• Title/Summary/Keyword: Compact City

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The Impact of Compact City Indicators and Commuting Network on Commuting time: Focused on Suburban Cities in the Seoul Metropolitan Area (압축지표와 통근 네트워크가 통근시간에 미치는 영향에 관한 연구 - 수도권 경기·인천 지역을 대상으로 -)

  • Shin, Hakcheol;Woo, Myungje
    • Journal of the Korean Regional Science Association
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    • v.37 no.2
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    • pp.49-61
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    • 2021
  • Long-distance commuting is a problem as people living in Gyeonggi-Incheon contitue to commute to Seoul in the Seoul metropolitan area. To solve this problem, policies in the region are aiming for a self-sufficient zone formation plan and a compact city. However, urban problems caused by such long-distance commuting continue. This appears to be due to excessive density and Seoul-dependent networks. However, existing studies have focused on individual cities despite the importance of inter-city interactions, and had limitations in not considering the characteristics of the Seoul-dependent networks. Therefore, the purpose of this study is to empirically analyze the effect of the compactness on commuter travels by comprehensively considering the interactions between cities within the region using multiple regression. As a result of the analysis, it was found that that commuting efficiency increases when a network of more than a certain size is formed, and the results imply that policies should focus on fostering network centers in Incheon and Gyeonggi regions, which are outside the metropolitan area, and consider to expand the transportation networks at the regional level.

Effects of Urban Compactness and Residential Density on Trip Generation: Focusing on Work Trips in Seoul, Korea (도시 압축도와 주거밀도가 통행발생에 미치는 영향에 관한 연구: 서울시 출근 통행을 중심으로)

  • Mahriyar, Muhammad. Zia;RHO, Jeonghyun
    • Journal of Korean Society of Transportation
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    • v.35 no.1
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    • pp.1-10
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    • 2017
  • The compact city usually provides good accessibility of residents with multiple transportation modes. However, in a compact city, annual average of travel distance per household by car is relatively short due to more congested traffic condition and larger travel cost than disperse city. As a result, total travel demand is decreasing when the region becomes more compact. Therefore compact development is regarded as one of the sustainable choices for future urban planning in many countries. This study aims at an empirical analysis of the relationship between urban compactness and travel demand based upon land-use and travel data for city of Seoul. In this study, 424 sub-districts with the mixed land-use patterns are assessed in a hexagonal diagram. The measurement is based on the relative deviation of each sector's characteristics including numbers of residence, manufacture, and trade & service. Multiple linear regression models are developed to analyze the effects of urban compactness on zonal trip generations. As a result, the trip generation rate in the residence-intensive and mixed-use areas is found to be relatively low. Furthermore, residents in high-compact areas tend to use public transport more often than residents in less compact areas.

A Study on The Characteristics of Goods Planning and Architectural Planning of Urban Style Compact Apartment in Japan - Focus on Analysis of Apartments Sold in Tokyo City - (일본 도시형 컴팩트 아파트의 상품기획 및 계획상 특정에 관한 연구 - 도쿄도내 분양실례의 분석을 중심으로 -)

  • Yoon, Dong-Sik
    • Korean Institute of Interior Design Journal
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    • v.19 no.5
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    • pp.130-139
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    • 2010
  • The urban style compact apartment which appeared at the end of 1990's was developed by the decrement of household members and in compliance with a new life style. Now it has its own market as a new trend. The purpose of this study is to better understand the characteristics of urban style compact apartments based on an analysis of apartments actually sold on 2008, in order to reflect on the future directions and developments. To support a comprehensive analysis, this study considered three types of compact apartments developed by : a. major developers which own multiple well-recognized brand names, b. mid-size developers under general brand names, c. new or small-size developers specializing in compact apartments. The results from 21 urban style compact apartments could be summarized as follow; 1. Most buyers are Singles or DINKs. The single women occupy a large percentage. 2. Condition of good location is under 5 minutes walk to station and accessibility to 2 and more station. 3. Exterior of building should be harmonious to surrounding and simple, the atmosphere of entrance hall should be warm and relaxed. 4. The spatial character of unit plans are developed by the ways of connecting spaces; 1) Connecting spaces by mobile partition: flexible spaces with expansion 2) Connecting spaces by hall: well arranged spaces with excursion and extends 5. The equipments of kitchen and security are fully carefully planned.

