Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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The Case Study of Economic Value Assessment of Spring Rainfall in the Aspect of Water Resources

수자원 측면에서의 봄비의 경제적 가치평가 사례 연구

  • Park, So-Yeon (Policy Research Laboratory, National Institute of Meteorological Research) ;
  • Ryoo, Kyong-Sik (R&D Planning & Management Dept. K-Water Institute) ;
  • Kim, Jung-Yun (Policy Research Laboratory, National Institute of Meteorological Research) ;
  • Kim, Baek-Jo (Policy Research Laboratory, National Institute of Meteorological Research)
  • 박소연 (국립기상연구소 정책연구과) ;
  • 류경식 (한국수자원연구원 연구기획처) ;
  • 김정윤 (국립기상연구소 정책연구과) ;
  • 김백조 (국립기상연구소 정책연구과)
  • Received : 2013.06.26
  • Accepted : 2013.11.15
  • Published : 2014.02.28
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Abstract

The direct-runoff of South Korea's representative dams (Soyanggang, Chungju, Andong, Daecheong, and Seomjingang) and precipitation were analyzed mainly with the evenly distributed spring rainfall events across the country for the last five years. For precipitation, an increasing was presented during the period 2008-2011, but did not continue to increasing 2012. The average precipitation of the five dams displayed a similar trend. Except for Chungju and Andong Dams, the trend of runoff was similar to the one shown in the precipitation. Despite the precipitation of 2009 increased, the runoff volume decreased for Andong and Chungju Dams. In addition, Chungju Dam remarkably showed a bigger runoff volume compared to other dams. As for the Sumjingang Dam, the runoff volume was the smallest, and the difference is as great as over 15-fold when compared to other runoff values. After the result of analyzing the relation between a single runoff event and synoptic weather patterns, pattern 4 contributed to the greatest impact on this event and weather patterns. The total runoff volume of the five dams for spring rain event for the last five years that exhibited this characteristic was estimated at 5.68 billion tons($10^6m^3$). Lastly, the value of this estimation was assessed as approximately 273.1 billion KRW.

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References

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