KSCE Journal of Civil and Environmental Engineering Research (대한토목학회논문집)

Korean Society of Civil Engeneers (대한토목학회)
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Application of Regional Rainfall Frequency Analysis in South Korea(I): Rainfall Quantile Estimation

우리나라 강우자료의 지역빈도해석 적용성 연구(I): 확률강우량 산정

Heo, Jun-Haeng;Lee, Young-Seok;Shin, Hong-Joon;Kim, Kyung-Duk
허준행;이영석;신홍준;김경덕

  • Published : 20070300

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Abstract

In this study, regional rainfall frequency analysis was conducted to overcome the drawbacks of at-site frequency analysis, which can be observed in case of short records at the sites of interest. For this purpose, 378 gaging stations were divided into 14 regions by using Fuzzy technique, which is one of the clustering methods. For each region, regional shape estimation and index flood methods as regional frequency analysis and at-site frequency analysis were applied to rainfall data. As the results, regional frequency analysis gave more stable quantile estimates than at-site one did. And index flood method was prefer to regional shape estimation method based on the characteristics of L-CV (coefficient of variation) of Korean rainfall data.

Keywords

References

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