This study developed a new methodology for analyzing the risk level of marine spill accidents from two perspectives,namely,marine traffic density and sensitive resources.Through a case study conducted in Busan,South K...This study developed a new methodology for analyzing the risk level of marine spill accidents from two perspectives,namely,marine traffic density and sensitive resources.Through a case study conducted in Busan,South Korea,detailed procedures of the methodology were proposed and its scalability was confirmed.To analyze the risk from a more detailed and microscopic viewpoint,vessel routes as hazard sources were delineated on the basis of automated identification system(AIS)big data.The outliers and errors of AIS big data were removed using the density-based spatial clustering of applications with noise algorithm,and a marine traffic density map was evaluated by combining all of the gridded routes.Vulnerability of marine environment was identified on the basis of the sensitive resource map constructed by the Korea Coast Guard in a similar manner to the National Oceanic and Atmospheric Administration environmental sensitivity index approach.In this study,aquaculture sites,water intake facilities of power plants,and beach/resort areas were selected as representative indicators for each category.The vulnerability values of neighboring cells decreased according to the Euclidean distance from the resource cells.Two resulting maps were aggregated to construct a final sensitive resource and traffic density(SRTD)risk analysis map of the Busan–Ulsan sea areas.We confirmed the effectiveness of SRTD risk analysis by comparing it with the actual marine spill accident records.Results show that all of the marine spill accidents in 2018 occurred within 2 km of high-risk cells(level 6 and above).Thus,if accident management and monitoring capabilities are concentrated on high-risk cells,which account for only 6.45%of the total study area,then it is expected that it will be possible to cope with most marine spill accidents effectively.展开更多
Aim&Scopes.Intelligent Medicine is an open access,peer-reviewed journal sponsored and owned by the Chinese Medical Association and designated to publish high-quality original research and review articles from the ...Aim&Scopes.Intelligent Medicine is an open access,peer-reviewed journal sponsored and owned by the Chinese Medical Association and designated to publish high-quality original research and review articles from the interdisciplinary areas concerning the theory,algorithms,and practice of internet technology,artificial intelligence(AI),big data science,and medical information in the clinical medicine,biomedicine,and public health.Intelligent Medicine appreciates the innovation,science,significance,and practicality.The topics focus on but not limited to the internet technology,Al,or data science enabled intelligent medical system,including clinical decision making(diagnosis,therapy,prediction,and prognosis),telemedicine,guideline management,drug development,and health management.Articles are published quarterly.The journal is available both in print and online.展开更多
基金This research was supported by a grant[KCG-01-2017-01]through the Disaster and Safety Management Institute funded by the Ministry of Public Safety and Securitythe National Research Foundation of Korea(NRF)grant[No.2018R1D1A1B07050208]funded by the Ministry of Science and ICT of Korea Government.
文摘This study developed a new methodology for analyzing the risk level of marine spill accidents from two perspectives,namely,marine traffic density and sensitive resources.Through a case study conducted in Busan,South Korea,detailed procedures of the methodology were proposed and its scalability was confirmed.To analyze the risk from a more detailed and microscopic viewpoint,vessel routes as hazard sources were delineated on the basis of automated identification system(AIS)big data.The outliers and errors of AIS big data were removed using the density-based spatial clustering of applications with noise algorithm,and a marine traffic density map was evaluated by combining all of the gridded routes.Vulnerability of marine environment was identified on the basis of the sensitive resource map constructed by the Korea Coast Guard in a similar manner to the National Oceanic and Atmospheric Administration environmental sensitivity index approach.In this study,aquaculture sites,water intake facilities of power plants,and beach/resort areas were selected as representative indicators for each category.The vulnerability values of neighboring cells decreased according to the Euclidean distance from the resource cells.Two resulting maps were aggregated to construct a final sensitive resource and traffic density(SRTD)risk analysis map of the Busan–Ulsan sea areas.We confirmed the effectiveness of SRTD risk analysis by comparing it with the actual marine spill accident records.Results show that all of the marine spill accidents in 2018 occurred within 2 km of high-risk cells(level 6 and above).Thus,if accident management and monitoring capabilities are concentrated on high-risk cells,which account for only 6.45%of the total study area,then it is expected that it will be possible to cope with most marine spill accidents effectively.
文摘Aim&Scopes.Intelligent Medicine is an open access,peer-reviewed journal sponsored and owned by the Chinese Medical Association and designated to publish high-quality original research and review articles from the interdisciplinary areas concerning the theory,algorithms,and practice of internet technology,artificial intelligence(AI),big data science,and medical information in the clinical medicine,biomedicine,and public health.Intelligent Medicine appreciates the innovation,science,significance,and practicality.The topics focus on but not limited to the internet technology,Al,or data science enabled intelligent medical system,including clinical decision making(diagnosis,therapy,prediction,and prognosis),telemedicine,guideline management,drug development,and health management.Articles are published quarterly.The journal is available both in print and online.
