Multi-criteria decision support systems for flood hazard mitigation and emergency response in urban watersheds

  • Levy J
  • Hartmann J
  • Li K
 et al. 
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Abstract

Flood management problems are inherently complex, time-bound and
multi-faceted, involving many decision makers (with conflicting
priorities and dynamic preferences), high decision stakes, limited
technical information (both in terms of quality and quantity), and
difficult tradeoffs. Multi-Criteria Decision Support Systems (MCDSS) can
help to manage this complexity and decision load by combining value
judgments and technical information in a structured decision framework.
A brief overview of MCDSS is presented, an original MCDSS architecture
is put forth, and future research directions are discussed, including
extensions to Multi-Criteria Spatial Decision Support Systems and group
MCDSS (as flood management involves shared resources and broad
constituencies). With application to the September 11-12, 2000 Tokai
floods in Japan, the proposed multi-criteria decision support
instruments enhance communication among stakeholders and improve
emergency management resource allocation. In summary, by making the
links among flood knowledge, assumptions and choices more explicit,
MCDSS increases stakeholder satisfaction, saves lives, and reduces flood
management costs, thereby increasing decision-making effectiveness,
efficiency and transparency.

Author-supplied keywords

  • Decision support systems
  • Flood hazard
  • Japan
  • Planning
  • Risk assessment

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Authors

  • Jason K. Levy

  • Jens Hartmann

  • Kevin W. Li

  • Yunbi An

  • Ali Asgary

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