• Unit Hydrograph Method is the most popular and widely used method for predicting flood hydrograph resulting from a known storm • First suggested by Sherman in 1932 Definition: A unit hydrograph is ...

• Unit hydrographs assume uniform distribution of rainfall over the catchment and uniform intensity during the duration of rainfall excess. In practice, these two conditions are never satisfied. • ...

operations in hydrology, such as drawing hydrographs. In this example, we describe how to draw a hydrograph for the North Oconee River in Athens, GA. An hydrograph is the combination of two plots: * ...

Unit hydrographs (UH) are either determined from gauged data or derived using empirically-based synthetic unit hydrograph procedures. In Saudi Arabia, the discharge records may not be available either ...

In this study, Clark’s model has been used for derivation of one-hour unit hydrograph for a catchment. The design flood estimate has been obtained using the calibrated parameters of the Clark model ...

ABSTRACT: Present study emphasizes the applicability of linear theory concept onto hilly watersheds. For this purpose, Z-transform technique was used to derive the instantaneous unit hydrograph (IUH) ...

Stochastic rainfall/runoff models are at the forefront of hydrologic modeling state-of-practice. These models have increasingly been used by the Reclamation Technical Service Center (TSC) to estimate ...