한국농공학회논문집 (Journal of The Korean Society of Agricultural Engineers)

  • 제51권2호
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  • Pages.35-41
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  • 2009
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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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기후변화가 낙동강 권역의 논 관개용수 수요량에 미치는 영향

Climate Change Impacts on Paddy Irrigation Requirement in the Nakdong River Basin

  • 정상옥 (경북대학교 농업토목공학과)
  • 발행 : 2009.03.31
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초록

The impacts of climate change on paddy irrigation requirements for Nakdong river basin in Korea have been analyzed. The HadCM3 model outputs for SRES A2 and B2 scenarios and International Water Management Institute $10'{\times}10'$ pixels observed data were used with kriging method. Maps showing the predicted spatial variations of changes in climate parameters and paddy irrigation requirements have been produced using the GIS. The results showed that the average growing season temperature was projected to increase by $2.2^{\circ}C$ (2050s A2), $0.0^{\circ}C$ (2050s B2), $3.7^{\circ}C$ (2080s A2) and $2.9^{\circ}C$ (2080s B2) from the baseline (1961-1990) value of $21{\circ}C$. The average growing season rainfall was projected to increase by 15.2% (2050s A2), 24.2% (2050s B2), 41.4% (2080s A2) and 16.7% (2080s B2) from the baseline value of 900 mm. Average volumetric irrigation demands were projected to decrease by 3.7% (2050s A2), 7.0% (2050s B2), 10.2% (2080s A2) and 1.4% (2080s B2) from the baseline value of $1.25{\times}10^9\;m^3$. These results can be used for the agricultural water resources development planning in the Nakdong river basin for the future.

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피인용 문헌

  1. The Impacts of Climate Change on Paddy Water Demand and Unit Duty of Water using High-Resolution Climate Scenarios vol.54, pp.2, 2012, https://doi.org/10.5389/KSAE.2012.54.2.015
  2. Assessing Sensitivity of Paddy Rice to Climate Change in South Korea vol.8, pp.12, 2016, https://doi.org/10.3390/w8120554
  3. Climate Change Impacts on Paddy Irrigation Requirement in the Nakdong River Basin vol.51, pp.2, 2009, https://doi.org/10.5389/KSAE.2009.51.2.035
  4. Analysis of design water requirement of paddy rice using frequency analysis affected by climate change in South Korea vol.112, 2012, https://doi.org/10.1016/j.agwat.2012.06.002
  5. Projection of Future Water Supply Sustainability in Agricultural Reservoirs under RCP Climate Change Scenarios vol.56, pp.4, 2014, https://doi.org/10.5389/KSAE.2014.56.4.059
  6. Climate Change Impacts on Agricultural Drought with Consideration of Uncertainty in CMIP5 Scenarios vol.65, 2016, https://doi.org/10.1002/ird.2035
  7. Climate Change Impacts on Paddy Water Requirement vol.53, pp.4, 2011, https://doi.org/10.5389/KSAE.2011.53.4.037