Regional Rainfall Frequency Analysis at Gangwon State Considering Non-stationartiy and SSPs Scenario 


Vol. 39,  No. 4, pp. 84-92, Aug.  2024
10.14341/JKOSOS.2024.39.4.84


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  Abstract

Due to recent intense rainfall driven by climate change, measures to protect lives and property from floods and enhance safety have become increasingly urgent. The design rainfall used in the construction of hydraulic structures, such as dams and levees, is crucial for determining the size of these structures. This study utilized climate change scenarios SSP1-2.6 and SSP5-8.5 to calculate the design rainfall that reflects future climate change factors and compared the results of each technique. This study analyzed the effect of altitude on cluster formation using the altitude of rainfall stations, which is a key procedure in regional frequency analysis. This study compared at-site frequency analysis and regional frequency analysis depending on the frequency analysis technique and evaluated differences between the SSP1-2.6 and SSP5-8.5 climate change scenarios. Additionally, three non-stationarity models were compared to account for non-stationarity. Results indicated that conducting regional frequency analysis by basin or region is more appropriate than performing it at the national level. It was suggested that combining at-site frequency analysis with regional frequency analysis could provide a comprehensive comparison of the results.

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  Cite this article

[IEEE Style]

김상욱 and 전영일, "Regional Rainfall Frequency Analysis at Gangwon State Considering Non-stationartiy and SSPs Scenario," Journal of the Korean Society of Safety, vol. 39, no. 4, pp. 84-92, 2024. DOI: 10.14341/JKOSOS.2024.39.4.84.

[ACM Style]

김상욱 and 전영일. 2024. Regional Rainfall Frequency Analysis at Gangwon State Considering Non-stationartiy and SSPs Scenario. Journal of the Korean Society of Safety, 39, 4, (2024), 84-92. DOI: 10.14341/JKOSOS.2024.39.4.84.

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