• 제목/요약/키워드: 해양 GIS

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A trend of u-GIS technologies for constructing u-City (u-City구축을 위한 u-GIS기술 발전방향에 대한 고찰)

  • Lee, Seok-Ho;Lee, Ji-Yeong
    • Proceedings of the Korean Association of Geographic Inforamtion Studies Conference
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    • 2009.04a
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    • pp.311-312
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    • 2009
  • 현재 우리나라는 서울, 부산 등 광역도시와 19개 신도시, 9개의 혁신도시 등 전국 총 53개 지역 지구에서 u-City를 계획 추진 중에 있고, 국토해양부의 VC-10과제 중 일부에서 u-GIS기술 개발이 한창이다. 실시간 데이터를 다루는 u-GIS기술은 앞으로 u-City구축의 핵심기술이 될 것이다. 본 연구에서는 u-City의 본질적인 의미를 다시 생각해 보고, u-GIS기술의 발전방향을 u-City의 관점에서 고찰하였다.

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해상교통망 구축을 위한 밀집분석과 GIS 알고리즘 적용에 관한 연구

  • 이정석;이철용;김학찬;조익순
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • 2023.11a
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    • pp.59-60
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    • 2023
  • 현재 우리나라는 연안수역에 급증하는 해양시설물 설치사업에 따라 해상교통로를 보존하고 연안수역 해상교통망 수역을 기존에 구축된 지리정보 시스템(GIS)와 연계할 수 있는 방법을 연구중에 있다. 이에 따라 Postgres SQL 기반의 PostGIS를 활용하여 해상교통 밀집분석을 시공간 형태로 구축 하였으며 표출 방법에 따라 최적의 해상교통로를 선정하고자 한다. 표출 방법은 등도수 분할을 활용하여 10개의 등급으로 구분한 후 상위 1개 등급을 우선적으로 선정하였으며, 이를 기반으로 GIS에서 제공하는 다양한 알고리즘을 활용하여 좌표로 구축하고자 하였다. 수많은 격자 데이터와 벡터형태로 저장된 해상교통밀집 분석 결과는 폴리곤 결합, 폴리곤 부분 제거, 폴리곤 스무싱, 폴리곤 단순화를 활용하여 해상교통망을 구축하였다.

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공간분석을 통한 연안해역 해상교통망 식별

  • 조익순;이정석;김학찬
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • 2023.11a
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    • pp.57-58
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    • 2023
  • 우리나라 연안해역에 급증하는 해상풍력단지 등 대규모 해양개발 행위로 인해 무분별한 해역을 점용하게 됨에 따라, 과거 관습적으로 이용해오는 해상교통로와 상충되어 발생하는 사회적 충돌이 문제가 되고 있다. 특히, 선박 대형화 및 자동화, 자율운항선박 등장 등 해상교통환경 변화에 따라 안전한 연안 해상교통환경 조성이 시급한 상황이다. 모든 연안해역의 해상교통 흐름 및 교통밀집도 분석에 따른 관습적 해상교통망을 식별하고, 이를 지정·구축하고자, 빅데이터 및 지리정보시스템(GIS) 기반 해양공간분석기법을 활용하여 검토 및 분석하였다. 이렇게 분석 및 식별된 결과는 DB화하여 디지털 GIS 관리시스템과 연계하도록 추진중이다.

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Study on Development of GIS based Maritime Boundary Delimitation Support System (GIS 기반의 해양경계획정 지원시스템 개발에 관한 연구)

  • Lee, Dong-Chul;Kim, Kye-Hyun;Park, Yong-Gil
    • Journal of Ocean Engineering and Technology
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    • v.26 no.4
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    • pp.23-29
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    • 2012
  • Korea has maritime jurisdiction over an area 4.5 times larger than the nation's inland area, but negotiations with surrounding nations on the maritime boundary delimitation have still not been completed satisfactorily. In particular, maritime boundary delimitation has become an important issue in terms of maritime security and resource exploration. Considering national interests, the delimitation of the maritime boundary is essential. However, no system to help the decision-makers involved in maritime boundary delimitation has yet been systematically constructed. Therefore, the aim of this study was the development of a system to support such decision-making. In this study, considerations related to maritime boundary delimitation were investigated through expert advice and international precedents. Based on these considerations, data were collected from several organizations, and a spatial database was systematically constructed. Finally, MBDSS (maritime boundary delimitation support system) was developed to support maritime boundary delimitation. This GIS-based system provides visual information about the considerations for the maritime boundary delimitation. Thus, it could help decision-makers to choose appropriate boundaries during the negotiation. Furthermore, this system is expected to be utilized as a scientific tool on the delimitation of maritime boundaries.

