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http://dx.doi.org/10.3741/JKWRA.2016.49.10.863

A development of downscaling scheme for sub-daily extreme precipitation using conditional copula model  

Kim, Jin-Young (Department of Civil Engineering, Chonbuk National University)
Park, Chan-Young (Department of Civil Engineering, Chonbuk National University)
Kwon, Hyun-Han (Department of Civil Engineering, Chonbuk National University)
Publication Information
Journal of Korea Water Resources Association / v.49, no.10, 2016 , pp. 863-876 More about this Journal
Abstract
Climate change projections for precipitation are in general provided at daily time step. However, sub-daily precipitation data is necessarily required for hydrologic design and management. Thus, a reliable downscaling model is needed to analyze impact of climate change on water resources. While daily downscaling models have been widely developed and applied in hydrologic and climate community, hourly downscaling models have not been properly developed. In this regard, this study aims at developing a hourly downscaling model that can better reproduce sub-daily extreme rainfalls using conditional copula model. The proposed model was applied to generate extreme rainfalls under the RCP 8.5 scenario for weather stations in South Korea, and design rainfalls were then finally provided. We expected that the future design rainfalls can be used for baseline data to evaluate impact of climate change on water resources.
Keywords
Design Rainfall; Conditional Copula; Downscaling; RCP Scenario;
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Times Cited By KSCI : 11  (Citation Analysis)
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