Journal of Korean Society of Water and Wastewater (상하수도학회지)

The Korean Society of Water and Wastewater (대한상하수도학회)
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Distribution of average intervent times between adjacent rainfall events for overflow risk-based design of storm-water infiltration basin

월류위험도 기반 침투형저류지 설계를 위한 평균무강우지속시간도 작성

  • 김대근 (목포대학교 공과대학 건설공학부 토목공학전공) ;
  • 박선중 (목포대학교 공과대학 건설공학부 토목공학전공)
  • Received : 2008.01.08
  • Accepted : 2008.03.10
  • Published : 2008.04.15
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Abstract

This study collected the latest 30-year (1976~2005) continuous rainfall data hourly recorded at 61 meterological observatories in Korea. The continuous rainfall data was divided into individual rainfall events. In addition, distribution charts of average intervent times between adjacent rainfall events were created to facilitate the application to the overflow risk-based design of storm-water infiltration basin. This study shows that the one-parameter exponential distribution is suitable for the frequency distribution of the average intervent times for the domestic rainfall data. Distribution charts of the average intervent times were created for 4 hour and 6 hour of storm separation time, respectively. The inland Gyeongsangbuk-do and Western coastal area had relatively longer average intervent times, whereas Southern coastal area and Jeju-do had relatively shorter average intervent times.

Keywords

Acknowledgement

Supported by : 한국과학재단

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