• Title/Summary/Keyword: 도시유형

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An Analysis of Rational Green Area Ratio by Land Use Types for Mitigating Heat-Island Effects (도시열섬완화를 위한 토지 이용 유형별 합리적 녹지율 분석)

  • SONG, Bong-Geun;PARK, Kyung-Hun
    • Journal of the Korean Association of Geographic Information Studies
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    • v.18 no.2
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    • pp.59-74
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    • 2015
  • The purpose of this study is to analyze reasonable green area ratios for mitigating urban heat island considering various land use types. Land uses of 5 types such as single residential, multi residential, commercial area, public facility, and industrial area were considered. Green areas were extracted from the tree attribution of land cover. Effect of urban heat island was analysed by the surface temperature of ASTER thermal infrared radiance scanned daytime and nighttime. Mitigation effect of green area at daytime was higher than nighttime. Surface temperature of green area was low in single residential at daytime. But the difference of surface temperature by each land use type was small. The effect of surface temperature mitigation of green area was lower in industrial area. The results of reasonable green area ratios for mitigating urban heat island indicate that surface temperature was the lowest with green area ratio of 40~50% in single residential, multi residential, and commercial area at daytime. Surface temperature of nighttime was not changed much by green area ratios. Therefore, the results of this study will be suggested in urban development planning to construct effectively green area for mitigating urban heat island.

Measuring Complementarities between Cities in the Korean Southeastern Region : A Network City Approach (영남권 도시들 간의 상보성 측정에 관한 연구: 네트워크 도시 접근)

  • Sohn, Jungyul
    • Journal of the Korean association of regional geographers
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    • v.21 no.1
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    • pp.21-38
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    • 2015
  • This study attempts to estimate the complementarity between 21 cities in the Korean Southeastern Region using data on the network time distance and the volume of flow between the cities. Four types of flows recognized are people, commodities, information and finance. The first two types of flows are thought to be made on the transportation network while the last two are on the communication network. For the purpose of the study, the expected volumes of flows between cities are first estimated using the gravity-based regression and doubly-constrained entropy maximization models. These baseline volumes are then subtracted from the observed volumes of flows (of people and commodities) or the estimated volumes of flows (of information and finance) in order to identify positive differences or complementarities. The result shows that these four types of complementarity flows form distinctive urban networks in terms of spatial pattern and urban hierarchy. This suggests that more customized strategies to different types of complementarity are recommended to properly address the issues related to network infrastructure provision in the pursuit of the network city model in the region.

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Actual Vegetation Types and Characteristics of the Baengma Urban Natural Park in Incheon (인천 백마도시자연공원 현존식생 유형과 특성)

  • Cho Woo;Kim Jong-Yeop;Hong Suk-Hwan
    • Korean Journal of Environment and Ecology
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    • v.19 no.4
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    • pp.358-366
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    • 2005
  • This study was carried out through the analysis of the actual vegetation types and characteristics in Baengma Urban Natural Park, Incheon to accumulate basic data for the forest vegetation management. The actual vegetation was classified into 39 types. Area of Robinia pseudoa-cacia forest was the widest($34.0\%$) in the afforested vegetation types, while Quercus monglica forest occupied the widest area($12.1\%$) in the natural vegetation types. The map of actual vegetation characteristics was drawn on the basis of stratum structure, plant development tendency and environmental condition of the actual vegetation types. We reclassified it into 16 types and proposed the management plan.

An Exploratory Study on the Effect of LCZ Type on Particulate Matter (LCZ 유형이 미세먼지에 미치는 영향에 관한 탐색적 연구)

  • Yeonju Kim;Hansol Mun;Juchul Jung
    • Journal of Environmental Impact Assessment
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    • v.32 no.5
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    • pp.338-352
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    • 2023
  • As of 2019, Korea's fine dust is the most severe among 38 OECD countries, and in the same year, 「the Framework on Disaster and Safety Management」 was revised to define fine dust as a social disaster. Currently, the government is working to achieve its emission reduction goals by preparing a comprehensive fine dust management plan (2022-2023) consisting of a total of five areas, 42 tasks, and 177 detailed tasks. However, it is necessary to come up with measures in consideration of the various spatial characteristics of the city, not just as a source of emission. Therefore, in this study, the shape of the city was classified using the LCZ (Local Climate Zone) classification system into 17 types by building type and land cover type in Busan, and the average annual PM10 and PM2.5 concentration were mapped using the IDW technique. In addition, Fragstats and Moving Window were used to quantify the LCZ classification system. Finally, correlation analysis and regression analysis were conducted to analyze the relationship between the LCZ classification system and PM10 and PM2.5. As a result, it was confirmed that the type of low height of the building and the type of green space with trees had a positive effect on the concentration of PM10 and PM2.5. Therefore, this study is expected to be used as basic data to establish fine dust reduction policies based on efficient spatial planning.

