한국농공학회논문집 (Journal of The Korean Society of Agricultural Engineers)

  • 제46권7호
  • /
  • Pages.71-80
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  • 2004
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  • 1738-3692(pISSN)
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  • 2093-7709(eISSN)
한국농공학회 (The Korean Society of Agricultural Engineers)
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A System for Estimating Daily Paddy Irrigation Water Requirements in Simulating Daily Streamflow

  • Noh Jae Kyoung (Department of Rural Infrastructure Engineering, Chungnam National University)
  • 발행 : 2004.12.01
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초록

A system for estimating daily paddy irrigation water requirements was developed to simulate daily stream flows that reflect various upstream and downstream return flows from river basin. Evapotranspiration in paddy fields was estimated using the modified Penman equation. Daily irrigation water requirements of paddy fields were calculated by multiplying the paddy area and the daily decrease in ponding depth. The system was constructed almost completely using images, grids, etc. in Visual Basic 6.0. The developed model was verified in the Damyang dam, and was used to estimate daily paddy irrigation water requirements at 12 small watersheds in Geum river basin for 20 years, from 1983 to 2002, covering paddy field areas of $3,332\~26,422$ ha. The results on the runoff analysis on the inflow to the Daecheong multi-purpose dam with various return flows were satisfactory. They were reasonable compared to the scenario where return flows were not considered.

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참고문헌

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  14. Noh, Jaekyoung, Jinyoung Lee, and Yongshin Jin, 2003, Return flows considered DAWAST model, Proceedings 2003 of Korean Society of Agricultural Engineers, Jeju, Korea, pp.503-506

피인용 문헌

  1. Design and Implementation of Reference Evapotranspiration Database for Future Climate Scenarios vol.22, pp.4, 2016, https://doi.org/10.7851/ksrp.2016.22.4.071