• Title/Summary/Keyword: Marine risk factors

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A Basic Study on Assessment Criterion of the Risk Factor for the Marine Traffic Environment (해상교통환경 위험요소 평가기준 설정을 위한 기초 연구)

  • Kim, Chol-Seong;Lee, Hong-Hoon
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.18 no.5
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    • pp.431-438
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    • 2012
  • The representative risk evaluation techniques of the marine traffic environment are the FSA, PAWSA, & IWRAP. For the development of these techniques, the risk factors suitable to the marine traffic environment should be selected & the assessment criterion of the risk factors should be provided. The risk factors were selected as the factors that relate both to the frequency of casualty & to the consequence of casualty because the risk was defined as the frequency of casualty times the consequence of that casualty on the existing techniques. But, the risk factors relate to the consequence of casualty are excluded because the risk is defined as the sum of the risk factors including the frequency and the consequence by factors on this study. The 20 kinds of risk factors to compose the risk are selected and classified into 5 categories according to similar nature through the analysis of preceding study on the classification of the risk factors. Finally, as the foundation of risk assessment model's development for domestic marine traffic environment, the practical assessment criterion of the risk factors are suggested.

An Analysis on the Relative Importance of the Risk Factors for the Marine Traffic Environment using Analytic Hierarchy Process

  • Lee, Hong-Hoon;Kim, Chol-Seong
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.19 no.3
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    • pp.257-263
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    • 2013
  • The classification of risk factors and the identification of risk acceptance criteria are core works to assess risk levels with high enough confidential level in the field of marine traffic environment. In the previous study work, the twenty kinds of risk factors and its assessment criteria for the domestic marine traffic environment were proposed. In this paper, with these previous studying results, the relative importance of the risk factors were analyzed by questionnaire survey of marine traffic experts using the analytic hierarchy process. The analysis results showed that the relative importance of the visibility restriction is the highest among the twenty kinds of risk factors, and the relative importance of the traffic condition is the highest among the five kinds of risk categories. As results from analysis, it is expected that the approaching method on the relative importance is to be one of basic techniques for the development of risk assessment models in the domestic marine traffic environment.

Establishing the Method of Risk Assessment Analysis for Prevention of Marine Accidents Based on Human Factors: Application to Safe Evacuation System

  • Fukuchi, Nobuyoshi;Shinoda, Takeshi
    • Journal of Ship and Ocean Technology
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    • v.4 no.4
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    • pp.19-33
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    • 2000
  • For the prevention of marine accidents based on human factor, the risk assessment analysis procedure is proposed which consists of (1) the structural analysis of marine accident, (2) the estimation of incidence probability based on the Fault Tree analysis, (3) the prediction of ef-fectiveness to reduced the accident risk by suitable countermeasures in the specified functional system, and (4) the risk assessment by means of minimizing of the total cost expectation and the background risk. As a practical example, the risk assessment analysis for preventing is investigated using the proposed method.

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Effects of Combined Marine Treatment Program on Risk Factors of Metabolic Syndrome, and CRP in Elderly Musculoskeletal and Metabolic Patients (복합 해양치유 프로그램이 근골격계 및 대사성 질환자의 대사증후군 위험인자 및 CRP에 미치는 영향)

  • Kim, Hyunjun;Shin, Jaesuk
    • Journal of The Korean Society of Integrative Medicine
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    • v.8 no.1
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    • pp.37-45
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    • 2020
  • Purpose : The purpose of this study is to verify the effectiveness of combined marine healing programs by analyzing the physical composition of elderly musculoskeletal and metabolic patients, the risk factors of metabolic syndrome and the effects of the inflammatory factors, the C -reactive protein (CRP). Methods : Individuals with musculoskeletal and metabolic diseases were identified, and marine healing programs were conducted for f our hours each day for two weeks with 11 elderly participants. A one-way RM ANOVA was conducted to determine the differences due to treatment with composite marine healing systems. The results are as follows. Results : After a two-week ocean healing program, weight decreased the most, while BMI also decreased and muscle mass increased. Waist circumference, a risk factor for metabolic syndrome and CRP, decreased, and CRP demonstrated a decreasing trend. Conclusion : The above results show that the two-week marine healing program has a positive effect on the body composition and inflammatory factors of elderly musculoskeletal and metabolic patients.

