Estimating flood volumes and hydrographs corresponding to peak flows of given frequencies for small agricultural watersheds

A method is presented for obtaining estimates of flow volumes and flood hydrographs corresponding to flood peak frequency values for watersheds of 20 to 20,000 acres. Flood flow volumes and hydrographs can be used for design purposes, as they are near the maximum that can be expected to occur with the flood peak of the chosen probability. The method was derived from watersheds at Coshocton, Ohio, and its evaluations may be expected to be reasonable for similar watersheds in that area. The method may also be applicable to watershed data elsewhere.