• Title, Summary, Keyword: Urban Spatial Structure

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Relevance between Subway Commuting Travel Time and Spatial Extent of the Catchment Areas (지하철 통근통행시간이 역세권의 공간범위에 미치는 영향분석)

  • Lee, Seungil;Jang, Se Jin
    • Journal of The Korean Society of Civil Engineers
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    • v.28 no.1D
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    • pp.119-127
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    • 2008
  • Nowaday, the local governments eager to change their transport system aiming for public transport oriented one. However, it is more important to change the land use system in the catchment areas of public transport in order to enhance its usage sustainably for the long run. This research aims to seek maximal spatial extent of the catchment areas of the Seoul Metropolitan Subway in consideration of its urban spatial structure in order to accommodate the potential users living around the subway stations. For this task the empirical data of the household travel survey for the Seoul Metropolitan Area conducted 2002 were analysed. It was founded that the walking access times to the subway stations, which can represent their spatial extents, are related to their travel times, but differently according to their given positions in the urban spatial structure. The characteristics of subway commuters also affect them with the conditions. It is to be expected that the results of this research can contribute to an enhancement of its usage by applying to land-use policies of the catchment areas.

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Statistical Model Analysis of Urban Spatial Structures and Greenhouse Gas (GHG) - Air Pollution (AP) Integrated Emissions in Seoul (서울시 도시공간구조와 온실가스-대기오염 통합 배출량의 통계모형분석)

  • Jung, Jaehyung;Kwon, O-Yul
    • Journal of Environmental Science International
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    • v.24 no.3
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    • pp.303-316
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    • 2015
  • The relationship between urban spatial structures and GHG-AP integrated emissions was investigated by statistically analyzing those from 25 administrative districts of Seoul. Urban spatial structures, of which data were obtained from Seoul statistics yearbook, were classified into five categories of city development, residence, environment, traffic and economy. They were further classified into 10 components of local area, population, number of households, residential area, forest area, park area, registered vehicles, road area, number of businesses and total local taxes. GHG-AP integrated emissions were estimated based on IPCC(intergovernmental panel on climate change) 2006 guidelines, guideline for government greenhouse inventories, EPA AP-42(compilation of air pollutant emission factors) and preliminary studies. The result of statistical analysis indicated that GHG-AP integrated emissions were significantly correlated with urban spatial structures. The correlation analysis results showed that registered vehicles for GHG (r=0.803, p<0.01), forest area for AP (r=0.996, p<0.01), and park area for AP (r=0.889, p<0.01) were highly significant. From the factor analysis, three groups such as city and traffic categories, economy category and environment category were identified to be the governing factors controlling GHG-AP emissions. The multiple regression analysis also represented that the most influencing factors on GHG-AP emissions were categories of traffic and environment. 25 administrative districts of Seoul were clustered into six groups, of which each has similar characteristics of urban spatial structures and GHG-AP integrated emissions.

A Study on the Location and Spatial Organization of the Byeong San Confucian Academy (병산서원(屛山書院)의 입지(立地)와 공간구성(空間構成)에 관(關)한 연구(硏究))

  • Choi, Jong-Hee
    • The Journal of Natural Sciences
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    • v.18 no.1
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    • pp.77-90
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    • 2007
  • This study aims to discussion the characteristics of location and spatial organization of the Byeong San confucian academy. To do this, we studied in two ways; analysis of the present conditions and photographing, research materials about the form of physical structure and review of historical documents. The result of analysis in the sight of the location and spatial structure was good matched. The spatial organization of the Byeong San confucian academy was divided into lecturing space and sacrificial space. In the Mandaeru on Byeong San confucian academy was imported borrowed scenery of surrounding landscape and while placed arranging various constituent elements of the small-scale pond and visual perception in trying to formalize the landscape. The result of this study, analysis of axis and terrace shows backgrounds of these locations shows that the political and social, economical phenomena were influenced to the locations and spatial organization of the Byeong San Confucian Academy.

