• Title/Summary/Keyword: Sprawling development

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A Study of Standardization for Establishing Integrated Infrastructure of Underground Space Information and its Availability (지하공간정보 통합 인프라 구축을 위한 표준화방안 및 활용성에 관한 연구)

  • Seok, Cheol Ho;Kang, Yu Ra;Jang, Yong Gu;Kang, In Joon
    • Journal of Korean Society for Geospatial Information Science
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    • v.20 no.4
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    • pp.105-115
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    • 2012
  • Today, the domestic construction area has changed from the ground development area to the underground space development area. In addition, the problems of sprawling development and environmental pollution in the process of developing underground space have become significant. In the circumstances, it is expected that the use of underground space information, which helps to understand underground space, will be on the sharp rise. However, the underground information in Korea is separately established and managed by each institution, and it is difficult to use the information in an integrated way. Therefore, at the time when the information on underground space is integrated, it is required to perform the integrated DB standardization in order to establish the integrated infrastructure of underground space information. In this work, this researcher studied a plan of using the standardization of the integrated infrastructure of underground space information. As a result, this work suggested standardization of each geologic stratum, standardization of unit systems, and standardization of the connection of underground space information regarding the standardization contents of underground space information integration. To examine its availability, this researcher conducted a questionnaire survey with experts of each institution. As a result, the suggested plan was found to be have high availability.

Impacts of Land Use and Urban Design Characteristics on Transit Ridership in the Seoul Rail Station Areas (서울시 역세권에서의 토지이용 및 도시설계특성이 대중교통이용증대에 미치는 영향 분석)

  • Sung, Hyung-Gon;Kim, Dong-Jun;Park, Jee-Hyung
    • Journal of Korean Society of Transportation
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    • v.26 no.4
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    • pp.135-147
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    • 2008
  • One of the efforts both to prevent urban sprawling development patterns and to promote use of public transportation is known as Transit-Oriented Development (TOD), including such planning elements as the density and diversity of land use and pedestrian-friendly urban design around a transit center. The aim of this study is thus to conduct impact analyses of TOD planning elements on transit ridership in the Seoul rail station areas. First, the authors investigate and draw out various actual elements of TOD planning by using GIS-based data and Smart Card data. Then the authors analyze impacts of TOD planning elements on transit ridership for the Seoul rail station areas. After condensing 34 variables presumably influencing transit ridership into seven factors by using factor analyses, the study utilizes multiple regression modeling methods to identify their impacts on transit ridership. The analysis results demonstrate that transit ridership tends to increase more in rail station areas where there is a non-residential high density, mixed use of land and narrow and small-size road network patterns. The implementation of TODs should be a useful method in inducing a Transit-Oriented City through redevelopment and new development.

A Relation of Urbanization Entropy and Urban Heat Phenomenon (도시화 엔트로피와 도시 열현상과의 관계성)

  • Sangjun Kang
    • Journal of the Korean Regional Science Association
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    • v.39 no.3
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    • pp.3-12
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    • 2023
  • The issue to be discussed is set as the relationship between urban fragmentation and urban heat phenomena. The fragmentation is recognized as a negative form that commonly occurs in the process of urbanization. The purpose of this study is to examine the relationship between urbanization entropy and heat phenomenon by looking at the five major cities in Korea. The employed methods are InVEST Urban Cooling Model and MSPA (Morphological Spatial Pattern Analysis) by using the meteological data for the July 2018. The major results are as follows; First, a low rank correlation(rho=-0.3) is found in the relation between entropy and Cooling Capacity Index (CCi). Second, a very high level of rank correlation is observed between entropy and Average Temperature(℃)(rho=0.9). The implications are that 1) a city with a large degree of sprawling development can have a negative effect on urban heat phenomena; 2) the composition of land use including dispersion and concentration in non-urbanized areas, which has the characteristics of open space, can affect the urban thermal environment. Due to the limited number of case studies, it is appropriate to understand that a possibility, not generalization, is observed between entropy and heat phenomena in urbanized areas.