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• W2598434489 abstract "기후변화로 인한 홍수와 가뭄 발생빈도의 증가는 전 세계적인 문제이다. 특히, 가뭄은 환경, 생태, 사회, 경제적인 측면에 영향을 미치는 심각한 재해로 인식되고 있다. 따라서 이에 대한 연구와 대책 마련이 필요하다. 본 연구에서는 한강유역의 기상학적 가뭄지수를 산정하여 기후변화가 가뭄에 미치는 영향을 분석하였다. 기후변화에 관한 정부 간 협의체(Intergovernmental Panel on Climate Change, IPCC)에서 제공하는 대표농도경로 시나리오(Representative Concentration Pathways, RCPs)를 사용하여 기후변화에 따른 한강유역의 기상학적 가뭄 발생 횟수 변화를 일반적인 가뭄과 극심한 가뭄으로 구분하여 분석을 수행하였다. 1973 - 2010년을 현재 분석기간으로 선정하였으며, 시나리오 자료를 사용하여 미래기간(Target I : 2011 - 2039, Target II: 2040 - 2069, Target III : 2070 - 2099)을 구분하였다. -1.0과 -1.5보다 작은 표준강수지수의 발생횟수를 SPI 3, 6, 12 별로 각각 분석 하였다. 분석결과를 살펴보면, 한강유역의 강우의 경향성은 현재보다 증가할 것으로 예측되었고, 가뭄의 발생횟수는 미래로 갈수록 감소할 것으로 예측되었다. 그러나 장기가뭄으로 갈수록 가뭄발생횟수는 증가하는 것으로 분석되었고, 극심한 가뭄보다는 보통 가뭄의 발생횟수 역시 더욱 크게 산정되었으며, 한강유역의 미래가뭄분석의 기초자료로 활용될 수 있을 것으로 판단된다. The increased frequency of drought and flood due to climate change was a global problem. In particular, drought was recognized as a serious environmental, ecological, social, and economic disaster. Therefore, it is necessary to study the measures to prevent it. In this study, we will estimate the meteorological drought index in the Han River Basin and analyze the impact of climate change on drought. The change of the meteorological drought occurrence due to climate change in the Han River separated by the common drought and severe drought was analyzed using the Representative Concentration Pathways (RCPs) scenarios provided by the Intergovernmental Panel on Climate Change (IPCC). The years 1973 - 2010 were selected for analysis in the current period. Using the scenario, we separated the future period (Target I: 2011 - 2039, Target II: 2040 - 2069, Target III : 2070 - 2099). The number of occurrences of less than -1.0 and -1.5 standard precipitation index were analyzed by SPI 3, 6, 12. Looking at the results, trends in rainfall in the Han River was expected to increase from the current figures, the occurrence of drought is predicted to decline in the future. However, the number of drought occurrence was analyzed to increase toward long-term drought. The number of severe drought occurrences was usually larger than the common drought estimated. Additional studies may be considered in addition to the agricultural drought, hydrological drought, socio-economic drought. This will be done by using efficient water management. The results can be used as a basis for future drought analysis of the Han River." @default.
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• W2598434489 date "2016-11-30" @default.
• W2598434489 modified "2023-09-27" @default.
• W2598434489 title "Analysis of Future Meteorological Drought Index Considering Climate Change in Han-River Basin" @default.
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• W2598434489 doi "https://doi.org/10.17663/jwr.2016.18.4.432" @default.
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