This study aims to identify how different evolution patterns of the central Pacific (CP) El Niño influence seasonal rainfall and intense rainfall occurrence in Korea. The results suggest that changes in the CP El Niño can influence the spatiotemporal patterns of seasonal and heavy rainfall over East Asia. Specifically, for the Korean Peninsula, rainfall was typically lower during the years with the abrupt-decaying and prolonged-decaying CP El Niño evolution patterns. During the symmetric-decaying years, more rainfall occurred over the Korean Peninsula, and heavy rainfall events were concentrated in the central regions. Hence, flooding poses a risk to the Korean Peninsula and such risks may be heightened during symmetric-decaying CP El Niño years. Although this study relies on relatively short-term observation events and samples, the results provide a starting point for a more detailed examination of the large-scale and local factors for developing adaptive strategies to protect water resources and to plan for extreme weather events in a changing climate.
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Research Article|
December 05 2016
Seasonal rainfall variability in Korea within the context of different evolution patterns of the central Pacific El Niño
Jong-Suk Kim;
Jong-Suk Kim
1State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan 430072 China
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Chan-Young Son;
Chan-Young Son
2Department of Civil Engineering, University of Seoul, Seoul, 02504, South Korea
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Young-Il Moon;
2Department of Civil Engineering, University of Seoul, Seoul, 02504, South Korea
3Urban Flood Research Institute, University of Seoul, Seoul, 02504, South Korea
E-mail: [email protected]
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Joo-Heon Lee
Joo-Heon Lee
4Department of Civil Engineering, Joongbu University, KyungGi, 10279, South Korea
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Journal of Water and Climate Change (2017) 8 (3): 412–422.
Article history
Received:
February 05 2015
Accepted:
September 05 2016
Citation
Jong-Suk Kim, Chan-Young Son, Young-Il Moon, Joo-Heon Lee; Seasonal rainfall variability in Korea within the context of different evolution patterns of the central Pacific El Niño. Journal of Water and Climate Change 1 September 2017; 8 (3): 412–422. doi: https://doi.org/10.2166/wcc.2016.020
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