• Title/Summary/Keyword: Spatial Accessibility

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Evaluating Educational Fairness of Commuting Distances for Rural Villages following the Closing of Elementary Schools (농촌 초등교육시설의 통폐합에 따른 통학접근성을 고려한 교육형평성 평가)

  • Kim, Solhee;Jeon, Jeongbae;Suh, Kyo
    • Journal of The Korean Society of Agricultural Engineers
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    • v.62 no.1
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    • pp.29-38
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    • 2020
  • Although educational facilities are important considerations from a social equity standpoint, the educational environment generally found in rural areas has been continuously deteriorated due to numerous social problems following birth rate declines and school abolition numbers. The purpose of this study is to evaluate the commuting accessibility changed by the abolition of elementary schools. The village-level accessibility is assessed following physical accessibility criteria based on legally defined commuting distances. Moreover, this study shows the implications of commuting accessibility by school district zones through comparing the minimum commuting distances with real commuting distance. The target area is the Gangwon state, the coverage area in which for schools is the widest in South Korea (44.1 ㎢/school). We evaluated the commuting distances to the nearest elementary school for 992 rural villages and 74 urban villages. Of the 1,066 villages in urban and rural areas evaluated, most of the villages (about 77%) are exposed to commutes to elementary schools were the marginal distance is over 1,000 meters. The annual rate of increase of commuting distance for 1,066 villages in Gangwon state has steadily increased by 2.8%p since 2000, average commuting distance from 2.8 km to 3.6 km. By the designation of the school districts, elementary school students have to go to a faraway school located within administrative district, even though there is a school nearby. It is expected that the results of this study will be made use of as basic data for the establishment of policies such as a reasonable basis for closing schools measurements considering the locally unique environment.

Design and Implementation of Internet Spatial Data Service Component based Open GIS Specification (개방형 GIS 기반 인터넷 공간 데이터서비스 컴포넌트의 설계 및 구현)

  • Choi, Sang-Kil;Lee, Jin-Kyu;Lee, Jong-Won;Kim, Jang-Su
    • Journal of Korea Spatial Information System Society
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    • v.1 no.2 s.2
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    • pp.21-31
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    • 1999
  • In accordance with the completion of the spatial database building works in the central and/or local government authorities as well as the rapid popularization of various information services through internet, it is heavily required to provide spatial information services through World Wide Web. To provide a qualified spatial information service, it is crucial to have a Web-based GIS (Geographic Information Service) service system equipped with the publicity, the convenient accessibility, and the easy-to-use user interface. In this paper, we introduce a new component system for Web-based spatial information services based on the OpenGIS Simple Feature specification for OLE/COM[3] and OLE DB specification[4]. The important functionality of a Web-based spatial information service system includes its accessibility of various existing GIS server system and huge databases in addition to the resolution of response-time delay problems caused by transmitting a large amount of digital maps via internet[6]. To cope with these problems, our component system has been designed to access heterogeneous databases in transparent manner and to support vector-based and/or image-based image production techniques for shortening transmission time.

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Analysis on Spatial Characteristics of Supportive Housing through Case Study of Competition Award-winning Works (공모전 수상작 사례분석을 통한 지원주택의 공간특성 분석)

  • Lee, Yeunsook;Oh, Ahyeon;Jang, Miseon
    • Korean Institute of Interior Design Journal
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    • v.25 no.4
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    • pp.125-134
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    • 2016
  • This study intends to identify the spatial characteristics by carrying out the case studies of supportive housing examples of the Top Ten Projects awarded by the AIA Committee on Environments. Information of 7 awarded works was collected and content analysis was made according to design concepts and spatial compositions. As a result, the major design concepts applied to the examples were categorized into 5 points of regeneration of community, accessibility to the community, enhancement of spatial capability, participation and consensus of stakeholders and resident support services. Many supportive houses were built as a project to regenerate the deprived area and to reactivate the community through supplying supportive houses. In addition, supportive houses were developed by independent house type and shared house type and diverse scopes and sizes of community spaces were provided by including residents' exclusive community spaces that provide diverse services to vulnerable residents in addition to individual residential spaces and the community spaces that promote the consensus of residents and community people. The results of this study are expected to be used as basic material that provides the direction of desirable spatial design for introducing supportive housings in Korea.