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Development of a Simulation Tool to Evaluate GNSS Positioning Performance in Urban Area

  • Wu, Falin;Liu, Gang-Jun;Zhang, Kefei;Densley, Liam
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • v.2
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    • pp.71-76
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    • 2006
  • With the rapid development of spatial infrastructure in US, Europe, Japan, China and India, there is no doubt that the next generation Global Navigation Satellite System (GNSS) will improve the integrity, accuracy, reliability and availability of the position solution. GNSS is becoming an essential element of personal, commercial and public infrastructure and consequently part of our daily lives. However, the applicability of GPS in supporting a range of location-sensitive applications such as location based services in an urban environment is severely curtailed by the interference of the 3D urban settings. To characterize and gain in-depth understanding of such interferences and to be able to provide location-based optimization alternatives, a high-fidelity 3D urban model of Melbourne CBD built with ArcGIS and large scale high-resolution spatial data sets is used in this study to support a comprehensive simulation of current and future GNSS signal performance, in terms of signal continuity, availability, strength, geometry, positioning accuracy and reliability based on a number of scenarios. The design, structure and major components of the simulator are outlined. Useful time-stamped spatial patterns of the signal performance over the experimental urban area have been revealed which are valuable for supporting location based services applications, such as emergency responses, the optimization of wireless communication infrastructures and vehicle navigation services.

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A Study on the Standardization of the Urban Planning Information System (도시계획정보시스템 표준화를 위한 방향설정에 관한 연구)

  • Kim, In-Hyun;Oh, Kyu-Shik
    • Spatial Information Research
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    • v.18 no.5
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    • pp.75-81
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    • 2010
  • The Urban Planning Information System is the core system in urban planning field which should operate at the national level of network, and requires a close inspection from the initial level of development. Therefore, this study analyzes international standards, domestic laws, preceding plans, as well as the standard system established in 2008, in order to identify the problems and propose directions for the future direction of the Urban Planning Information System. Suggestions from this study can be summarized as follows: (1) to take initiatives to create standards for the development of the Urban Planning Information System, followed by the establishment as international standards, (2) to have the system developed as an open structure, and (3) to comply w ith the preceding plans of related national GIS system to enable integration.

A Study on the Spatial Characteristics Analysis of the Urban Public Space, applying a Pattern Language (패턴 언어를 적용한 공공공간의 공간적 특성 분석에 관한 연구)

  • Lee, Hoon-Gill;Lee, Joo-Hyung
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.16 no.8
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    • pp.5608-5618
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    • 2015
  • This study conducted a spatial characterization of the public space using the pattern language of Christopher Alexander. It is the place which the city offers the human various experience. Urban public space has played an important role in flourishing public life through history. It has been a place for communication, cultural events, commercial exchange recreation, etc. among people in the city. But today, various behavior in public space and public life are declined. One of the reason in neglecting the user's need when urban space are planned and managed. This study examined the role and types of urban public space through literature survey and found the reason for its decline. For this public space spatial characteristics and indicators by FGI(Focus Group Interview) derived through. After those, case study was examined Jongro in Seoul and analyzed the spatial characteristics of the urban public space in a pattern language. Consequently, this study presents suitable a space structure direction of the public space and do for rather abundant a city space furtherance.

Change in the Spatial Structure of Commercial Areas in Daegu (대구시 상업지역의 구조 변화)

  • Kim, Ta-Yeul;Jin, Won-Hyung
    • Journal of the Korean association of regional geographers
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    • v.14 no.4
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    • pp.367-381
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    • 2008
  • The purpose of this paper is to analyze the change in the distribution and hierarchical structure of commercial land use. Tools for analyzing the spatial structure are index of concentration, coefficient of localization and location quotient. This research is applied to Daegu, focusing on the period 1985-2003. During the 1985-2003 period, the growth rate of commercial land use volume amounted to 330%, compared with a population growth rate of 118%. The biggest component of commercial land use is the retail sector. As the lodging, medical, transportation-warehouse and entertainment sectors have the propensity for concentration and comprise the specialized commercial areas in the suburbs, the other sectors arc evenly distributed. Jung-gu has functioned as a downtown core in the hierarchical structure of commercial areas. So, in the structure of commercial land use, Daegu has continued to be a single nuclear structure. But, Dongdaegu Station influence area has evolved into the second order center since 2000. This is the sign of change in spatial structure from single-nuclear pattern to multi nuclear pattern.

