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http://dx.doi.org/10.21729/ksds.2022.15.3.23

A Study on the Estimation of the Design Flood for Small Catchment in Jirisan  

Chang, Hyung Joon (Department of Cadastral & Engineering, Gangwon State University)
Kim, Seong Goo (Hyeopseong.co)
Yoon, Young Ho (Department of Cadastral & Engineering, Gangwon State University)
Kim, Min Ho (Graduate school of Disaster Prevention Kangwon National University)
Publication Information
Journal of Korean Society of Disaster and Security / v.15, no.3, 2022 , pp. 23-29 More about this Journal
Abstract
The frequency of localized heavy rain is increasing due to the influence of abnormal climate that is rapidly increasing in recent years. As a result, the difficulty of safe water resource management is increasing and human and material damage is increasing. Various countermeasures are being established to reduce the damage caused by localized heavy rain, but small-scale mountain catchments are experiencing many difficulties due to the lack of a basic plan. Therefore in this study the risk of flooding was evaluated using the rainfall-runoff model in the Yu-pyeong catchment national park among national parks in Korea. As a result of the analysis, it was simulated that flooding occurred in the Yu-pyeong catchment of Mt. Jirisan when rainfall with a recurrence frequency of 50 years or more occurred, and it was confirmed that there was a high risk of structures, safety facilities and trails.
Keywords
Ungauged catchments; Rainfall-runoff model; WMS; National park; Jirisan;
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