• Title/Summary/Keyword: Marine disasters

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선박사고 기인 해양재난 피해축소를 위한 해양과학기술 개발수요 도출

  • Jang, Deok-Hui;Gang, Gil-Mo
    • Proceedings of the Korea Technology Innovation Society Conference
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    • 2015.05a
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    • pp.508-525
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    • 2015
  • The purpose of this study is to derive the demands to develop marine science technology to reduce damage of disasters caused by boating accidents. This study analyzed the press release to identify the factors of damages that can result from boating accidents and derive the demands for technology development to approach from the perspective of marine science technology to avoid the elements of damage. For this purpose, this study analyzed the contents of about 77,000 articles posted for a month after the tragedy of the Sewol (April 16 - May 15) to derive the keywords and used SNA for the network analysis of each keyword. The findings of the analysis showed that there were five networks and each network consisted of different aspects of technology development to prepare for the marine disasters. Based on these findings, this study derived the demands for technology development from the perspective of marine science technology required to prepare for the possible marine disasters caused by vessels in the future.

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Marine Disasters Prediction System Model Using Marine Environment Monitoring (해양환경 모니터링을 이용한 해양재해 예측 시스템 모델)

  • Park, Sun;Lee, Seong Ro
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.38C no.3
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    • pp.263-270
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    • 2013
  • Recently, the prediction and analysis technology of marine environment are actively being studied since the ocean resources in the world is taken notice. The prediction of marine disaster by automatic collecting marine environment data and analyzing the collected data can contribute to minimized the damages with respect to marine pollution of oil spill and fisheries damage by red tide blooms and marine environment upsets. However the studies of the marine environment monitoring and analysis system are limited in South Korea. In this paper, we study the marine disasters prediction system model to analyze collection marine information of out sea and near sea. This paper proposes the models for the marine disasters prediction system as communication system model, a marine environment data monitoring system model, prediction and analyzing system model, and situations propagation system model. The red tide prediction model and summarizing and analyzing model is proposed for prediction and analyzing system model.

A study on the Manoeuvring Motion Under the Condition of External Forces in Restricted Waterways

  • Lee Chun Ki;Kang Il Kwon;Yoon Jeom Dong
    • Proceedings of KOSOMES biannual meeting
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    • 2003.11a
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    • pp.123-126
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    • 2003
  • In the present paper, the analysis is on the safe navigation between ships moving each other in restricted waterways under the external force, such as wind or current The numerical simulation of manoeuvring motion was carried out to propose an appropriate safe speed and distance between ships, which is required to avoid marine disasters from the viewpoint of marine safety. From the inspection q this investigation, it indicates the following result In case of proximal navigation between ships under the wind and current, the low-speed vessel is potentially hazardous because the rudder force if low-speed vessel needed for steady-state course-keeping is not sufficient, compared to the high-speed vessel The manoeuvring characteristic based on this investigation will be very useful for keeping the safety of navigation from the practical point of ships design and traffic control in restricted waterways.

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A Study on the Improvement of Legislation on Management of Compound Coastal Disasters (해안가 복합재해 관리를 위한 법률 현황 및 개선방향)

  • Jang, Ahreum;Kim, Sunhwa;Lee, Moonsuk
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.26 no.7
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    • pp.845-857
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    • 2020
  • Compound coastal disasters are a type of natural disaster featuring both internal and external flooding due to rises in sea-level, torrential rains, typhoons, and tsunamis. The, incidence and scale of damage from such disasters is increasing. This aim of this study was to review the current laws and systems managing the phenomenon of the coastal complex disaster, and to derive recommendations for improvements to manage and prevent them. In this study, the Framework Act on the Management of Disasters and Safety, the Countermeasures against Natural Disasters Act, the National Land Planning and Utilization Act, the Coast Management Act, the River Act, and the Sewerage Act were reviewed, with focus on the district-zoning system designated by ministries for the management of natural disasters along the coast. Through a comparison of the purpose and nature of the laws, spatial scope, and management resources, it was judged that it would be desirable to comprehensively manage compound coastal disasters based on the Countermeasures Against Natural Disasters Act. In order to overcome the limitations of the current system and to derive specific measures to improve laws and systems, a questionnaire survey on detailed factors was conducted targeting experts in natural disaster management. The results indicated that it is necessary to improve the current system or introduce a new system for the management of coastal complex disasters, with integrated management of land and sea areas through the installation and operation of integrated decision-making governance by related ministries such as MOIS, MOLIT, MOF, and ME.

A Study On The Communication Network System Against Marine Disasters (해상재해방지를 위한 안전통신망 네트워크 구축에 관한 연구)

  • 신현식
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2003.10a
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    • pp.813-817
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    • 2003
  • There have a lot of marine accident due to the increasing transportation by sea in accordance with economy growth. Accordingly, We are fully aware of the importance of the development of safety control system so that may prevent the sacrifice of life and disasters on the sea. The objective of this research in to investigate the more effective system by establishing the prevention of safety accident and marine information system as a national project.

