• Title, Summary, Keyword: 해상교통혼잡도

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A Status of the Marine Traffic Congestion Assessment and Research for Improving a Technical Standards (기술논문 - 해상교통혼잡도 평가의 현황과 기술 기준 개선을 위한 연구)

  • Um, Han-Chan;Jang, Woon-Jae;Cho, Ik-Soon
    • Journal of Korea Ship Safrty Technology Authority
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    • pp.72-83
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    • 2012
  • 중대한 해양사고를 예방하고 잠재적인 해양사고의 원인을 제거하기 위하여 해상교통안전진단 제도가 "해상교통안전법" 개정('09. 5. 27)을 통해 정식 제도화되었다. 법 시행 이후 수행된 연구 중 하나인 '해상안전진단제도의 기술기준 및 고도화 연구'에서는 관련 평가 중 하나인 해상 교통혼잡도 평가에 사용되는 환산교통량 및 표준선이 현재 선박의 대형화 및 고속화 추세를 반영하고 있지 못함을 제시, 개선의 필요성을 말하였다. 이에 먼저 관련한 일본의 이론과 국내 진단대행업자의 평가 이론 현황을 파악 분석한 바, 이론 및 진단대행업자 별로 분석요소들을 다르게 사용하고 있어 표준화의 필요성을 발견하였고 또한 2010년 선박 입출항 통계를 이용한 선박현황을 분석한바 이론에서 사용하는 표준선과는 상당이 차이가 있음이 나타났다. 이후 관련 개선을 위한 기술기준(안)을 제안하여 전문가들의 의견 수렴과 이를 분석한 결과, 비록 소수의 상반된 의견이 있었지만, 표준선 변경에 따른 환산교통량 변화가 해상교통혼잡도에 미치는 영향은 그리 크지 않음을 알 수 있었다. 마지막으로 평가관련 개선을 위한 최종 기술기준(안) 및 앞으로 발전방향을 제시하여 해상교통 혼잡도 평가 발전을 위한 연구기반을 마련하고자 하였다.

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해상교통량 추정기법에 관한 연구

  • Mun, Seong-Bae;Lee, Chun-Gi;Jeon, Seung-Hwan;Jeong, Eun-Seok;Song, Jae-Uk;Jeong, U-Ri
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • pp.249-251
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    • 2013
  • 해상교통안전에 영향을 미치는 여러 가지 해상 개발사업으로 인하여 발생할 수 있는 항해안전의 위험요인을 전문적으로 측정하고 평가하는 것으로 '해상교통안전진단제도'가 있다. 이제도의 주요 평가항목에는 해상교통 현황조사, 해상교통 현황측정, 해상 교통시스템 적정성 평가 및 해상교통 안전대책이 있다. 특히 해상교통 현황측정의 세부 항목 중에는 진단 대상 항만 또는 항로가 추정된 미래의 해상교통량을 수용할 수 있는지를 평가하고 필요 시 관련 해역의 교통 흐름을 조정할 목적으로 수행하는 해상교통혼잡도 평가 있다. 이 연구는 현재 교통혼잡도 평가를 위한 미래 해상교통량 추정기법의 문제점의 현황과 이를 개선하여 신뢰도 있는 교통량 예측이 가능한 통계기법을 개발하고자 하는 것이다.

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A Study on Evaluation of Marine Traffic Congestion based on Survey Research in Major Port (주요항만의 실측조사 기반 해상교통혼잡도 평가 연구)

  • Yoo, Sang-Rok;Jeong, Cho-Young;Kim, Chol-Seong;Park, Sung-Hyun;Jeong, Jae-Yong
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.19 no.5
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    • pp.483-490
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    • 2013
  • In this study, we analyzed AIS measured data for ten days by selecting the four main ports with many ships arriving in the national ports. The peak time congestion of the main ports, calculated by survey research, was about 3.8-5.7 times higher than the hourly average congestion. This is very different from the results of the advanced research, evaluating the marine traffic congestion of the Ulsan main port based on the existing Port-MIS statistical data, which showed a peak time congestion of about 1.7 times higher than the hourly average. This identifies the problem of distorting the traffic characteristics of the current passage. Therefore, in order to evaluate marine traffic congestion, it would be more appropriate to calculate it based on survey research, rather than Port-MIS statistical data.

A Study on the Assessment of the Marine Traffic Congestion and the Improvement of a Technical Standards (해상교통혼잡도 평가현황 분석을 통한 진단기술기준 개선연구)

  • Um, Han-Chan;Jang, Woon-Jae;Cho, Kyung-Min;Cho, Ik-Soon
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.18 no.5
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    • pp.416-422
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    • 2012
  • To prevent serious maritime accident and eliminate the cause of the potential maritime accidents, Maritime Safety Audit Scheme was formally institutionalized through amendment of Maritime Traffic Safety Act(May 27, '09). At the initial step of the enforcement of the law, it has risen the necessity of amending the present institution concerning with the range of applicable business, method of practice, detailed technical standards in the assessment articles, etc. Among them, the assessment of marine traffic congestion has been practiced as a mandatory assessment article, but it is analyzed that the assessment doesn't reflect current variation of ships' size and its speed. By analyzing the status of assessments on marine traffic congestion so far and collecting experts' opinion, this paper suggests draft amendments to improve technical standards on the assessment of marine traffic congestion.

