Abstract: A continuous time function with two parameters for a curvilinear dimensionless unit hydrograph (CDUH) is derived from the unit hydrograph in the form of a gamma probability density function. This equation is then applied ...

Abstract: This paper shows that the initial value of any instantaneous unit hydrograph (IUH) should be a positive value, however small. This unique characteristic is clearly demonstrated by the IUH of overland flow derived for a ...