Evaluation on Risk at the Port of Mokpo and its Approaches based on Relative Importance of Risk Factors for Marine Traffic Environment (해상교통환경 위험요소의 상대적 중요도를 고려한 목포항 및 진입수로의 위험도 평가)

  • Lee, Hong-Hoon;Kim, Chol-Seong
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.19 no.4
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    • pp.375-381
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    • 2013
  • To assess the risk of marine traffic environments, with high confidential level, the risk factors comprising it should be identified and the risk acceptance criteria should be also provided. Furthermore, the relative importance of each risk factor(the weight of each risk factor on total risk) should be analyzed because the risk is expressed as the sum of risk factors comprising it. The twenty kinds of risk factors and its assessment criteria were suggested for the domestic marine traffic environments by an examination of the existing risk assessment models on the previous studies. The relative importance of each risk factor was also analyzed through the questionnaire using analytic hierarchy process by the marine traffic experts on the same studies. Based on these previous studies, the risk was evaluated at the port of Mokpo and its approaches on this study. The port of Mokpo and its approaches were divided into four sectors for the comparative evaluation, the result of the comparative evaluation on four sectors showed that the risk of the Jeongdeung-hae passage is the highest due to higher risk level of some risk factors(water movements, complexities, tug boats, pilotage, VTS) than the other sectors. The result of this evaluation is in accord with the analysis results of the other studies using various qualitative or quantitative risk analysis methods at the same sea areas.

Analysis of the risk factors for offshore gillnet fisheries in the floating offshore wind farms based on AHP technique (AHP 기법을 이용한 부유식 해상 풍력 단지 내 근해자망어업 위험 요인 분석)

  • Jong-Kap AHN;You-Jin PARK;Yu-Jin JEONG;Young-Su AN
    • Journal of the Korean Society of Fisheries and Ocean Technology
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    • v.59 no.4
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    • pp.354-361
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    • 2023
  • In this study, the AHP (analytic hierarchy process) technique was used to analyze the risk of expected risk factors and fishing possibilities during gillnet fishing within the floating offshore wind farms (floating OWF). For this purpose, the risks that may occur during gillnet fishing within the floating offshore wind farms were defined as collisions, entanglements, and snags. In addition, the risk factors that cause these risks were classified into three upper risk factors and ten sub risk factors, and the three alternatives to gillnet fishing available within the floating OWF were classified and a hierarchy was established. Lastly, a survey was conducted targeting fisheries and marine experts and the response results were analyzed. As a result of the analysis, among the top risk factors, the risk was the greatest when laying fishing gear. The risk of the sub factors for each upper risk was found to be the highest at the berthing (mooring), the final hauling of fishing net, and the laying of the bottom layer net. Based on the alternatives, the average of the integrated risk rankings showed that allowing full navigation/fisheries had the highest risk. As a result of the final ranking analysis of the integrated risk, the overall ranking of allowing navigation/fisheries in areas where bottom layer nets were laid was ranked the first when moving vessels within the floating OWF was analyzed as the lowest integrated risk ranking of the 30th at the ban on navigation/fisheries. Through this, navigation was analyzed to be possible while it was analyzed that the possibility of gillnet fishing within the floating OWF was not high.

A Study on Risk Analysis of Marine Accident for Sea Trial Ships (우리나라 시운전 선박의 해양사고 위험성 조사 분석 연구)

  • PARK, Young-Soo;KIM, Jong-Sung;KIM, Jong-Soo;LEE, Yun-Sok;KIM, Se-Won
    • Journal of Fisheries and Marine Sciences Education
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    • v.27 no.3
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    • pp.696-705
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    • 2015
  • Approximately 4,000 vessels including sea trial ships per day are passing, entering or departing from Korea coastal waterway. Sea trial ships have erratic navigating patterns such as quick turning, crash stop and do not communicate with other vessels in appropriate time, so sea trial ships are often to expose dangerous situation such as collision in heavy traffic area. To identify the sea trial vessel's risk factors, this paper surveyed marine traffic volumes for 7 days in Korea harbour & coastal waterway, and it analyzed marine accident rate and intended to identify the risk degree of passing vessels. After that, this researched how many sea trial ship's traffic and what is the sea trial risk among sea trial items. We also conducted survey questionnaire and identified risk factors of sea trial ship. So this paper aimed to enhance the safety of korea coastal waterway to prevent sea trial ship's marine accident.

