Journal of The Korean Society of Agricultural Engineers (한국농공학회논문집)

The Korean Society of Agricultural Engineers (한국농공학회)
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Development of Estimation Technique for Rice Yield Reduction by Inundation Damage

침수피해에 의한 벼 감수량 추정기법 개발

  • 박종민 (농림부 농촌개발국 농촌용수과) ;
  • 김상민 (서울대학교 농업생명과학연구원) ;
  • 성충현 (동부엔지니어링 수자원환경부) ;
  • 박승우 (서울대학교 농업생명과학대학)
  • Published : 2004.01.01
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Abstract

The amount of rice yield reduction due to inundation should be estimated to analyse economic efficiency of the farmland drainage improvement projects because those projects are generally promoted to mitigate flood inundation damage to rice in Korea. Estimation of rice yield reduction will also provide information on the flood risk performance to farmers. This study presented the relationships between inundated durations and rice yield reduction rates for different rice growth stages from the observed data collected from 1966 to 2000 in Korea, and developed the rice yield reduction estimation model (RYREM). RYREM was applied to the test watershed for estimating the rice yield reduction rates and the amount of expected average annual rice yield reduction by the rainfalls with 48 hours duration, 10, 20, 50, 100, 200 years return periods.

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References

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