Research on establishment of the region flood protection standard - a case of watershed of Dajiaxi, Taiwan

Hsueh Sheng Chang, Qingmu Su, Takahiro Katayama

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Due to the global climate change and the substantial increase in impervious area, ‘never flooding’ becomes an unrealistic goal. From the perspective of integrated flood management, the government and public need to reach a consensus on disasters and disaster response, and set a reasonable regional protection standard for the city to jointly respond to disasters. This study establishes an operable framework for setting protection standard. The framework uses cost-benefit analysis and data envelopment analysis to maximize the efficiency of water management, so as to compare the differences between different administrative districts under the same return period and between different return period under the same administrative districts, and then determines the best protection standard. The results find that adopting a unified protection standard will not maximize the benefits of resources, but it can be used as a basis for setting flood control standards for different public facilities and building types.

Original languageEnglish
JournalUrban Water Journal
DOIs
Publication statusAccepted/In press - 2021

All Science Journal Classification (ASJC) codes

  • Geography, Planning and Development
  • Water Science and Technology

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