Recursion formula for unit hydrographs
Beni P. Sangal · Canadian Journal of Civil Engineering · 1986
A recursion formula has been derived that can be used for either converting short-duration unit hydrographs to long-duration ones or long-duration unit hydrographs to short-duration ones. Thus an alternative to developing an S-hydrograph for this purpose is proposed. Examples on the use of the formula have been provided. Key words: hydrograph, hydrology, S-hydrograph, unit hydrograph, unitgraph.