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Open AccessArticle

A Projection of Extreme Precipitation Based on a Selection of CMIP5 GCMs over North Korea

1
Ministry of Environment, Han River Flood Control Office, Seoul 06501, Korea
2
K-Water Convergence Institute, K-Water, Daejeon 34045, Korea
3
Department of Statistics, University of Seoul, Seoul 02504, Korea
4
Division for Integrated Water Management, Korea Environment Institute, Sejong 30147, Korea
*
Author to whom correspondence should be addressed.
Sustainability 2019, 11(7), 1976; https://doi.org/10.3390/su11071976
Received: 15 March 2019 / Revised: 28 March 2019 / Accepted: 2 April 2019 / Published: 3 April 2019
The numerous choices between climate change scenarios makes decision-making difficult for the assessment of climate change impacts. Previous studies have used climate models to compare performance in terms of simulating observed climates or preserving model variability among scenarios. In this study, the Katsavounidis-Kuo-Zhang algorithm was applied to select representative climate change scenarios (RCCS) that preserve the variability among all climate change scenarios (CCS). The performance of multi-model ensemble of RCCS was evaluated for reference and future climates. It was found that RCCS was well suited for observations and multi model ensemble of all CCS. Using the RCCS under RCP (Representative Concentration Pathway) 8.5, the future extreme precipitation was projected. As a result, the magnitude and frequency of extreme precipitation increased towards the farther future. Especially, extreme precipitation (daily maximum precipitation of 20-year return-period) during 2070-2099, was projected to occur once every 8.3-year. The RCCS employed in this study is able to successfully represent the performance of all CCS, therefore, this approach can give opportunities managing water resources efficiently for assessment of climate change impacts. View Full-Text
Keywords: climate change scenario; impact assessment; CMIP5; Katsavounidis-Kuo-Zhang; representative climate change scenario climate change scenario; impact assessment; CMIP5; Katsavounidis-Kuo-Zhang; representative climate change scenario
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Sung, J.H.; Kwon, M.; Jeon, J.-J.; Seo, S.B. A Projection of Extreme Precipitation Based on a Selection of CMIP5 GCMs over North Korea. Sustainability 2019, 11, 1976.

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