The effects of compact city development on public transportation commuting -The cases of 54 medium and small-sized cities in korea (압축도시 개발이 대중교통을 이용한 통근 통행에 미치는 영향 -한국의 54개 중소도시를 대상으로-)

  • Lee, Kyung-Hwan
    • Journal of the Korean Society of Hazard Mitigation
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    • v.10 no.2
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    • pp.55-60
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    • 2010
  • The purpose of this study is to analyze compact city planning indicators that have influence on public transportation commuting of residents in the 54 medium and small-sized cities. In the study, land use and transportation infrastructure of cities and other socio-demographic variables are used as explanatory variables in a causal model. 96,552 subjects from 54 cities in korea are selected as the final sample, and a statistical analysis is carried out by applying Random Intercept Logit Model. Analysis shows that a high level of density and jobs-housing balance in the city results in more public transportation commuting. And higher access to bus and subway station influence commuting, so subway & bus stop are important factors to increase public transportation commuting

The Spatial Issues of Tsunami Recovery: Case from the Great East Japan Earthquake (동일본대지진과 재해부흥의 공간적 쟁점 -미야기 현(宮城県) 세 도시를 중심으로-)

  • Cho, Ara
    • Journal of the Korean Geographical Society
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    • v.47 no.5
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    • pp.700-717
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    • 2012
  • This study aims to discuss the spatial issues of disaster recovery from the Great East Japan Earthquake. Focused on tsunami-damaged regions, this study examines how major regional development issues have been dealt with. In the case study areas, the following ideal spatial methodologies have been suggested for tsunami recovery: building a compact city, intensifying fishing villages, and making a sustainable city. However, as the spatial restructuring have encountered practical barriers, reconstruction has been delayed, and the regional decline have been accelerating. To prevent regional decline which is inevitable after a disaster, this paper suggests that the area of disaster studies should be expanded to long-term recovery process beyond emergency response.

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A Study on Residents' Perceptions toward the direction of strengthening the base function from the perspective of Compact City in Rural Downtowns - Focused on Rural Market Towns in Hwasun-gun, Jeollanam-do, Korea - (집약화 관점의 농촌중심지 거점기능 강화 방향에 관한 주민인식 연구 - 전라남도 화순군 면소재지를 중심으로 -)

  • Park, Sung-Jin
    • Journal of the Korean Institute of Rural Architecture
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    • v.20 no.1
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    • pp.93-101
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    • 2018
  • The area to be surveyed is the three-seat of Myeon office in Hwasun-gun, Jeollanam-do, where population is declining. Satisfaction with the use of local residents of rural central areas providing life services in the back area was identified, focusing on sustainable development and the compact cities. Based on the results of the study, the recommendations are as follows. First, the local spaces to be surveyed need a shift to a walk-centered choice and social structure, not a must-oriented, activity-centric structure. This not only improves the neighborhood of rural areas, but also increases the frequency of pedestrian exchange and helps keep the community afloat. Second, it could enhance the convenience of residents by reviving stocks in existing commercial areas and integrating public services. Finally, it has the effect of taking care of the socially disadvantaged and immigrants in terms of space welfare, and securing jobs through locally customized community businesses.

NORMS FOR COMPACT OPERATORS ON HILBERTIAN OPERATOR SPACES

  • Shin, Dong-Yun
    • Bulletin of the Korean Mathematical Society
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    • v.35 no.2
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    • pp.311-317
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    • 1998
  • For Hilbert spaces H, K, a compact operator T: H $\rightarrow$ K, and column, row, operator Hilbert spaces $H_c,\;K_c,\;H_r,\;K_r,\;H_o, K_o$,we show that ${\parallel}T_{co}{\parallel}_{cb}={\parallel}T_{ro}{\parallel}_{cb}={\parallel}T_{oc}{\parallel}_{cb}={\parallel}T_{or}{\parallel}_{cb}={\parallel}T{\parallel}_4$.

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