SA Waterbulletin August 1988

Abstract

There is a need in southern Africa for hydrological information which will assist engineers and hydrologists responsible for the planning of hydraulic structures, in making economic and safe design decisions. Three new reports, emanating from a WRC project, now offer an up-to-date guide on the application of SCS-based techniques in design hydrology for small catchments. Report IT 31/87 Flood volume and peak discharge from small catchments in southern Africa, based on the SCS technique This report is basically a design manual. In Part 1 detailed background information and theory is given for the professional designer requiring a comprehensive guide to modelling assumptions and research findings. Part 2 outlines procedures for use of the SCS model in southern Africa, and provides a detailed breakdown of the steps required to determine runoff volume, peak discharge and hydrograph shape.

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