• Title/Summary/Keyword: Maritime transport

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Improvement and Application of Total Maximum Daily Load Management System of Korea: 2. Determination of Margin of Safety and Allocation of Pollutant Loads (우리나라 오염총량관리제도의 적용 및 개선: 2. 안전율 산정 및 삭감부하량 할당)

  • Kim, Kyung-Tae;Chung, Eun-Sung;Kim, Sang-Ug;Lee, Kil Seong
    • Journal of Korean Society on Water Environment
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    • v.26 no.1
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    • pp.168-176
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    • 2010
  • This study proposes the improvement of the present Total Maximum Daily Load (TMDL) management system of MOE (Ministry of Environment). The margin of safety (MOS) is calculated by a method using standard error and a method using variability and uncertainty. The allocation of pollutant loads are calculated using three methods, equal load reduction method, equal percent removal method and method using equity standards. This study applied the improved TMDL management system to the Anyangcheon watershed. Since MOS varies from 12% to 44% due to the high variability of measured and simulated data, it must not be ignored in the TMDL. The method using equity standards is the most proper in this application since the others produced unrealistic allocations. Area, runoff, water use quantity, population and budget are considered for equity standards. This study shows that this allocation method can be also applicable for the administrative units as well as the sub-watersheds. Finally, Hydrologic Simulation Program-FORTRAN (HSPF) with the allocated pollutant load was used to confirm whether it satisfy the water quality standard or not. This study will be helpful to improve the MOS and allocation system TMDL in the future.

A Study on a Business Model Development for National R&D (국가 R&D에서의 비즈니스 모델 개발에 대한 연구)

  • Bae, Sang-Keun;Park, Ji-Man;Kim, Byung-Guk
    • Journal of Korea Spatial Information System Society
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    • v.11 no.4
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    • pp.9-18
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    • 2009
  • R&D businesses lead by a government of each countries are recognized as important businesses that may affect the destinies of the nation. However, the process of developing a new business has not been so favorable as the process was primarily managed by engineers who concentrate on research development. The problem was solved by applying a business model regarding outcomes of a developed research. Yet it is difficult to apply the business model methods that are commonly used for enterprises to government's research businesses due to their unique research development characteristics. Therefore, it is developed a business model methodology for national R&D project in this study. In addition, the methodology applies to a sub-project of Korean Land Spatialization Program(KLSP) organized by Ministry of Land, Transport and Maritime Affairs to verify the possibility of practical application.

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A Case Study to Estimate the Unit Standard Infrastructure Cost in Levying the Korean Development Impact Fees (기반시설부담구역제에서의 표준단위설치비용 산정 사례연구)

  • Choei, Nae-Young
    • Journal of Korean Society for Geospatial Information Science
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    • v.19 no.3
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    • pp.127-136
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    • 2011
  • The typical unit infrastructure cost estimation techniques adopted so far in implementing the Korean Impact Fee Zoning have rather been centered around the unilateral simple cost models. The techniques, as such, have frequently been criticized for their lack of flexibility in properly reflecting the regional differences as well as the peculiarities of individual development projects. The Ministry of Land, Transport, and Maritime Affairs (MLTM), in this regard, has recently introduced an enhanced alternative technique. Using the NGIS data, the study probes the viability of the MLTM's new technique by testing the entire estimation process based on the case area in Ansung City. Reflecting the City's characteristics, the study assumes a composite land use plan that accommodates the industrial area in addition to typical residential areas. As an extensive empirical case study, the research has found from the new technique considerable technical merits to overcome the existing shortcomings and summarized its significant policy implications.

