• 한국농촌건축학회논문집
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• 제20권1호
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• pp.85-92
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• 2018

Although Jeju is the best cruise Secondary port in Northeast Asia, currently there are no dedicated cruise terminals. The port international passenger terminal opened in 2015 has a ferry terminal for offshore passengers and a cruise passenger function. Jeju Island is therefore constructing a cruise only terminal with the aim of opening in 2018 to meet the growing passenger demand at the Seoguipo civilian and public ports along with construction of a naval base at Gangjeong Port in Seogwipo City. It also plans to build cruise docks and cruise terminals in the Jeju New Port according to the Jeju port construction basic plan. However, during the construction and planning process of cruise terminals in Jeju, the adequacy of the terminal size is being debated and the immigration facilities are being operated. Therefore, the study analyzed the size of terminals and operation of immigration facilities appropriate for cruise passenger demand by investigating the status of cruise related facilities and operation in Jeju area. Based on this, the Commission hopes to explore the rational direction of the cruise terminal plan to revive the cruise industry in Jeju and provide high quality service to cruise passengers.

• 한국항만경제학회지
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• 제32권3호
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• pp.109-122
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• 2016

국내 컨테이너 물동량 증가로 이를 처리하는 하역산업 증가하였다. 하지만 1999년 이후 하역요율의 신고제 전환과 시설 공급 과잉으로 인해 하역사간의 과도한 요율경쟁이 발생하여 2015년 기준 컨테이너 하역 요율이 2000년에 비해 절반 이하로 하락하였다. 이에 본 연구에서는 하역 요율의 하락이 항만 물동량 수요에 영향을 미쳐 항만 하역산업의 시장을 확대 시켰는지? 아니면 과도한 요율 경쟁으로 인해 소비자잉여가 오히려 축소되었는지를 경제학적으로 분석해 보았다. 이를 위해, 본 연구에서는 기존에 항만부문의 경제적 가치를 추정한 연구에서 사용한 직접추정방식이 아닌 수요함수를 이용한 추정방식을 제시하였으며 소비자잉여 추정을 위해 타분야에서 주로 사용된 알렉산더방식 외에 힉스의 수요함수를 이용한 하우스만방식을 이용하여 추정의 신뢰성을 높였다. 그 결과 컨테이너 수출입 수요에 비해 하역 요율이 과다하게 하락하여 소비자잉여를 포함한 하역산업의 경제적 가치는 오히려 하락하는 것으로 나타났다. 한편, 향후 환적 컨테이너 물동량을 포함한 경제적 가치추정에 관한 연구가 진행되어야하며 나아가 항만산업 전체로 확대하여 현재 항만부문 예비타당성 조사 표준지침에서 이용되고 있는 경제적 편익 방식을 보완할 수 있어야 하겠다.

• 환경영향평가
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• 제16권2호
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• pp.177-186
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• 2007

The composition of water-friendly space in the port and harbour developments provides the accessibility to the sea and thus resting & recreational function of the local citizen, which should be treated importantly for the eco-friendly coastal development. However, the high demand on water-friendly space can induce another environmental problem because most port and harbour developments require marine reclamation and the water-friendly space are made up on the reclamation area. The present study analysed the problems and suggested matters to be considered in composing the water-friendly space of port and harbour developments. The study also established the management direction by site characteristics of port and harbour. In addition, we attempt to find a plan to avoid the water-friendly space composition with environmental damage and to secure the environmental and public soundness in site selection, land use and facilities plan based on case studies.

• 한국항해항만학회지
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• 제46권5호
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• pp.449-457
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• 2022

The Port of Busan is currently ranked as the seventh largest container port worldwide in terms of cargo throughput. However, port competition in the Far-East region is fierce. The growth rate of container throughput handled by the port of Busan has recently slowed down. In this study, we analyzed how economic conditions and multiple external shocks could influence cargo throughput and identified potential implications for port business. The aim of this study was to build a model to accurately forecast port throughput using the ARIMA model, which could incorporate external socio-economic shocks, and the VEC model considering causal variables having long-term effects on transshipment cargo. Findings of this study suggest that there are three main areas affecting container throughput in the port of Busan, namely the Russia-Ukraine war, the increased competition for transshipment cargo of Chinese ports, and the weaker growth rate of the Korean economy. Based on the forecast, in order for the Port of the Port of Busan to continue to grow as a logistics hub in Northeast-Asia, policy intervention is necessary to diversify the demand for transshipment cargo and maximize benefits of planned infrastructural investments.

