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Extending flood damage assessment methodology to include sociological and environmental dimensions

MF Viljoen, LA Du Plessis, HJ Booysen

Abstract


Optimal and sustainable flood plain management, including flood control, can only be achieved when the impacts of flood control measures are considered for both the man-made and natural environments, and the sociological aspects are fully considered. Until now, methods/models developed to determine the influences of floods and flood control measures in South Africa, and elsewhere in the world, focus on the man-made environment and neglect the natural environment and social dimensions. Two models, recently completed in South Africa, namely FLODSIM (flood damage simulation model for irrigation areas) and TEWA (flood damage simulation model for urban areas) are cases in point. This paper gives an overview of the development of flood damage assessment and mitigation methodology in South Africa. Emphasis is placed on the evolution from the traditional ex-post approach to the latest ex-ante approach in which the sociological and natural environmental dimensions are included. Deliverables from the presentation should be of value to researchers and managers in the fields of flood management and environmental impact assessment worldwide.


WaterSA Vol.27(4) 2001: 517-522



http://dx.doi.org/10.4314/wsa.v27i4.4965
AJOL African Journals Online