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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.11
- 수록면
- 61 - 75 (15page)
- DOI
- https://doi.org/10.5389/KSAE.2021.63.6.061
이용수
초록· 키워드
오류제보하기
This study aims to assess the changes in crop water requirement of paddy and upland according to future climate and land use changes scenarios.
Changes in the spatiotemporal distribution of temperature and precipitation are factors that lower the stability of agricultural water supply, and predicting the changes in crop water requirement in consideration of climate change can prevent the waste of limited water resources. Meanwhile, due to the recent changes in the agricultural product consumption structure, the area of paddy and upland has been changing, and it is necessary to consider future land use changes in establishing an appropriate water use plan. Climate change scenarios were derived from the four GCMs of the CMIP6, and climate data were extracted under two future scenarios, namely SSP1-2.6 and SSP5-8.5. Future land use changes were predicted using the FLUS (Future Land Use Simulation) model. Crop water requirement in paddy was calculated as the sum of evapotranspiration and infiltration based on the water balance in a paddy field, and crop water requirement in upland was estimated as the evapotranspiration value by applying Penman-Monteith method. It was found that the crop water requirement for both paddy and upland increased as w e go to the far future, and the degree of increase and variability by time showed different results for each GCM. The results derived from this study can be used as basic data to develop sustainable water resource management techniques considering future watershed environmental changes.
목차
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참고문헌 (33)
참고문헌 신청
Allen, R. G. / 1998 / Crop evapotranspiration: guidelines for computing crop requirements
Allen, R. G. / 1989 / Operational estimates of reference evapotranspiration / Agronomy Journal 81(4):650~662
Batty, M. / 1997 / Urban systems as cellular automata / Environment and Planning B : Planning and Design 1997(24):159~164
Chen, Y. / 2014 / Modeling urban land-use dynamics in a fast developing city using the modified logistic cellular automaton with a patch-based simulation strategy / International Journal of Geographical Information Science 28(2):234~255
Cho, J. P. / 2013 / Impact assessment of climate change for agricultural reservoirs considering uncertainty
Allen, R. G. / 1989 / Operational estimates of reference evapotranspiration / Agronomy Journal 81(4):650~662
Batty, M. / 1997 / Urban systems as cellular automata / Environment and Planning B : Planning and Design 1997(24):159~164
Chen, Y. / 2014 / Modeling urban land-use dynamics in a fast developing city using the modified logistic cellular automaton with a patch-based simulation strategy / International Journal of Geographical Information Science 28(2):234~255
Cho, J. P. / 2013 / Impact assessment of climate change for agricultural reservoirs considering uncertainty
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