A Study on Identification of the Heat Vulnerability Area - Case Study in Chungcheongnamdo - (폭염 취약지역 도출에 관한 연구 - 충청남도를 대상으로 -)

  • Lee, Gyeongjin;Cha, Jungwoo
    • Journal of Korean Society of Rural Planning
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    • v.25 no.1
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    • pp.67-74
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    • 2019
  • This study is to identify the heat vulnerability area as represented by heat risk factors which could be attributable to heat-related deaths. The heat risk factors were temperature, Older Adults(OA), Economic Disadvantage(ED), Accessibility of Medical Services(AMS), The population Single Person Households(SPH). The factors are follow as; the temperature means to the number of days for decades average daily maximum temperature above $31^{\circ}C$, the Older Adults means to population ages 65 and above, furthermore, the Economic Disadvantage means to the population of Basic Livelihood Security Recipients(BLSR), the Accessibility of Medical Services(AMS) means to 5 minutes away from emergency medical services. The results of the analysis are showed that the top-level of temperature vulnerability areas is Dong, the top-level of vulnerability OA areas is Eup, the top-level of AMS vulnerability is Eup. Moreover, the top-level of vulnerability ED area appears in the Eup and Dong. The result of analysing relative importance to each element, most of the Eup were vulnerable to heat. Since, there are many vulnerable groups such as Economic Disadvantage, Older Adults in the Eup. We can be figured out estimated the number of heat-related deaths was high in the Eup and Dong by the data of emergency activation in the Chungcheongnam-do Fire Department. Therefore, the result of this study could be reasonable.

Non-linear effects of demand-supply based metro accessibility on land prices in Seoul, Republic of Korea: Using G2SFCA Approach (서울시 수요-공급 기반 지하철 접근성이 토지가격에 미치는 비선형적 영향: G2SFCA 적용을 중심으로)

  • Kang, Chang-Deok
    • Journal of Cadastre & Land InformatiX
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    • v.52 no.2
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    • pp.189-210
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    • 2022
  • Cities around the world have paid attention to public transportation as an alternative to reducing traffic congestion caused by automobile usage, excessive energy consumption, and environmental pollution. This study measures accessibility to subway stations in Seoul using a supply-demand-based accessibility technique. Then, the impacts were analyzed through land prices by use and segment. As a result of analysis using the multilevel hedonic price models, accessibility considering both supply and demand for the subway had a positive effect on both residential and non-residential land prices. The effect was stronger for residential than for non-residential. Further, among the accessibility measured by the three functions, the accessibility by the Exponential function was most suitable for the residential land price, and the accessibility measured by the Power function for the non-residential land price had the highest explanatory power. Also, looking at the impacts by land price segments, it was found that higher access to metro stations had the greatest positive impacts on the most expensive segment of residential and non-residential land prices. The results of this study can be applied not only to identify the impacts of public investment on neighborhoods, but also to support real estate valuation.

Development of a Spatial Location-Allocation Model of Center Villages(II) - Evaluating Applicability of Model for a Case Study Area - (농촌 중심마을의 공간적 입지-배분 모형의 개발(II) - 모형의 적용 및 응용성 평가 -)

  • 김대식;정하우
    • Magazine of the Korean Society of Agricultural Engineers
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    • v.43 no.3
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    • pp.46-55
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    • 2001
  • Following the previous paper on development of the spatial location-allocation model of center villages (SLAMCV), this paper, the 2nd stage of the this study, aims to check up its applicability for several planning scenarios by the case study. Among 72 natural villages of Ucheon-myeon, Gangwon-do, Korea the highest single center was simulated as Uhang village and the higher double centers as Uhang and Jeonggeum villages, which coincided exactly with the existing centers. The SLAMCV was well operated for three planning scenarios such as selection of the 3rd center village and its hinter villages for Ucheon-myeon, Gargwon-do, Korea by dividing three living spheres, impact assessment evaluation of road improvement projects on the spatial accessibility, and analysis of centerality changes of settlement units by new road construction.