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A Study on spatial structure at the Hwangnam-Inhwang Hanok Conservation Area in Gyeongju (경주시 황남동 및 인왕동 한옥지구의 공간구조 분석)

  • Choi, Moo-Hyun;Choi, Hee-Yun
    • Journal of the Korean Institute of Rural Architecture
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    • v.17 no.3
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    • pp.19-26
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    • 2015
  • Korea's housing polices, which have tended to be focused on quantity rather than quality, have since the 1970s given rise to a housing culture centered on apartment units. Such housing polices have resulted in urban sprawl in the metropolitan areas, and a growing polarization between urban and rural areas. In addition, the issue of "dehumanization" has emerged as a result of the interchangeable urban landscapes and the growing number of high-rise residential buildings. In short, the residential communities of the past, such as towns and villages, have disappeared and been replaced with societies that value individuality and anonymity. The purpose of this paper is to analyze urban structure Gyeongju traditional housing complex. This is to analyze the traditional Hanok residential complex of superiority and characteristics of Gyeongju. This enables future planning should be introduced in Gyeongju hanok.

The Development of Extended Urban Land Information System for Sustainable Urban Management

  • Koh, June-Hwan
    • Korean Journal of Geomatics
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    • v.1 no.1
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    • pp.61-67
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    • 2001
  • This study aims to develop the Extended Urban Land Information System (EULIS) which can support the sustainable urban management. Although the existing Urban Land Use Information system (ULUIS) that aids the micro-level land use information is a good means for the understanding of urban spatial structure and district-level planning and management (such as urban design, redevelopment planning and district-level transportation planning, etc.), it has some limitations in supplying the information for sustainable urban management, such as environmental and traffic analysis, urban infrastructure's carrying capacity analysis, etc. The EULIS is designed to efficiently supply the information for sustainable urban management. For the successful construction of EULIS, the followings have to be considered. 1) the integration of topographic maps which contain the building's footprints and cadastral maps which contain the parcel's boundary, 2) the integration of EULIS and FM (Facility Management) system for the full utilization of information about capacity analysis of infrastructure, 3) the construction of standardized georeferencing system and spatial unit for the combined use of environment and traffic census data. This study shows 1) why EULIS is needed for the sustainable urban management and which elements are needed for the system,2) the E-R data model for the EULIS, 3) the strategies for the construction of EULIS and 4) the conclusion.

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Analysis on the Changes of Urban Structure by New Town Development - Case study of Go-Yang City by GIS - (신도시 개발에 따른 도시구조 변화의 분석 - GIS를 이용한 고양시 구도심지역 변화 분석 -)

  • Lim, Dong-Il
    • The Journal of the Korea Contents Association
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    • v.8 no.10
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    • pp.317-327
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    • 2008
  • Go-Yang city, rural region by the 1980s, had rapidly grown to the big city for only 15 years because of Il-San new town development which was developed during $1990{\sim}1995$. So the population and industrial function were greatly increased too. The change of urban spatial structure was grasped by tracing the distribution of population, household and industries of Go-Yang city during $1990{\sim}2005$. The new urban center had grown to the center of the whole city, while the industries of existing centers were extended to the neighbor areas. The existing centers had been changed into 3 types - (1) changed into a part of new urban center, (2) declined to sub-center with small merchant facilities. (3) continuously grown with the development of whole city. As a result, a new town development had changed the urban structure by creating new functional relationships among the existing and new centers rather the existing centers had declined.