverage of each gauge etc., which are disregarded in this method but are proved to have significant influences steve sterling obituary
Routing surface runoff to a basin outlet - Utah State …
WebMar 14, 2024 · It is well known that the rational method assumes that the time of concentration is used to estimate the duration of the design storm that is used in the computation of the rainfall intensity (Chow et al., 1988). Therefore, a thorough investigation of this issue is made here to test the application of such a rule of thumb in the arid region. WebJul 1, 1987 · PDF On Jul 1, 1987, WONG-HO CHOW and others published Response from Dr. Chow, et al Find, read and cite all the research you need on ResearchGate Web[17] For the river stretches, which include both channels and associated floodplains, discharge is calculated by the kinematic wave approximation of the Saint-Venant equation [Chow et al., 1988]. steve sterling coins