Keywords
Abstract
Flood relocation decisions alter household accessibility, commuting behavior, and neighborhood integration. Agent-based flood disaster modeling provides a framework for representing heterogeneous household choices before damaging flood events occur. These choices must be interpreted within urban systems, where polycentric development, sub-center formation, and commuting networks shape relocation outcomes. Commuting matrix estimation supports empirical measurement of travel flows, while counterfactual planning analysis enables comparison of alternative relocation or land-use scenarios. Urban systems science further emphasizes that household decisions aggregate into cross-scale planning and governance effects. Built environment characteristics and housing price variation affect whether safer relocation destinations remain affordable. This literature cluster shows that flood adaptation is not only a disaster-risk problem but also a mobility and urban systems problem. Relocation policy should therefore evaluate hazard exposure, commuting accessibility, housing-market constraints, and long-term metropolitan spatial organization.
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