Piracy: Its Nature, Development and Countermeasures (해적행위의 본질, 발생현황 및 조직.기술적 대응 방안에 관한 연구)

  • 최진태
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.4 no.2
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    • pp.69-83
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    • 1998
  • Sea transportation has long been a vital component of the transport systems of the world. The great majority of imports and exports to and enlarge their national merchant marines. This effort is meant partly to arrest earlier trends of having their trade carried by ships from outside the region and partly to promote regional integration and improve the national balance of payments. However, sea transportation has been exposed to various types of threats on the high seas, in coastal waters and in port areas. Piracy is any robbery or other violent action, for private ends and without authorization by public authority, committed on the seas. Because piracy has been regarded as an offense against the law of nations, the public vessels of any state have been permitted to seize a pirate ship, to bring it into port, to try the crew(regardless of their nationality or domicile), and, if found guilty, to punish them and to confiscate the ship. Piracy has occurred in all stages of maritime history. The increased size of merchant vessels, the improved naval patrolling of most ocean highways, the regular administration of most islands and land areas of the world, and the general recognition by governments of piracy as an international offense resulted in a great decline in piracy in the 19th and 20th centuries. Piracy has, however, occurred in the 20th century, and the practice of hijacking ships has developed into a new form of piracy. The number of incidents of sea piracy against ships reported was 229 in 1997. Since 1991, 1,051 such acts have been reported. The purpose of this research is to examine the origin and development of the piracy to understand the current situation of such violence on the seas. In addition, what should be done by international community will be presented to prevent the piracy in the future.

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A Case Study on the Successful Old-Town u-City Construction by an Effective Financing (효과적인 재원조달을 통한 구도시 u-City 구축사례연구)

  • Park, Kwang-Ho;Kim, Myung-Dong;Kim, Yun-Hyung
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.35 no.3
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    • pp.192-203
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    • 2012
  • As a leading nation of ubiquitous technology, South Korea has been promoting u-City pilot projects throughout the country. According to 'Fundamental Construction Law of u-City,' u-City projects are classified into old-town and new-town types. However, most projects have focused only on the new-town type. Pushing forward large-scale land development projects, Korea Land and Housing Corporation (LH Co.) under Ministry of Land Transport and Maritime Affairs (MLTM) has gained a development profit out of the u-City infrastructure and then donated the infrastructure to a local government without making any plan for operations. In the process of u-City pilot projects, old-towns have been relatively ignored and various of unexpected problems have emerged. Building the u-City of an old-town is not easy due to many constraints such as huge initial investment, long validity and verification procedures, lack of useful services for citizens, lack of professional outsourcing methods for business promotion, high operating costs of the integrated control center, inadequate law related, insufficient institutional requirements and so on. This paper introduces a case study on u-City development for an old-town, Ansan City, as a private investment project. The case will help boost u-City projects for old-towns by solving their problems and providing an effective operational mechanism. As the first BTL (Build-Transfer-Lease) project for constructing u-City, 'Broadband Information Network Development Project' of Ansan City will provide a reference model of expanding u-City projects for other cities.

Effect of Estimation for Time of Concentration on the Design Flood (홍수도달시간 산정방법이 설계홍수량에 미치는 영향)

  • Kwon, Ki Dae;Lee, Jun Ho;Kang, Mi Jeong;Jee, Hong Kee
    • Journal of Wetlands Research
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    • v.16 no.1
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    • pp.125-137
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    • 2014
  • In this study, that the Kraven(II) empirical formula, the existing method to estimate the time of concentration in river basin, does not reflect the characteristics of relevant basin as it presents 3 stream velocities by section of slope was verified, and the time of concentration for the actual average stream velocity considering the characteristics of the basin was compared and analyzed by applying the continuous Kraven empirical formula, which was suggested recently by 'Design Flood Estimation Guide Line, 2012, Ministry of Land, Transport and Maritime Affairs' complementing the stream velocities for the easy slope and the steep slope, to the Donghwa-Cheon, the medium size river and the modality of changes in hydrograph was examined, For the Maeho-Cheon, Wuksu-Cheon and Geumpo-Cheon, the flood runoff simulation results according to the time of concentration application empirical formula considering the characteristics of relevant basin were compared and analyzed and following conclusions were able to obtain.