Estimation of Marine Traffic Volume Considering Ship Speed (선박의 속력을 고려한 해상교통량 평가에 관한 연구)

  • Kwon, Yu-Min
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.24 no.4
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    • pp.381-388
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    • 2018
  • This study proposes marine traffic volume estimation method considering ship speed, a factor excluded from the existing method. Ten days of GICOMS marine traffic data from Pyeongtaek and Dangjin ports was applied to this study. As a result, converted traffic volume with the proposed estimation method showed an increase of 4.41 (${\pm}0.99$) times or decrease of 0.59 (${\pm}0.04$) at most, compared with the existing estimation method. Average marine traffic congestion for each time applying the proposed estimation method showed an increase of 1.43 (${\pm}0.10$) compared with the existing estimation method. The maximum marine traffic congestion for each time was 1.62 (${\pm}0.34$) times higher compared with the existing estimation method. Marine traffic peak time, defined as the highest point of marine traffic congestion, was evaluated to be different from that of the existing method because of distribution of vessel speed. In conclusion, considering ship speed is necessary when estimating marine traffic volume to produce a practical estimate of marine traffic capacity.

Improving Assessments of Maritime Traffic Congestion Based On Occupancy Area Density Analysis for Traffic Vessels (통항선박의 점용영역 밀집도 분석을 통한 해상교통혼잡도 평가 개선에 관한 연구)

  • Kim, Soung-Tae;Rhee, Hahn-Kyou;Gong, In-Young
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.23 no.2
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    • pp.153-160
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    • 2017
  • It may be reasonable to consider density per unit area over time rather than analyze traffic volume, which is simply the traffic volume per unit of time, in assessing the maritime traffic congestion of a certain area. This study contributes to the standardization of maritime traffic congestion assessment methods for the maritime traffic safety diagnosis institute while seeking a new method to minimize evaluation error due to converted traffic volume per ship tonnage level. To solve this problem, a method to evaluate maritime traffic congestion by comparing the area occupied by a vessel with the area of its route using vessel identification data from the Automatic Identification System (AIS) has been proposed. In this new model, it is possible to use actual data due to the development of information and communication technology, reducing conversion error while allowing for the evaluation of maritime traffic congestion by route.

Analysis of Correlation between Marine Traffic Congestion and Waterway Risk based on IWRAP Mk2 (해상교통혼잡도와 IWRAP Mk2 기반의 항로 위험도 연관성 분석에 관한 연구)

  • Lee, Euijong;Lee, Yun-sok
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.25 no.5
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    • pp.527-534
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    • 2019
  • Several types of mathematical analysis methods are used for port waterway risk assessment based on marine traffic volume. In Korea, a marine traffic congestion model that standardizes the size of the vessels passing through the port waterway is applied to evaluate the risk of the waterway. For example, when marine traffic congestion is high, risk situations such as collisions are likely to occur. However, a scientific review is required to determine if there is a correlation between high density of maritime traffic and a high risk of waterway incidents. In this study, IWRAP Mk2(IALA official recommendation evaluation model) and a marine traffic congestion model were used to analyze the correlation between port waterway risk and marine traffic congestion in the same area. As a result, the linear function of R2 was calculated as 0.943 and it was determined to be significant. The Pearson correlation coefficient was calculated as 0.971, indicating a strong positive correlation. It was confirmed that the port waterway risk and the marine traffic congestion have a strong correlation due to the influence of the common input variables of each model. It is expected that these results will be used in the development of advanced models for the prediction of port waterway risk assessment.

혼잡해역 해상교통밀도 산출 모델 개발에 관한 연구

  • Kim, Gwang-Il;Jeong, Jung-Sik;Park, Gye-Gak;Choe, Un-Seong
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • pp.71-73
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    • 2013
  • 선박 및 VTS에서 선박교통량이 밀집되는 혼잡해역의 선박교통밀도 평가는 중요하다. 본 연구에서는 선박 충돌 회피를 위한 적절한 반경인 Ship Domain 영역과 혼잡구역 내 선박 체류시간 및 전 방위 통항류를 고려하여 혼잡해역의 항로가동률 및 실시간 해상교통밀도 산출 모델을 제안하고자 한다. 또한 제안된 모델식을 기반으로 시뮬레이터를 프로그래밍하여, 실 해역 해상교통 데이터를 적용하여 제안한 모델식의 유효성을 평가하고자 한다.

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해상교통안전진단 정량적 평가 방법에 대한 개선 방안 고찰

  • Yang, Yeong-Hun;Gong, In-Yeong
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • pp.217-218
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    • 2012
  • 국토해양부 해상교통안전진단 시행지침에는 안전진단 항목으로 해상교통현황조사 및 측정, 혼잡도 분석, 선박조종시뮬레이션에 의한 통항 및 접이안 안전성 평가, 계류안전성 평가 등을 명시하고 있으며, 각 진단 항목별로 평가 방법 및 기준을 제시하고 있다. 해상교통안전진단 수행과정에서 이러한 평가 방법 및 기준에 대한 개선 방안 등을 고찰하였다.

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A Study on Seasonal Variation in Marine Traffic Congestion on Major Port and Coastal Routes (주요 항만 및 연안항로의 계절별 해상교통혼잡도 변화에 관한 연구)

  • Kang, Won-Sik;Song, Tae-Han;Kim, Young-Du;Park, Young-Soo
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.23 no.1
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    • pp.1-8
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    • 2017
  • In this study, a congestion assessment was conducted to verify seasonal differences in congestion for major coastal traffic routes and fairways in major ports with GICOMS Data for 7 days without issuing a special weather report. As a result, a maximum of 11 % and 82 % are shown, with an average of 3.5 % and a 30 % seasonal difference for hourly average congestion and peak time congestion. Therefore, seasonal differences for the target area should be taken into consideration to perform further congestion assessments, particularly for maritime traffic safety assessments, and keen attention should be given to setting up safety measures against congestion.