Risk factors and fisher positioning task during coastal gillnet fishing boat operation using UWB based positioning system (UWB 기반 측위시스템을 이용한 연안자망어선 어선원의 작업위치와 위험요소)

  • Kyung-Jin RYU;Su-Hyung KIM;Kyunghun LEE;Sunghun KIM;Sung-Jae WON;Yoo-Won LEE
    • Journal of the Korean Society of Fisheries and Ocean Technology
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    • v.60 no.2
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    • pp.152-160
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    • 2024
  • We analyzed risk factors of coastal gillnet fishers during fishing process and considered work safety measures to reduce safety accidents during fishing using a UWB (ultra wideband) based positioning system. The static position accuracy of the UWB based positioning system was 45 cm. When entering a port, there is a risk of falling overboard. When casting a net, there was a risk of falling overboard due to being hit by fishing gear or guards, or getting caught in a buoy line or sinker line. When hauling a net, there is a risk of getting caught between fishing gear and net hauler, and the risk of musculoskeletal disorders due to repetitive work over a long period of time. Most safety accidents during work on fishing boats are blamed on human errors of the fisher and skipper, but safety accidents occur due to a mixture of mechanical and equipment factors, work and environmental factors, and management factors in addition to human errors. Therefore, the 4E were presented as countermeasures against the 4M, which are causes of safety accidents, and the proposed measures were used to identify risk factors for operation process, comply with work safety rules, and ensure the wearing of personal protective equipments. We need to reduce safety accidents during work by making it part of our daily routine. These research results can be used in the future for optimal placement of fishing gear and fishing nets in other coastal industries where safety accidents occur frequently.

A Study on Incidence of Risk Factor for Assessing Maritime Traffic Risk

  • Kim, Inchul
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.23 no.3
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    • pp.217-223
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    • 2017
  • In order to assess risk as a basic step for securing safety, it requires to select risk factors and determine the frequency and the severity of the consequence of each risk factor. This research adopted common risk factors among well-known maritime risk assessment models, and proposed objective criteria to gauge the risk level of each risk factor. The starting points of risk evolution were chosen for criteria according to related studies and seafarers' experience. The rate of risk appearance over the criteria is named as the incidence of risk factor. Therefore, the total risk level is expressed as the combination of incidence of each risk factor and severity. This quantitative method would be applied to measuring and comparing the risk level of target maritime zones, and it would also be useful to survey which risk factor be focused for reducing the total risk of a certain maritime zone.

Development of the Safety Management Risk Assessment Factors and Indicators for Coastal/Offshore Fishing Vessels (연근해어선의 안전관리 위험성평가 인자 및 지표개발)

  • Song, Byung-Hwa;Kim, Cheol-Seong
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.27 no.6
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    • pp.783-788
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    • 2021
  • Although the Korean government (Ministry of Ocean and Fisheries) and related organizations are enforcing many policies to improve the marine safety of vessels with weak safety management, the effectiveness of each policy is deficient due to the lack of a risk assessment method for ship safety management. Most previous studies in Korea of the risk assessment of ships only dealt with fragmentary risks of individual marine accident risks, so a new assessment method for comprehensive marine accident risk is needed. Examples of comprehensive risk assessments for ship safety management are the selection method for inspection targets by the Port State Control and the Norwegian Maritime Authority. In this study, indicators for the comprehensive risk assessment of ship safety management were developed for and applied to coastal/offshore fishing vessels that occupy a high proportion of the registrations and marine accidents in Korea. As a result, the risk of each ship was confirmed quantitatively, and a ranking of the weakness factors for ship safety management was identified.