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ﻫﯿﺪروﮔﺮاف واﺣﺪ ﻟﺤﻈه ای
tcc adjusted time of concentration of a catchment for incorporation of the effects of a downstream channel reach (h) tsd storage-delay time of a channel reach (h) w(T) instantaneous unit hydrograph of a channel reach V average flow velocity through a channel reach (m/s)
standard deviation of the instantaneous unit hydrograph of a channel reach
if1 in the instantaneous unit hydrograph (IUH) from the channel reach:
& In Equation (9-28), u(T) is the IUH of the channel reach and 8(0) is the Dirac delta function at
The IUH of a channel reach shows a negative impulse at T = 0 and exponential
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