• 한국항해항만학회지
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• 제35권2호
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• pp.159-165
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• 2011

The aim of paper is to calculate the optimized size of Mobile Harbor(MH) which would be operated in South Korea coast area. MH is the combined entity which has the function of both ship and container port. In estimating the optimized size, the total cost concept is applied to the different size of MH. Trade-off factors for calculating total cost are MH cost and the over-capacity lost cost. The factors for MH cost estimation are the cargo demand, distance from origin to destination, voyage route and MH's fixed and variable cost in both sailing and port. The other cost is the over-capacity lost cost which is occurred from dead space in case of oversize compared with a voyage demand. The alternatives for the least cost are 250TEU, 500TEU, 750TEU and 1,000TEU sized vessel. The result of research is that 250TEU sized vessel is optimized in a South Korea costal service. If the coastal area be separated in terms of voyage distance or the specific area in considering trade, the optimized size is changed depending upon distance.

• Journal of Korea Trade
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• 제27권3호
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• pp.65-86
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• 2023

Purpose - As globalization progresses, complexity also increases, and various factors that threaten port functions are emerging. Accordingly, the demand for port security to prevent the crisis and resilience that quickly recovers its original function after the crisis is also increasing in port operations. However, few studies have examined how to ensure the port security and how the resilience affects operation performance of port and sustainability performance as well. So the study aims to find out how port security affects port resilience and port operational performance, and consequently, this two factors affect socioeconomic and environmental sustainability performance respectively and synthetically. Design/methodology - Confirmatory Factor Analysis (CFA) was first performed to determine the validity of the factors of model and hypothesis test was performed using Structural Equation Model (SEM) to analyze the Port Performance Model, which show the perception logic among port security level, port resilience, operation performance, and sustainability performance. In order to empirically analyze this model, total 264 respondents from port security operators, shipping companies in South Korea were surveyed. Findings - As result of SEM, First, port security level positively affected the resilience (H1) and cargo operational performance (H2) but not in both of the sustainability performances (H3, H4). Second, resilience positively affected only cargo operational performance (H5) and socio-economic sustainability performance (H7). Last, cargo operation performance positively affects the both of sustainability performances (H8, H9). Originality/value - It was confirmed that port security could improve cargo operational performance through ensuring port resilience and eventually increase the socio-economic sustainability. Therefore the study implies that careful integration and management of port security, port resilience, and sustainability are required, along with compromise on sustainable development goals in the social, economic, and environmental area among all stakeholders.

• 한국통신학회논문지
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• 제29권8B호
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• pp.730-738
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• 2004

본 논문에서는 요구할당 다중접속 방식을 사용하는 패킷 위성통신에서 스팟빔 스위칭 능력과 신호처리 능력을 가진 위성체의 관찰중인 특정 하향링크 출력포트에 초점을 두어 시스템의 처리량(Throughput)과 블로킹 확률(Blocking Probability) 그리고 전송지연(Delay)을 요구트래픽과 채널의 서비스종료 확률에 따란 분석하였다. 수학적 검증을 통해 각 채널 서비스 종료 확률에 따라 전송지연 대 처리량 곡선을 요구트래픽 파라미터 함수로 구하였으며, 처리량에 따른 전송지연의 상대적인 차이를 비교하였다.

