• Title/Summary/Keyword: Integrated geographic information system

Search Result 192, Processing Time 0.021 seconds

Integrated Management of Geographic Data and Vehicular Images in Geographic Information Systems

  • Yoo JaeJun
    • Proceedings of the KSRS Conference
    • /
    • 2004.10a
    • /
    • pp.242-244
    • /
    • 2004
  • In this paper, we design and implement an integrated management system for geographic data and vehicular images using a Geographic Information System (GIS). Integrated management of geographic data and vehicular images is very important to manage and to provide them to users effectively because of a large volume of vehicular images. To manipulate these data together, we consider a vehicular image as a polygon which is a type of popular geographic data types. The polygon represents a region in which spatial objects appear the vehicular image.

  • PDF

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

  • Kim, Jong-Kyu
    • Journal of Fisheries and Marine Sciences Education
    • /
    • v.16 no.2
    • /
    • pp.227-237
    • /
    • 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.

Development of Distributed Rainfall-Runoff Modelling System Integrated with GIS (지리정보시스템과 통합된 분포형 강우-유출 모의 시스템 개발)

  • Choi, Yun-Seok;Kim, Kyung-Tak;Shim, Myung-Pil
    • Journal of the Korean Association of Geographic Information Studies
    • /
    • v.12 no.3
    • /
    • pp.76-87
    • /
    • 2009
  • Most distributed models have been developed for data interchange between model for hydrological analysis and GIS(Geographic Information System). And some interface systems between them have been developed to operate the model conveniently. This study is about developing integrated system between model and GIS not coupled system based on file interchange or interface system. In this study, HyGIS-GRM which is integrated system between GRM(Grid based Rainfall-runoff Model) which is physically based distributed rainfall-runoff model and HyGIS(Hydro Geographic Information System) have been developed. HyGIS-GRM can carry out all the processes from preparing input data to appling them to model in the same system, and this operation environment can improve the efficiency of running the model and analyzing modeling results. HyGIS-GRM can provide objective modeling environment through establishing the process of integrated operation of GIS and distributed model, and we can obtain fundamental technologies for developing integrated system between GIS and water resources model.

  • PDF

The Building Strategies of Natural Park Integration Monitoring System Based on Geographic Information Analysis System

  • Bae, Min-Ki;Lee, Ju-Hee
    • Journal of Korean Society of Forest Science
    • /
    • v.95 no.5
    • /
    • pp.605-613
    • /
    • 2006
  • The goal of this study was to propose building strategies of web-based national park monitoring system (WNPMS) using geographic information analysis system. To accomplish this study, at first, this study selected and made integrated management indicators considering physical, ecological, and socio-psychological carrying capacity in national park. Secondly, this study built up an integrated management this system with statistical analysis program for execution of various multivariate analysis and spatial analysis. Finally, WNPMS could identify the relationship among visitors, natural resources, and recreation facilities in national park, and forecast the future management status of each national park in Korea. There results of this study will contribute to prevent the damage of natural resources and facilities, improve visitor's satisfaction, prevent an excess of carrying capacity at national park, and established tailored management strategies of each national park.

Integrated Geospatial Information Construction of Ocean and Terrain Using Multibeam Echo Sounder Data and Airborne Lidar Data (항공 Lidar와 멀티빔 음향측심 자료를 이용한 해상과 육상의 통합 지형공간정보 구축)

  • Lee, Jae-One;Choi, Hye-Won;Yun, Bu-Yeol;Park, Chi-Young
    • Journal of the Korean Association of Geographic Information Studies
    • /
    • v.17 no.4
    • /
    • pp.28-39
    • /
    • 2014
  • Several studies have been performed globally on the construction of integrated systems that are available for the integrated use of 3D geographic information on terrain and oceans. Research on 3D geographic modeling is also facilitated by the application of Lidar surveying, which enables the highly accurate realization of 3D geographic information for a wide area of land. In addition, a few marine research organizations have been conducting investigations and surveying diverse ocean information for building and applying MGIS(Marine Geographic Information System). However, the construction of integrated geographic information systems for both terrain and oceans has certain limitations resulting from the inconsistency in reference systems and datum levels between two data. Therefore, in this investigation, integrated geospatial information has been realized by using a combined topographical map, after matching the reference systems and datum levels by integration of airborne Lidar data and multi-beam echo sounder data. To verify the accuracy of the integrated geospatial information data, ten randomly selected samples from study areas were selected and analyzed. The results show that the 10 analyzed data samples have an RMSE of 0.46m, which meets the IHO standard(0.5m) for depth accuracy of hydrographic surveys.

A Study on Policy for National Geographic Information System (국가GIS 중장기 정책방향에 관한 연구)

  • Chung, Moon-Sub;Choi, Yong-Bok
    • Journal of Korea Spatial Information System Society
    • /
    • v.8 no.3
    • /
    • pp.51-64
    • /
    • 2006
  • This study is to suggests the vision and policy issues on National Geographic Information System in Korea. Firstly, this study is to describe the current situation and problems of national geographic information. ${\ulcorner}$The Second national geographic information plan${\lrcorner}$ consist of 47 projects include national level. For the purpose of third NGIS plan, diverse problems suggested on spatial information computierization, application, distribution. Secondly, we conducts an analysis of national geographic information demand. According to the analysis results 'cyber geospace' is the key issues in near future. In order to construct the ${\ulcorner}$Integrated Digital Territory${\lrcorner}$ in the 21st Century, the current promoted project for the national geographic information constuction needs to be more developed. In this regard, it is necessary to implement ${\ulcorner}$Integrated Digital Territory${\lrcorner}$, enhancing the usability of NGIS, creating the 'cyber geospace' and intelligent territory.