GIS-based Ocean Informatics for Integrated Coastal Management (연안역통합관리를 위한 GIS 기반 해양정보학)

  • Kim, Jong-Kyu
    • Journal of Fisheries and Marine Sciences Education
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    • v.16 no.2
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    • pp.227-237
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    • 2004
  • Recently development trends in information technology expand the activity boundaries for human living beyond coastal zones. These rapid changes of paradigm are stimulating scientists and strategists to be encouraged in making adequate model for marine geographic information system (MGIS) and their applications. Coastal zones are places which are affected by many factors, such as water quality, tide, wave, atmosphere, population, industry, etc. Therefore information related to the coast has to be integrated and analyzed for managing it efficiently. GIS-based Ocean Informatics is suited for those purposes and used in the study for establishing and managing coastal geographic and environmental information system. This paper reviews the properties of ocean and coastal spaces, then defines some MGIS related terminologies for clarifying the scope of MGIS boundaries. In this study, coastal geographic information is established by digital geographic information and digital terrain information. Digital coast chart having information on digital chart and map can merge and analyze various coastal information and can be a useful tool for the coastal integrated management.

The application of GIS in analyzing acoustical and multidimensional data related to artificial reefs ground (인공어초 어장에서 수록한 음향학적 다차원 데이터 해석을 위한 GIS의 응용)

  • Kang, Myoung-Hee;Nakamura, Takeshi;Hamano, Akira
    • Journal of the Korean Society of Fisheries and Ocean Technology
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    • v.47 no.3
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    • pp.222-233
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    • 2011
  • This study is for the multi-dimensional analysis of diverse data sets for artificial reefs off the coast of Shimonoseki, Yamaguchi prefecture, Japan. Various data sets recorded in artificial reefs ground were integrated in new GIS software: to reveal the relationships between water temperature and fish schools; to visualize the quantitative connection between the reefs and the fish schools; and to compare the seabed types derived from two different data sources. The results obtained suggest that the application of GIS in analyzing multi-dimensional data is a better way to understand the characteristics of fish schools and environmental information around artificial reefs and particularly in the evaluation of the effectiveness of artificial reefs.

A Study on the Integration GIS with Hydrodynamic Model (GIS와 해수유동모델의 연계방안 연구)

  • 김종규;김정현
    • Journal of Ocean Engineering and Technology
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    • v.16 no.6
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    • pp.1-6
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    • 2002
  • The integration of Geographic Information Systems (GIS) with the hydrodynamic model was conducted in order to revitalize the use of geographical information and to aid in the understanding of tidal circulation patterns. A 2D finite difference numerical model was used to simulate n tidal circulation in the Suyoung Bay in Busan, Korea. CIS, especially the ArcView S/W is used to input the data of the numerical model, and is also used for the visualization of model outputs on the ground in the loosely coupled method. In this paper, an electronic navigational chart (ENC), which provides more accurate information in the ocean and coastal areas than any other digital information, is used as a base map for this integration. With the help of GIS, the integration can support th understanding of oceanographic information.

Study on Evaluation of Heat Demand and GIS Mapping in Costal Area (연안도시의 열 수요 추정 및 GIS Map 작성에 관한 연구)

  • Chung, Yong-Hyun
    • Journal of Fisheries and Marine Sciences Education
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    • v.25 no.1
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    • pp.192-197
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    • 2013
  • To overcome the mismatch of heat demand and heat supply is important as considering point on heat utilizing aspects in Urban area. At this point, It need to know the plan of heat networks on the heat balance aspects. The purpose of this study is to know the method of heat evaluation on heat network around costal area. It is need to building uses to calculate the amounts of heat demand. 25 different types of building uses were supplied, but it was reclassified 10 types and calculated the amounts of heat demand in the costal area. The results was described on the area with GIS mapping.