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©1998 W James

updated 1998-10-23

In a simple plot, R Pecher summarised published values of the runoff coefficient.
He searched the literature for and obtained relationships between runoff coefficient and runoff duration from 15 different sources, plotting them as Figure 1 on p. 5 of his dissertation ("Der Abflussbeiwert und seine abhägigkeit von der Regendauer", Berichte aus de Institut für Wasserwirtschaft und Gesundheitsingenieurwesen Technische Hochschule München Nr. 2, 1969, ca 200pp.)