Flood risk management in Sint Maarten - A coupled agent-based and flood modelling method

Journal of Environmental Management
Yared Abayneh AbebeArlex Sanchez

Abstract

Disaster risk reduction is a major concern of small island developing states. Measures to reduce risk should not only be based on the magnitude of physical hazard, but also on the exposure and vulnerability of communities. In this article, we examine flood risk management policies in the Caribbean island of Sint Maarten using coupled agent-based and flood models. The agent-based model is used to model actors' behaviour in relation to urban building development and policies that are designed to reduce flood hazard and communities' vulnerability and exposure. The policies considered in the model are a Beach Policy, a Building and Housing Ordinance, a Flood Zoning policy and hazard mitigation structural measures. The flood model is used to simulate coastal and pluvial floods on the island. Agent behaviour such as building new houses and implementing hazard reduction measures affect the flood model as these actions affect the rainfall-runoff process. The flood maps generated from the updated flood model simulations are then used to assess the impact and update agents' attributes and behaviour. The simulations results show that low-lying areas are populated, which increases the exposure, and the number of vulnerable houses is also h...Continue Reading

References

Feb 1, 2011·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Z VojinovicR K Price
Nov 18, 2017·Risk Analysis : an Official Publication of the Society for Risk Analysis·Gina L Tonn, Seth D Guikema

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