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A Study On The Communication Network System Against Marine Disasters (해상재해방지를 위한 안전통신망 네트워크 구축에 관한 연구)

  • 신현식
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2004.05b
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    • pp.695-700
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    • 2004
  • There have a lot of marine arrident doe to the increasing transportation by sea in accordance with economy growth. Accordingly, We are fully aware of the importance of the development of safety control system so that may prevent the sacrifice of life and disasters on the sea. The objective of this research in to investigate the more effective system by establishing the prevention of safety accident and marine information system as a national project.

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Problems and Ways of Improving on Personal Organization of Maritime Safety Tribunal (해양안전심판원의 인적구성의 문제점 및 개선방안)

  • Lee, Jong-Gun
    • Journal of Fisheries and Marine Sciences Education
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    • v.25 no.3
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    • pp.564-579
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    • 2013
  • The purpose of Maritime Safety Tribunal is that experts about ship operation investigate and reveal causes of marine disasters and suggest plans to prevent recurrence in Korean Maritime Safety Tribunal which is a kind of administrative court. Despite the fact that 72% of marine disasters is fishing vessel accidents and 75% of collision accidents between vessels which most occur is related to fishing boats, it is the very serious problem that there is no any person with licenses of marine technicians for fishing vessels in judges and investigators of Korean Maritime Safety Tribunal. The operational characteristics of fishing vessels, their sizes, and shift patterns of duties in wheelhouses are completely and incommensurably different from those of merchant vessels. By the way, if the investigators and judges who just consist of merchant vessel experts investigate and judge marine accidents about fishing vessels, there could be errors in establishment of policies to investigate and reveal their causes and prevent recurrence of accidents. Especially, in case of collision accidents between fishing vessels and merchant vessels, it is thought that the marine accident interested provides causes which can be doubtful about fairness of judges. Therefore, it is thought that the ratio of judges and investigators is most desirable to compose it to be similar to the occurrence frequency of marine accidents. For this, the following solution plans are suggested. First, qualification for appointment requires first class marine technicians. But there is the only one vessel which needs the first class in fishing vessels. Therefore, it is thought that the provisory clause should be added so that the second class marine technicians can be used instead of the first class ones. Second, the marine accidents of fishing vessels reach 72% but the fact that there is no any judge and investigator with licenses of marine technicians for fishing vessels is thought to go against the purpose of establishment of Korean Maritime Safety Tribunal. Therefore, it is thought that there is, at least, one more judges and investigators in the central and local Korean Maritime Safety Tribunals. The same method should be applied to judge assistants and investigation assistants.

Study of Wave Absorbing Effect of Submerged Breakwater (잠제의 소파효과에 관한 실험적 연구)

  • Lee, Hyun-Jin;Shin, Moon-Seup
    • Journal of Ocean Engineering and Technology
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    • v.25 no.6
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    • pp.29-34
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    • 2011
  • Various types of coastal structures have been constructed to prevent coastal disasters. Among these coastal structures, submerged breakwaters have been used more widely than all of the other coastal structures because of their excellent advantages in scenery effects, construction efficiency, and environmental benefits. This study investigated the potential of the horizontal plate submerged breakwater model. Usually, it is necessary for a submerged breakwater to minimize and compensate for the negative impacts on the marine environment and ecosystem caused by the marine construction. Thus, the prevention of coastal disasters was verified for this submerged breakwater model, regardless of its function as a fish reef. The purpose of this study was to investigate the hydraulic characteristics with changes in the crest width and porosity of a horizontal plate submerged breakwater and compare the results of this study with the results of other studies on permeable and impermeable submerged breakwaters.

Relationship between El Nino and La Nina Phenomena and the Number of Typhoons Which have Affected on Korea (엘니뇨 . 라니냐현상과 우리나라에 영향을 미친 태풍 수와의 관계에 대하여)

  • 설동일;김규만;이광재;이동춘
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.7 no.1
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    • pp.1-6
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    • 2001
  • Recently, EI nino and La nina phenomena have known as a cause of the unusual weather and meterological disasters in the world. The meteorological disasters in Korea have mainly caused by typhoons. In this paper, we studied the relationship between EI Nino and La Nina phenomena and the number of typhoons which have affected on Korea using the long-term data for the period from 1940 to 1999 (60 years) in case of normal years, EI Nino years and La Nina years, the numbers of typhoons which have affected on Korea are 3.1/year, 2.7/year and 3.9/year respectively. The number of typhoons which have affected on Korea in La Nina years is more than those in EI Nino years and normal years The occurrence rate of typhoon in La Nina years is also higher than those in EI Nino years and normal years.

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