  • PDF

지하수 유동(MODFLOW) 및 수질(MOC3D) 모형과 ArcView를 결합한 지하수환경 예측 시스템의 개발

  • 김준현;한영한;김정욱;최윤호
    • Proceedings of the Korean Association of Geographic Inforamtion Studies Conference
    • /
    • 1999.12a
    • /
    • pp.1-4
    • /
    • 1999
  • This study was performed to develop an information processing system for the sound conservation of soil and groundwater resources. The system contains the geographic information system, and the numerical model of groundwater flow and contamination. Numerical models (MODFLOW,MOC3D) and GIS (ArcView) were integrated for the construction of an integrated management system of subsurface environment. The developed system was applied to the management of three mineral water companies located in clean mountain area. The impact of pumping over the overall catchment basin was modeled using the developed system for the decision of future management criteria.

  • PDF

A Study on the Stratege for Intergrating National Geographic Information System and National Very High-speed Communication Network (국가지리정보시스템과 초고속 정보통신망의 연계전략에 관한 연구)

  • 유근배;황철수;구자용;오충원
    • Spatial Information Research
    • /
    • v.5 no.1
    • /
    • pp.61-75
    • /
    • 1997
  • National Geographic Information System(NGIS) should be designed on the assumption that geographic data collected by each national organization should be integrated into geographic database systemically. To achieve this object, NGIS database would be better connected to National Very High-Speed Communication Network. In the process of research, some problems related to Korean NGIS are found. These are standardization, compatibility, extension, issue of making and opening digital map, and issue related to land information. So, it is required that pilot project apply National Geographic Information System in terms of National Very High-Speed computer network project. This project is to contain two main theme building of physical network and special management of network which is related with NGIS.

  • PDF

Development of an Integrated DB Management System for GIS-Based Client/Server Data Sharing in Climate and Environment Fields (GIS기반의 기후·환경 분야 자료 공유를 위한 Client/Server 방식의 통합DB 관리시스템 개발)

  • Choi, Yong-Kuk;Kim, Kye-Hyun;Lee, Chol-Young
    • Journal of the Korean Association of Geographic Information Studies
    • /
    • v.17 no.2
    • /
    • pp.32-43
    • /
    • 2014
  • To identify major causes of the global environment changes arising from extreme and unusual weather patterns occurring these days, and to foresee future environmental changes, it is highly important to shed light on the correlation between climate changes and global environment system. To investigate the correlation between climate changes and global environment system, it calls for establishing an integrated climate-environment DB for analyzing comparatively the data on climatic changes and global environment system. In the preceding studies, we researched an XML-based integrated climate-environment DB and developed a management system for the DB. However, the existing integrated climate-environment DB, designed and installed only for individual PCs, does not allow multiple users 'simultaneous access. Accordingly, it fails to systematically update and sharing data which is being generated continuingly. Hence, this study aims to develop an easy-to-use GIS-based integrated DB management system by improving the existing integrated climate-environment DB through the adoption of the client/server model. For this, this study collected and analyzed climate and environment data prior to designing and building a DBMS-based integrated DB. In addition, in order for multidisciplinary researchers to easily get access and apply the integrated DB, this study designed and developed a GIS-based integrated DB management system using a client/server model which facilitates connections with multiple PCs. The GIS-based integrated climate-environment DB management system makes it easier to efficiently manage and locate scattered climate-environment data. It is also expected that the DB system will bring the effects in saving time and cost by avoiding the overlapping generation of data in the areas of integrated climate-environment research.

Construction of Land Information System using Three Dimensional Digital Elevation Model Algorithm (3차원 지형모델 알고리즘을 이용한 토지정보체계 구축)

  • Kang, Ho-Yun;Chang, Yong-Ku;Kang, In-Joon
    • Journal of the Korean Association of Geographic Information Studies
    • /
    • v.4 no.3
    • /
    • pp.31-40
    • /
    • 2001
  • Geography Information System is divided to many details fields such as Urban Information System, Land Information System, Military Information System etc. These detailed fields are connected each other and make National Geography Information System. Now Geography Information System is being used in many fields with Urban Information System. And information of all field is being constructed to network for share each other. Now Land Information System(LIS) is being constructed to two dimensional. But LIS can construct and utilize three dimensional geographic data by connecting Geography Information System and this effect will be greatest. Thus, the study of connecting cadastral map and digital terrain map must be continued. Through the study of connecting digital terrain map, the construction and analysis of three dimensional digital elevation model will be able to construct Land Information System effectively. To this study, the authors constructed integrated geographic data by uniting digital terrain map and cadastral map and constructed three dimensional digital elevation model. By connecting cadastral information database, the authors developed three dimensional Integrated Land Information System.

  • PDF