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백승협 ( Seung Hyub Baeck ) 한국수처리학회 2013 한국수처리학회지 Vol.21 No.2
The Han River has complex flow characteristics due to the tides, tributaries, channel structures, and discharge from dams. There are 2 submerged weirs in the lower Han River; one at Chamsil and the other at Singok. The Singok submerged weir was constructed to maintain the intake water level and the waterway level as well as to prevent the decrease of ground water level and change to ecosystem due to the saltwater intrusion during the development of the Han River. However, the Seoul city has recently announced the basic plan for Han River 2030 where the weirs will be examined to determine whether or not they need to be removed or improved upon. This study analyzed the characteristics of the Han River flow by considering the effect of current Singok submerged weir location using hydraulic flood model, MIKE 11 by changing the location as well as removing the submerged weir. The model results show that the water level is increased from 0.01m to 1.066m due to the location change. And 27.30% of the Janghang and 9.93% of the Sannam wetland protection area will be expected to be under the water. The changing of the weir increased the velocity speed of up to 18.63% while by removing the weir, the velocity speed increased up to 28.56%. In addition, MIKE 21 model was applied to investigate the bed level changes and these results will be useful to setting up basic plan for Han River.
김길호,백승협,정영훈,김경탁,Kim, Gilho,Baeck, Seung Hyub,Jung, Younghun,Kim, Kyungtak 한국농공학회 2016 한국농공학회논문집 Vol.58 No.4
Since public facilities have high property values and are directly exposed to the flood hazard, they account for the highest share of disaster damages compared to other assets such as housing, industry, vehicle and agriculture in case of floods. Therefore, this study was conducted to develop and suggest the potential flood damage index for public facilities to evaluate potential flood damage of specific local government directly or indirectly as a tool for decision-making related to flood prevention, maintenance, management, and budget allocation. The flood damage assessment system proposed in this study was evaluated in 231 local governments nationwide. Evaluation results showed that higher values were obtained in Seoul metropolitan government, Gyeonggi-do (province), coastal areas in Gyeongsangnam-do (province), and Jeju island.
풍수해 피해예측지도 연계·활용을 위한 표준 메타데이터 설계
서강현,황의호,백승협,임소망,채효석,SEO, Kang-Hyeon,HWANG, Eui-Ho,BAECK, Seung-Hyub,LIM, So-Mang,CHAE, Hyo-Sok 한국지리정보학회 2017 한국지리정보학회지 Vol.20 No.3
본 연구는 풍수해 피해예측지도 활용 고도화에 필요한 표준 메타데이터를 시범 설계하고, 이를 기반으로 표준메타정보관리 프로토타입 시스템 구축을 목적으로 하였다. 이를 위해, 국내 외 메타데이터 표준 현황 조사를 통해 가장 활용도가 높은 것으로 분석된 ISO/TC211 19115 국제표준을 기반으로 표준 메타데이터 설계 방향을 설정하였으며, 식별정보, 기준계정보, 배포정보 등 9개의 클래스로 구분하여 메타데이터를 시범 설계하였다. 또한, 본 연구에서 설계한 표준 메타데이터를 바탕으로 메타속성정보를 확인 및 다운로드할 수 있는 표준메타정보관리 프로토타입 시스템을 HTML 기반 JAVASCRIPT 언어로 구축하였다. 본 연구결과를 활용한다면, 표준화된 통합 풍수해 피해예측지도 데이터베이스 구축을 통해 향후 구축되는 피해예측지도의 품질유지가 가능해지며, 풍수해 피해예측 시스템 운영에 필요한 데이터 관리 및 제공 등을 통해 효율적인 재난대응에 활용가능할 것으로 사료된다. This study aims at designing standard metadata that can be incorporated for advanced utilization of damage prediction maps, and thereby constructing the standard meta-information management prototype system on the basis of the proposed design. Based on the ISO/TC 211 19115 international standard, which is considered as the most widely used standard (as per the results of a domestic and foreign metadata standard survey), the designing process for the standard metadata was established and the metadata was categorized into nine classes. Additionally, based on the output of the standard metadata design process, a standard meta-information management prototype system, capable of checking and downloading meta-property information, was constructed using the JAVASCRIPT language. By incorporating the obtained results, it is possible to maintain the quality of the constructed damage prediction map by establishing a standardized damage prediction map database. Furthermore, disaster response can be actuated through the provision and management of data for effective operation of the proposed damage prediction system.
김동영 ( Dong-young Kim ),백승협 ( Seung-hyub Baeck ),박광하 ( Gwang-ha Park ),황의호 ( Eui-ho Hwang ),채효석 ( Hyo-sok Chae ) 한국지리정보학회 2017 한국지리정보학회지 Vol.20 No.1
최근 전 세계적으로 지구온난화, 기후변화 등으로 태풍, 지진해일, 폭염 및 폭설 등과 같은 수재해의 피해가 대규모로 확대되었다. 특히 태풍으로 인한 경제적 손실은 1960년대 이후 경제개발 및 도시화로 인한 인구과밀지역에서 크게 나타나고 있다. 본 연구에서는 2016년 한반도를 강타한 태풍 차바를 비롯하여 태풍 루사(`02), 태풍 매미(`03) 및 태풍 볼라벤(`12)에 대하여 한반도 내습 전·후 촬영된 위성 현황에 대하여 조사 및 분석을 실시한 결과, 기존 위성을 활용함에 있어 한계를 느끼게 되었다. 국내 위성은 주로 기상, 해양, 지형 및 통신 등의 목적으로 개발·운영됨으로 물 관리 및 수재해 대응에 필요한 시·공간적 데이터 관측 정보가 많이 부족하였다. 때문에 국외 위성으로 범위를 넓혀 조사를 실시하였으며, 이에 GMS, TRMM, COMS 및 GPM 등의 위성자료를 수집하였다. 향후 한반도에 빠르고 정확한 수재해 정보를 얻기 위하여 시·공간적 데이터분석단위를 만족시키는 수자원 위성의 개발 및 적용이 필요하다. In recent years, the damage scales of water disasters such as typhoons, tsunamis, and heavy snow have been increasing globally as a result of global warming and climate changes. In particular, the economic loss caused by typhoons has been increasing for overpopulated areas that have undergone economic development and urbanization since the 1960s. In this study, we investigated and analyzed satellite images captured before and after typhoons on the Korean peninsula, including Typhoon Chaba (2016), Typhoon Rusa (`02), and Typhoon Maemi (`03). There was a limitation in utilizing existing satellites. Domestic satellites have mostly been developed and operated for the observation of the weather, ocean, and topography, as well as for use in communication. There are therefore insufficient temporal and spatial observations for water management and disaster response. In this work, we expanded the scope to overseas satellites and collected data from GMS, TRMM, COMS, and GPM. In the future, it will be necessary to develop and launch water resources satellites that can provide sufficient temporal and spatial data analysis units to obtain rapid and accurate water hazard information for the Korean peninsula.