• 한국항만경제학회지
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• 제25권3호
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• pp.251-268
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• 2009

본 논문은 서비스 품질이 서로 다른 두 항만의 가격경쟁을 게임모형을 이용해 이론적으로 분석하고 있다. 화주들의 위치를 두 가지로 가정하였다. 하나는 두 항만의 한곳에 화주들이 밀집된 경우이고, 다른 하나는 두 항만 사이에 화주들이 고루 배치된 경우이다. 분석결과를 요약하면, 다음과 같다. 화주가 두 항만 사이의 특정 위치에 밀집되어 있을 경우, 화주들의 고품질 서비스에 대한 선호도가 커질수록 두 항만의 가격이 높아지나, 고품질 항만의 가격이 저품질 항만의 가격보다 2배 이상 빠르게 증가한다. 화주들의 위치가 고품질 항만쪽에 가까울수록 고품질 항만의 가격은 올라가고, 저품질 항만의 가격은 떨어진다. 또한, 운송비가 올라가면 저품질 항만의 가격은 낮아지나, 고품질 항만의 가격은 올라갈 가능성이 높다. 고품질 항만의 서비스가 상대적으로 더 높아지면, 고품질 항만의 가격은 올라가고, 저품질 항만의 가격 변화는 불확실하다. 다음으로 화주가 두 항만사이에 균질하게 분포할 경우, 화주들의 고품질 항만 서비스에 대한 선호도가 커질수록 두 항만의 가격이 높아지고, 고품질 항만의 가격이 저품질 항만의 가격보다 2배 이상 빠르게 증가하며, 운송비가 커질수록 두 항만의 가격이 함께 작아지나, 저품질 항만의 가격이 고품질 항만의 가격보다 2배 정도 빠르게 감소해 간다. 또한, 고품질 항만 서비스가 상대적으로 높아지면, 고품질 항만의 가격은 올라가지만, 저품질 항만의 가격은 운송비 수준이 높으면 내려간다.

• 한국항만경제학회지
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• 제40권1호
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• pp.119-131
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• 2024

본 연구는 2018년부터 2022년까지 총 5개년의 전국 연안여객 항로 101개를 대상으로 연안여객 수요와 운임 간의 상관관계를 분석하고자 하였다. 이를 위해 패널 연립방정식 모형을 활용한 2단계 최소제곱추정법을 통해 개별항로의 특성 요인과 항로가 속한 지역적 특성 요인들이 연안여객 수송 실적과 운임에 미치는 영향을 분석하였다. 분석 결과, 내생변수인 운임과 외생변수 중 항로 특성 요인인 항로 거리, 도구 변수인 운항 횟수가 연안여객 수요에 영향을 미치는 것으로 나타났다. 그리고 단기 가격 결정 함수에서는 내생변수인 연안여객 수송 실적을 포함하여 외생변수 중 항로 특성 요인인 정원, 속력, 항로 거리가 연안여객 운임에 영향을 주는 것으로 나타났다. 본 연구는 연안여객과 관련하여 국내 연안여객 수요와 가격 결정에 유용한 시사점을 제공할 것으로 기대된다.

• 한국항해학회지
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• 제8권1호
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• pp.1-16
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• 1984

The economical property of a shipping enterprise, as well as other transportation industries, is determined by the difference between the freight earned and expense paid. This study can be regarded as a division of optimizing ship allocation to routes under the integrated port transport system. Fleet planning and scheduling require complicated allocations of cargoes to ships and ships to routes in order to optimize the given criterion function for a given forecast period. This paper deals with the optimum ship allocation problem minimizing the operating cost of ships in a shipping company. Optimum fleet operating for a shipping enterprise is very important, since the marine transportation is a form of large quantity transport requiring long-term period, and there is a strong possibility to bring about large amount of loss in operation resulting from a faulty ship allocation. Where there are more than one loading and discharging ports, and a variety of ship's ability in speed, capacity, operating cost etc., and when the amount of commodities to be transported between the ports has been determined, then the ship's schedule minimizing the operating cost while satisfying the transport demand within the predetermined period will be made up. First of all a formula of ship allocation problems will be established and then will be constructed to solve an example by the Integer Programming application after consideration of the ship's ability, supply and demand of commodity, amount of commodity to be transported, operating costs of each ship etc. This study will give good information on deciding intention for a ship oprator or owner to meet the computerization current with shiping management.