composite unit hydrograph

Superposition of unit hydrographs for the important subdivisions of a large catchment, with the times of beginning of rise appropriately lagged by the times of travel from the outlets of the sub-areas to the outlet of the catchment.

 

Source:

UNESCO/WMO International Glossary of Hydrology (2nd revised ed., 1992)

Posted on February 8, 2014 .