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Journal of the Korean Society of Hazard Mitigation 2012;12(2):255-262.
Published online April 30, 2012.
서귀포해역 폭풍해일에 의한 설계조위 예측
문승록, 강주환, 박선중, 심재설
Prediction of design water level due to storm surge at the Seogwipo Coastal Zone
Seung Rok Moon, Ju Whan Kang, Seon Jung Park, Jae Seol Shim
Abstract
Seogwipo coastal zone is the area where they develop marine tourism resources, and extend port facilities. However, the area is in concern for great damage since it is in the area of most typhoon paths to Korea. This study analyzes the characteristics of the Jeju coastal zone through analysis on significant weather elements, such as typhoons. This research also examines the design water level by the storm surge of the Port Seogwipo. The design water level was calculated frequency analysis, including the highest water level, surge height by time, observed storm surge height at the approach of a typhoon, and the storm surge height by the result of numerical simulation. It also suggests the problem that cannot reflect the recent dramatic climatic changes. To settle, it is needed to use it in actual work-site operations through constant data management and numerical simulation of storm surges.
Key Words: Design wate level; Storm surge; Frequency analysis; Seogwipo
요지
서귀포해역은 해안 관광자원 개발 및 항만시설 확대 등이 추진되고 있는데, 우리나라에 내습하는 대부분 태풍의 영향권에 포함되어 많은 피해가 우려되는 지역이다. 본 연구에서는 태풍과 같은 악기상 요소의 분석을 통해 제주도 해역의 특성을 파악하였으며, 서귀포항의 폭풍해일에 의한 설계조위를 검토하였다. 설계조위는 고극조위, 매시간별 조위편차, 태풍 내습시 관측해일고 및 수치모의 결과에 의한 해일고 등의 빈도분석 결과를 토대로 산정하였는데, 최근 급격한 기후변화 양상을 반영할 수 없는 문제점도 함께 제시하였다. 이러한 문제를 해결하기 위해서는 지속적인 자료관리 및 고도의 폭풍해일 수치모의 방안을 통한 활용이 현업에 요구된다.
핵심용어: 설계조위; 폭풍해일; 빈도분석; 서귀포
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