Spatial planning institutions in urban flood management in Kampala and Kigali and their implications for integrated spatial modelling

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Recent research has looked at questions of flood management in Kampala, Uganda in the context of climate change by combining an urban development model and a dynamic flood model. This work is now being extended to include Kigali, Rwanda. Both Kampala and Kigali face enormous and complex developmental problems: relatively weak economic performance; the urbanization of poverty; relatively poor infrastructure (roads, public transport, water, sanitation, health, education, etc.); complex environmental management issues including regular flash flooding; etc.. Both Kampala and Kigali have recently prepared new urban plans that are now being implemented. The paper examines three main issues: what policy instruments for urban growth management and flood management are in place in the two cities; to what extent do their governance environments allow these instruments to be effectively applied; how such differences could or should influence the design and performance of integrated urban flood modelling approaches. Our analyses from Kampala suggest that ineffective of urban planning and management procedures are a significant factor in increasing storm water run-off rates and discharge as well as in increasing the level of exposure of communities to flooding due to the occupation of flood prone areas. In Kigali, where urban planning and enforcement has recently become stronger, integrated models may still provide useful insights into potential problems through ex-ante evaluation of the impact of urban development projects.
Book of proceedings: Annual AESOP Congress, Definite Space – Fuzzy Responsibility, Prague, 13-16th July, 2015
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