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Evaluation of drought and flood risks in a multipurpose dam under climate change: a case study of Chungju Dam in Korea

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  • Soojun Kim
  • Jaewon Kwak
  • Hui Noh
  • Hung Kim

Abstract

The purpose of this study was to evaluate the effects of climate change on the drought and flood risks of a multipurpose dam. To achieve this, A2 climate change scenarios of RegCM3 were collected about Chungju Dam in Korea. To analyze drought risks, weather data obtained by the statistical downscaling method were entered to produce runoff series by runoff modeling and water balance was analyzed based on water use scenarios to review changes in the storage volume under climate change. To analyze flood risks, changes in water levels of the dam in future flood seasons were reviewed based on the current dam operation method. The results of the review indicated that both the drought and the flood risks of the dam would increase in the future. The reason was considered to be the movement of the flood season’s runoff characteristics from July and August to August and September because of climate change. Therefore, for climate change adaptation planning, not only quantitative changes in hydrologic values but also changes in temporal characteristics should be considered and given importance. Copyright Springer Science+Business Media Dordrecht 2014

Suggested Citation

  • Soojun Kim & Jaewon Kwak & Hui Noh & Hung Kim, 2014. "Evaluation of drought and flood risks in a multipurpose dam under climate change: a case study of Chungju Dam in Korea," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 73(3), pages 1663-1678, September.
    • Handle: RePEc:spr:nathaz:v:73:y:2014:i:3:p:1663-1678
    DOI: 10.1007/s11069-014-1164-x
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    References listed on IDEAS

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    1. Manoj Jha & Zaitao Pan & Eugene S. Takle & Roy Gu, 2003. "Impacts of Climate Change on Stream Flow in the Upper Mississippi River Basin: A Regional Climate Model Perspective, The," Center for Agricultural and Rural Development (CARD) Publications 03-wp337, Center for Agricultural and Rural Development (CARD) at Iowa State University.
    2. Manoj Jha & Jeffrey G. Arnold & Philip W. Gassman & Roy Gu, 2004. "Climate Change Sensitivity Assessment on Upper Mississippi River Basin Streamflows Using SWAT," Center for Agricultural and Rural Development (CARD) Publications 04-wp353, Center for Agricultural and Rural Development (CARD) at Iowa State University.
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    Cited by:

    1. Jongsung Kim & Myungjin Lee & Heechan Han & Donghyun Kim & Yunghye Bae & Hung Soo Kim, 2022. "Case Study: Development of the CNN Model Considering Teleconnection for Spatial Downscaling of Precipitation in a Climate Change Scenario," Sustainability, MDPI, vol. 14(8), pages 1-20, April.
    2. Foudi, Sébastien & McCartney, Matthew & Markandya, Anil & Pascual, Unai, 2023. "The impact of multipurpose dams on the values of nature's contributions to people under a water-energy-food nexus framing," Ecological Economics, Elsevier, vol. 206(C).

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