A proposal for regional customization and optimal operation management of groundwater resources through analysis of water resources research trends in Korea (국내 수자원 분야 연구 동향 분석을 통한 지역 맞춤형 지하수자원 최적 운영 관리 방안 제시)

  • Lee, Jae-Beom;Kim, Jin-Soo;Yang, Jeong-Seok
    • Journal of Korea Water Resources Association
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    • v.53 no.spc1
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    • pp.743-753
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    • 2020
  • In this study, research trends in the water resources in Korea were analyzed to present regional customization and optimal operation management of groundwater resources. Detailed classification fields were determined in the water and groundwater resources. Through the analysis of examples and trends of research related to water resources and underground water resources, three improvements were presented: securing sites for long-term observable research area, evaluating water resources based on spatial units, and not reflecting the characteristics of watersheds in acts and ordinances. The research results of this study are expected to be the basis for policy judgment in determining the groundwater management policy after the group of groundwater management policy makers at the research site can identify the requirements.

Decision of Optimal Platform Location Considering Work Efficiency -Optimization by Excavator Specification- (작업의 효율성을 고려한 최적 플랫폼 위치 선정 방안 -굴삭기 제원에 따른 최적화-)

  • Lee, Seung-Soo;Park, Jin-Woong;Seo, Jong-Won;Kim, Sung-Keun
    • Proceedings of the Korean Institute Of Construction Engineering and Management
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    • 2008.11a
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    • pp.790-793
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    • 2008
  • Recently, Intelligent Excavating System(IES) for earthwork automation is on progress since the end of 2006 as a part of construction technology innovation projects in Ministry of Land, Transport and Maritime Affairs. Task Planning System(TPS), one of the detail core technologies of IES, is an optimal work planning system in conditions of effectiveness, safety and economic efficiency by analyzing the work environment data based on earthwork design and work environment recognition technology. For effective earthwork planning, the location of platform must be the most optimal spot for minimization of time, maximization of productivity and reduction of overlapped work spaces and unnecessariness. Besides, the decision of optimal platform location is to be based on the specifications and then is able to be converted with the local area calculation algorithm. This study explains the decision of optimal platform location on the basis of local area from the work space separate process and judges the effectiveness.

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A Basis Study on the Integrated System for the Evaluation and Public Announcing System of the Contractor's Construction Capacity (시공능력평가 통합시스템 기반구축에 관한 기초연구)

  • Noh, Jae-Yoon;Jun, Young-Joon;Park, Eun-Soo;Lee, Tai-Sik
    • Proceedings of the Korean Institute Of Construction Engineering and Management
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    • 2008.11a
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    • pp.568-571
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    • 2008
  • To help a owner selecting proper contractors about the specified contract, the Evaluation and Public Announcing System of the Contractor's Construction Capacity has been introduced since 1997. But, the system has been done violence to its original meaning and purpose as time went on. When annually announcing the Contractor's Construction Capacity, especially, there was frequently a large range of opinion on the issues. On that account, MLTM(Ministry of Land, Transport and Maritime Affairs) has had to make a alteration to improve those and is making efforts for a constructive policy now. The purpose of this paper is to conduct a basis study on the Integrated System after reflecting points to be considered about improvements and the current of the times.

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Landscape Color Plan based on Storytelling (스토리텔링 기반의 경관색채계획 울산광역시 동구 주전마을을 대상으로)

  • Lee, Jae-Hyun
    • The Journal of the Korea Contents Association
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    • v.12 no.11
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    • pp.110-118
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    • 2012
  • This study was performed based on "Basic plan of landscape forming project in Jujeon village" which was performed during January ~ August 2011 as a target of "Pilot project of landscape forming in coast village" held by the Ministry of Land, Transport and Maritime Affairs. The project target, Jujeon village, Dong-gu, Ulsan metropolitan city has unique scenery and cultural and historic features. However, its distinct landscape is getting fallen due to insufficient management and development done without considering local feature. Therefore, we need to plan to increase the distinctive place value of coast village, and the landscape color plan is an essential element upon ma king entire harmony of village unit. This study, therefore, aims to suggest authentic landscape color plan and improvement plan of Jujeon village through local color research, local history, geographical feature, and resident sense research of Jujeon village. Especially, for independent landscape color plan for a small village, this study is significant to develop authentic color plan of Jujeon village based on storytelling and to provide possibility in landscape color plan through storytelling in the future.