Spatial Planning, Urban Growth, and Flooding-Contrasting Urban Processes in Kigali and Kampala
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PhD Research: Urban growth is a factor known to intensify local flooding. By orienting urban development, land use planning may contribute to reduce flood risk through regulatory constraints. Two case studies were developed to determine the extent to which such strategy may be effective: Kigali, Rwanda (where land use regulations are stringently applied) and Kampala, Uganda (with much less effective institutions but important infrastructure investments over the last decade). Both cities are mid-sized (one to two million inhabitants), they share a physical context of hilly terrain and low-lying flood prone valleys but with divergent policy and institutional organizations. Two main hypotheses were investigated based on the case studies. The relations between the physical system, through recurrent flooding, and the human settlement pattern were first explored. Urban growth is one cause of increased flooding but, in turn, flooding was thought to contribute to the urban pattern's evolution. Secondly, and based on this premise, a land use management system (with regulation a prominent component) was proposed as a flood risk mitigation strategy: these questions hinged around …
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