• 한국수소및신에너지학회논문집
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• 제25권3호
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• pp.255-263
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• 2014

This paper deals with a construction plan of hydrogen fueling stations on express highways using geographic information system. We analyzed the existing hydrogen fueling stations and production facilities to construct the hydrogen supply system to satisfy the hydrogen demands. Also, we suggested the necessary number and locations of hydrogen fueling stations on express highways for operating fuel cell vehicles. As a result, we need to construct at least 6 hydrogen stations on express highways in 2020 and 14 hydrogen stations in 2025. In 2030, when fuel cell vehicles are expected to spread over the whole nation, 114 hydrogen stations are needed to construct on express highways. This study mainly utilized the information of distances between hydrogen production facilities and fueling stations. However, we need to analyze the other factors such as traffic and income data. Also, it is necessary to make a suitable construction plan of hydrogen fueling stations that should be constructed on each district using geographic information system.

• 한국전자통신학회논문지
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• 제6권4호
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• pp.559-565
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• 2011

본 논문은 CCTV의 카메라의 촬영영상을 통해 주위의 지형정보를 추출하여 3차원 지형도를 제작함으로써 효과적으로 지리정보를 구축할 수 있는 지리 정보 시스템을 제안하였다. 또한 카메라의 촬영영상을 통해 인식되는 객체를 추적하고, 추적의 성공여부에 따라 지형 변화의 여부를 인식하는 방법을 제안하였다. 이 방법을 산업 현장에 적용하면 실제 지형에 가까운 지리정보를 구축할 수 있을 뿐만 아니라 보안, 감시 및 추적 시스템으로 활용할 수 있다.

• 정보관리학회지
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• 제28권3호
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• pp.163-178
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• 2011

본 연구는 문헌정보학 분야에서 지리정보시스템을 어떻게 활용할 수 있는지에 대해 미국 플로리다주 Lake 카운티 도서관 이용자 정보를 이용하여 논의하였다. GIS의 다양한 기능 중에서 지오코딩, Thiessen 다각형, 밀집도, 버퍼, 이동거리의 측정 등의 툴들을 이용하여 도서관 이용자 정보를 분석하였다. 분석결과, 도서관 이용자의 위치나 분포형태에 대한 이해를 얻을 수 있었고 도서관 서비스 지역을 설정함으로써 도서관 서비스 계획수립을 위한 토대를 마련할 수 있었다. 또한 Thiessen 다각형이나 버퍼를 통해 이동거리가 도서관 이용에 미치는 영향을 분석함과 동시에 보다 현실적인 도서관 이용자의 이동거리를 측정하는 방법을 제시하였다.

• 대한전자공학회:학술대회논문집
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• 대한전자공학회 2009년도 정보 및 제어 심포지움 논문집
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• pp.51-53
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• 2009

In wireless sensor networks(WSNs), geographic routing algorithms can enhance the network capacity. However, in the real WSNs, it is difficult for each node to know its accurate physical location. Geographic routing with location error may have serious problems such as disconnected links and delayed data transmission. In this letter, we present an efficient location error detection scheme for geographic routing. The proposed algorithm can efficiently update its incorrect location without additional procedure and finally enhance the performance on the geographic routing with the location errors.

• Environmental Analysis Health and Toxicology
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• 제30권
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• pp.10.1-10.14
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• 2015

Recent cohort studies have relied on exposure prediction models to estimate individual-level air pollution concentrations because individual air pollution measurements are not available for cohort locations. For such prediction models, geographic variables related to pollution sources are important inputs. We demonstrated the computation process of geographic variables mostly recorded in 2010 at regulatory air pollution monitoring sites in South Korea. On the basis of previous studies, we finalized a list of 313 geographic variables related to air pollution sources in eight categories including traffic, demographic characteristics, land use, transportation facilities, physical geography, emissions, vegetation, and altitude. We then obtained data from different sources such as the Statistics Geographic Information Service and Korean Transport Database. After integrating all available data to a single database by matching coordinate systems and converting non-spatial data to spatial data, we computed geographic variables at 294 regulatory monitoring sites in South Korea. The data integration and variable computation were performed by using ArcGIS version 10.2 (ESRI Inc., Redlands, CA, USA). For traffic, we computed the distances to the nearest roads and the sums of road lengths within different sizes of circular buffers. In addition, we calculated the numbers of residents, households, housing buildings, companies, and employees within the buffers. The percentages of areas for different types of land use compared to total areas were calculated within the buffers. For transportation facilities and physical geography, we computed the distances to the closest public transportation depots and the boundary lines. The vegetation index and altitude were estimated at a given location by using satellite data. The summary statistics of geographic variables in Seoul across monitoring sites showed different patterns between urban background and urban roadside sites. This study provided practical knowledge on the computation process of geographic variables in South Korea, which will improve air pollution prediction models and contribute to subsequent health analyses.

