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기후변화를 고려한 제주지역의 권역별 가뭄 평가 및 농업용수에의 영향 고찰

Regional Drought Assessment Considering Climate Change and Relationship with Agricultural Water in Jeju Island


Recently, the occurrences of droughts have been increased because of global warming and climate change. Water resources that mostly rely on groundwater are particularly vulnerable to the impact of precipitation variation, one of the major elements of climate change, are very sensitive to changes in the seasonal distribution as well as the average annual change in the viewpoint of agricultural activity. In this study, the status of drought for the present and future on Jeju Island which entirely rely on groundwater using SPI and PDSI were analyzed considering regional distribution of crops in terms of land use and fluctuation of water demand. The results showed that the precipitation distribution in Jeju Island is changed in intensity as well as seasonal variation of extreme events and the amount increase of precipitation during the dry season in the spring and fall indicated that agricultural water demand and supply policies would be considered by regional characteristics, especially the western region with largest market garden crops. Regarding the simulated future drought, the drought would be mitigated in the SPI method because of considering total rainfall only excluding intensity variation, while more intensified in the PDSI because it considers the evapotranspiration as well as rainfall as time passed. Moreover, the drought in the northern and western regions is getting worse than in the southern region so that the establishment of regional customized policies for water supply in Jeju Island is needed.

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참고문헌 (17)

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이 논문을 인용한 문헌 (3)

  1. Song, Sung-Ho ; Lee, Byung-Sun ; Choi, Kwang-Jun ; Kim, Jin-Sung ; Kim, Gi-Pyo 2014. "Evaluation of Drought Effect on Groundwater System using Groundwater Level Data in Jeju Island" Journal of environmental science international = 한국환경과학회지, 23(4): 637~647 
  2. Park, Jong-Chul ; Choi, Kwang-Jun ; Song, Sung-Ho 2014. "Prediction of Regional Drought considering Aspect and Elevation in Jeju Island under Future Climate Change" Journal of environmental science international = 한국환경과학회지, 23(4): 649~660 
  3. Song, Seong-Ho 2015. "" 전원과 자원 = Rural resource, 57(4): 25~30 


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