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Analyzing the Location of Urban Neighborhood Parks Using GIS and AHP Techniques (GIS와 AHP 의사결정 방법을 이용한 도시 근린 공원의 입지 분석)

  • 홍성언;박수홍
    • Journal of the Korean Geographical Society
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    • v.38 no.5
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    • pp.849-860
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    • 2003
  • City's inhabitants should be able to utilize a variety of urban infrastructures and public facilities in a way of possessing the convenience, amenity, and safety of urban life. Most of the city government, however has established a policy for making and providing urban park facilities based on a very simple quantitative criteria rather than the qualitative criteria such as appropriateness, utility, accessibility, equity so far. Especially in the case of urban neighborhood parks, the usefulness to the inhabitant and accessibility to the parks may be questionable. In this study, we intended to analyze the spatial equity and distribution characteristics of urban neighborhood parks and to select several potential facility sites required in the study area using GIS's spatial analysis functions. Finally this study analyzes the possible location of an urban neighborhood park in terms of objective criteria and AHP techniques.

Location Tracking in Indoor Symbolic Space with RFID Sensors (RFID 센서를 이용한 실내 기호공간에서의 위치추적)

  • Kang, Hye-Young;Hwang, Jung-Rae;Li, Ki-Joune
    • Spatial Information Research
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    • v.19 no.3
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    • pp.53-62
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    • 2011
  • Spatial information services in indoor space are an im portant application area of GIS as in outdoor space. Unlike in outdoor space, a position in indoor space is specified by a symbolic code such as room number, rather than coordinate. Therefore tracking in indoor space is no longer a prediction of coordinates but a symbolic estimation on the current position of a moving object. In this paper, we propose a framework for tracking moving objects in indoor symbolic space with RFID sensors. First, we introduce the concepts of indoor symbolic space and tracking in indoor symbolic space, and define the accessibility graph for trackable indoor symbolic space. Second, we propose a deployment method of RFID readers and a construction algorithm of accessibility graph for trackable indoor symbolic space. Third, a tracking method is proposed for moving objects in symbolic indoor space with RFID sensors. Finally, we present an implementation exmaple and the result of experiment with real data to validate the proposed method.

Analysis of Accessibility of Public interest related Living Service in Rural Area (공익형 농촌 생활서비스 접근성 분석)

  • Shin, MinJi;Park, Meejeong;Jeon, Jeongbae;Park, Roroun;Kim, SangBum
    • Journal of Korean Society of Rural Planning
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    • v.25 no.3
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    • pp.19-27
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    • 2019
  • The purpose of this study was to determine whether public services in rural areas performed the functions of public interest value that benefited all residents of rural areas. Therefore, the results were derived through spatial distribution and population characteristics analysis at the level of basic living service facilities. As a result, the status of spatial distribution in the Favorable and Vulnerable areas of rural villages and the status of population distribution in the vulnerable areas was analyzed for retail, child care and medical facilities. In the case of retail facilities, it was found that more than 80.0% of the country's farming villages were distributed in the favorable areas that could be reached within 15 minutes. In the case of child care facilities, 91.5% of the total number of favorable areas could be reached within 15 minutes, and the distribution of child care facilities nationwide was deemed proper. In the case of medical facilities, 90.8% or more villages could be reached within 15 minutes of travel time as a lawmaker, and in the case of hospitals and emergency medical services, 92.7% of hospitals and 68.2% of emergency medical services were analyzed as favorable areas. Through these results, the government intends to establish objective spatial data in rural areas to provide basic information on policy directions and contribute to planning.

Development of a Potential Centrality Evaluation Model for Rural Villages ( I ) -Developing Model by MCE Method- (농촌마을의 중심성 평가 모형의 개발 (I) -MCE법에 의한 모형의 개발 -)

  • 김대식;정하우
    • Magazine of the Korean Society of Agricultural Engineers
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    • v.44 no.1
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    • pp.69-80
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    • 2002
  • This study aims to develop a potential centrality evaluation model (PCEM) which can evaluate the potential centrality of villages within the catchment boundaries. PCEM is a tool for evaluation of villages\` centralities by the potential centrality index (PCI) developed in this study. For quantification of PCI, total 31 evaluation criteria on the accessibility to other villages and the natural and human environment of the village were introduced. The weighting values of criteria were calculated from the step wise pair-comparision results of 14 specialists in academic fields on rural planning using by AHP (Analytic Hierachy Process) of MCE (multi-criteria evaluation) method. In the results, the weighting values of the spatial accessibility, the natural environments and the human environments were 448, 338 and 214, respectively, among total value being 1,000.