• Spatial Information Research
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• 제18권2호
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• pp.13-24
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• 2010

본 연구의 목적은 온라인과 오프라인 공간에 다양하게 존재하는 지리 관련 학습 자료를 지도를 기반으로 매쉬업한 지리교육사이트를 구현해 봄으로써 지도를 기반으로 한 지리교육의 가능성을 탐색해보고자 하였다. 최근 지오웹환경의 급격한 변화는 지리교육에 있어서도 지도에 기반한 다양한 변화가능성을 제안하고 있지만, 지리교육분야에서 그와 관련된 연구는 매우 제한적이었다. 그러나 본 연구에서는 첫째, 교과서 분석을 통하여 콘텐츠를 설계하고, 그 개념을 설명하기 위한 사진, 영상, 개념도 등 다양한 관련자료를 수집하였으며, 둘째, 수집된 자료를 구글의 오픈 API를 활용하여 지도기반으로 매쉬업하였으며, 셋째, 교과서 분석에 따른 내용분류와 수집된 자료를 바탕으로 지리교육사이트를 구축하였다. 본 연구는 공간을 다루는 지리교육에서 텍스트위주가 아닌 지도기반으로 교육을 할 수 있는 가능성을 탐색하고, 지오웹환경에서 교과서의 다양한 개념을 가장 잘 표현할 수 있는 방안을 모색하였다는데 의의가 있다.

• 한국신재생에너지학회:학술대회논문집
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• 한국신재생에너지학회 2010년도 추계학술대회 초록집
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• pp.203-203
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• 2010

Small hydropower is one of the many types of new and renewable energy, which South Korea is planning to develop, as the country is abundant in endowed resources. In order to fully utilize small hydropower resources, there is a need for greater precision in quantifying small hydropower resources and establish an environment in which energy sources can be discovered using the small hydropower geographic information system. This study has given greater precision to calculating annual electricity generation and installed capacity of small hydropower plants of 117 medium basins by inquiring into average annual rainfall, basin area and runoff coefficient, which is anticipated to promote small hydropower resources utilization. Small hydropower geographic information system was also established by additionally providing base information on quantified small hydropower resources and analysis function and small hydropower generator status, rivers, basin, rainfall gauging station, water level gauging station etc.. Established system of GIS small hydropower energy can be used gather basic information for positive applications of small hydropower energy nationwide.

• 대한공간정보학회지
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• 제3권1호
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• pp.79-89
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• 1995

SPOT 위성영상은 궤도의 안정성, 높은 공간해상력 및 적절한 기선대 고도비등을 제공하며 사각 촬영으로 얻어진 위성영상으로부터 3차원 지형정보를 추출할 수 있는 계기를 가져다 주었다. 본 연구에서는 SPOT 입체 위성영상을 이용하여 3차원 지형지물의 특징자료를 추출하고, 이 자료를 이용하여 지형과 지물에 대한 3차원 그래픽 자료를 생성하는 기법과 지형정보의 3차원 그래픽 화일을 컴퓨터상에서 자동생성하고 도시하는 기법을 연구하였다.

• 대한원격탐사학회:학술대회논문집
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• 대한원격탐사학회 2006년도 Proceedings of ISRS 2006 PORSEC Volume II
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• pp.884-887
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• 2006

This paper focuses on minimizing flood damage in the Yeongdeok basin of South Korea by establishing a flood prediction model based on a geographic information system (GIS), remote sensing, and geomorphoclimatic instantaneous unit hydrograph (GcIUH) techniques. The GIS database for flash flood prediction was created using data from digital elevation models (DEMs), soil maps, and Landsat satellite imagery. Flood prediction was based on the peak discharge calculated at the sub-basin scale using hydrogeomorphologic techniques and the threshold runoff value. Using the developed flash flood prediction model, rainfall conditions with the potential to cause flooding were determined based on the cumulative rainfall for 20 minutes, considering rainfall duration, peak discharge, and flooding in the Yeongdeok basin.

• International Journal of Computer Science & Network Security
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• 제21권12spc호
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• pp.409-414
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• 2021

Geographic Information Systems (GIS) is considered to be one of the most important technologies provided by the Internet in our era. GIS enables institutions and individuals to plan and make decisions in many fields. GIS assists in accessing new and updated information on planning process. GIS also enables determining distances such as length, width, area on a map, and allows analyzing and processing a large amount of data for the search of geographical characteristics of locations. This paper explains the concept of dispensing prescription through the specific code of drug on an electronic system using GIS technology. The proposed methodology aims to inform patients of all the prescriptions dispensed and to help individuals inquiring about prescription at the nearest pharmacy through GIS technology. This proposed methodology is considered significant in some cases, as the patient does not know price, specifications and pharmacy location where the drug required is available, thus increasing the time and effort cost that is spent searching for the prescription.