Development of a flood-damage-based flood forecasting technique

Eui Hoon Lee, Joong Hoon Kim

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Flood forecasting is a pre-emptive non-structural measure used to mitigate inundation. Most current flood forecasting techniques incorporate complex processes, such as training and optimization, before the technique can be applied. Conventional flood forecasting techniques, based on flood volume, provide alerts even if there is no significant risk of flood damage. In this study, a new flood forecasting technique has been developed based on likely flood damage using the multi-dimensional flood damage analysis method. This new flood forecasting technique overcomes the drawbacks of current flood forecasting techniques because it can be easily applied using rainfall data. The studied drainage area was divided into subareas, and the damage functions were obtained for each subarea using the flood volumes and damage information. Using these damage functions, the rainfall intensity when the flood damage initially occurred was calculated for each duration and subarea. The damage graph produced for flood forecasting in each subarea identified the rainfall intensities and durations that resulted from the initial occurrence of flood damage. This new flood forecasting technique could be used to save lives, valuable assets, and manage drainage areas.

Original languageEnglish
Pages (from-to)181-194
Number of pages14
JournalJournal of Hydrology
Volume563
DOIs
Publication statusPublished - 2018 Aug 1

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flood damage
flood forecasting
damage
precipitation intensity
drainage
rainfall

Keywords

  • Damage graph
  • Flood damage
  • Flood forecasting
  • Flood volume

ASJC Scopus subject areas

  • Water Science and Technology

Cite this

Development of a flood-damage-based flood forecasting technique. / Lee, Eui Hoon; Kim, Joong Hoon.

In: Journal of Hydrology, Vol. 563, 01.08.2018, p. 181-194.

Research output: Contribution to journalArticle

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