As has happened throughout the world, environmental and water quality problems related to developing urban and industrial areas and associated accumulation of waste in built-up areas were the main factors in contributing to sanitary awareness in South Africa. The dwindling water resources and persistent deterioration of water quality, more severely in urban areas, necessitates the review the current practice of stormwater management in South Africa. Reliable stormwater drainage models evaluating both the water quantity and quality could be essential in confronting the prevailing pollution problems. The objective of this project was conceived to be the development of a system for the simulation of water quality in urban watercourses. A personal computer compatible model for joint transposition of hydrograph and pollutographs in open channels was developed. The model comprises an operational data handling facility, a user friendly and interactive interface. The study revealed that: Urban and Industrial development results in complication of the urban water system. Single objectivity approaches in management of urban watercourses are outdated. The proposed model is capable of simultaneously routing flood and pollutant constituent waves in open channels. Understanding of aspects of the water quality in urban watercourse can be greatly enhanced by the proposed model. The following recommendations were henceforth made: Detailed study of the nature, quantity and sources of pollutants in the urban water system. Sophisticated (dynamic wave, supercritical flow, complicated geometry) hydrodynamic model should be considered. Biological and chemical process in the urban watercourse be incorporated. Linking of the water quality model to the storm water drainage model.
|Degree Type||Masters degree|