Comparisons of Classification System of Biotope Type in Major Korean Cities (국내 주요 도시의 비오톱유형 분류체계 비교)

  • Choi, Jin-Woo
    • Korean Journal of Environment and Ecology
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    • v.24 no.1
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    • pp.78-86
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    • 2010
  • The classification of biotope type in major Korean cities was made based on the land use concept rather than the ecological concept of the land as the habitat of biological communities. Therefore, biotope type need to be reclassified according to ecological concerns and regional characteristics. This study attempts to clearly define various critical concepts regarding the classification of biotope type, such as classification hierarchy, classification criteria, classification factor, classification indicator, classification key, and classification standard. Furthermore, it also attempts to suggest the ways to improve the classification system of biotope type by sampling the cases of major Korean cities. The classification system of biotope type is required to have a coherent system that provides basic guidelines, standards and hierarchy with regard to biotic, abiotic and anthropotic factors, as well as classification indicators and classification keys.

The Change of Economic Space and the Classification of Urban-Rural Consolidated Cities in Gyeonggi-do (경기도 도농복합시의 경제공간 변화와 유형 분류)

  • Son, Seungho
    • Journal of the Economic Geographical Society of Korea
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    • v.18 no.1
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    • pp.45-59
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    • 2015
  • The urban-rural consolidated city has emerged in order to promote the balanced development of urban region and rural region. Targeted 11 urban-rural consolidated cities in Gyeonggi Province, this paper investigated the changes of economic space in accordance with the location of industrial activities. The number of establishments has increased in all cities. From the analysis of the changes in the economic space divided into urban regions and rural regions, concentration phenomenon of economic activities in urban regions was strengthened in 9 cities with the exception of Icheon-si and Anseong-si. Concentration of economic activities in urban region was noticeable in Namyangju-si, Pocheon-si, and Yongin-si. 5 types were derived from the classification on the basis of locational changes of economic activities in urban region and rural region. They are 1) urban-rural gap deepen type, 2) urban region growth slowdown type, 3) rural region growth type, 4) urban-rural balanced growth type, and 5) urban region-led growth type. While urban-rural gap of the cities close to highly urbanized city or metropolis has intensified, the growth of urban region was weakened in the cities located away from the metropolis.

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An Examination on the Improvement of Urbanity and Neighborship through the Provision of Collective Housing based on Small and Medium-sized Blocks (중·소블록 기반 집합주택 보급을 통한 도시성과 근린성 제고(提高) 방안의 고찰)

  • Lim, Jae Heon
    • The Journal of the Convergence on Culture Technology
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    • v.9 no.4
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    • pp.495-502
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    • 2023
  • If traditional Korean villages or residential districts have formed a community on the ground of coexisting with nature, there is a different historical development process in which many European cities have created residences for multi households on the basis of roads and blocks in fortresses. Along with the modernization of society together with large-scale housing supply, the urban landscape of series of large apartment complexes has become universal views of our urban structure; thus, the viewpoint that small and medium-sized block-based collective housing, which are more common urban structures in European cities can be linked to the improvement of urbanity and neighborship is examined. Through the process, the possibility of expanding collective housing supply based on small and medium-sized blocks as an alternative method other than complex-type apartments based on superblock, I would like to make meaningful in terms of how we can change the fundamental mutual relationship with our lifestyle and the tangible change of collective housing types which has large impact on our lives.

Utilization of Public-Private Partnerships in Urban Regeneration Projects: Focusing on Types and Cases from a Governance Perspective (도시재생사업에서 민관 파트너십의 활용 방안: 거버넌스 관점에서 본 유형 및 사례를 중심으로)

  • Wonseok Park
    • Journal of the Economic Geographical Society of Korea
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    • v.26 no.2
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    • pp.137-154
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    • 2023
  • The purpose of this study is to find ways to utilize public-private partnerships from the perspective of governance in order to effectively promote urban regeneration projects and establish a business structure. The results of the study are summarized as follows. First, from the perspective of governance, the types of public-private partnerships in urban regeneration projects can be classified into central government-led, local government-led, private business-led, and local residents and community organizations-led. Second, it is confirmed through overseas case analysis that developed countries are effectively promoting urban regeneration projects through the formation of various public-private partnerships. Third, as a way to utilize public-private partnerships in Korean urban regeneration projects, it was proposed to diversify the types and size of urban regeneration projects, design a system to utilize various public-private partnerships, use cross-assistance methods, and form social capital necessary for transparent and effective private partnerships.

A Study on the Urban Climate Mapping Method Using GIS (GIS를 이용한 도시기후지도 제작방안 연구)

  • Choi, Byoung-Gil;Cho, Tae-In;Na, Young-Woo;Lee, Kwang-Won
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.29 no.2
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    • pp.183-191
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    • 2011
  • The objective of this study is 10 investigate the method to produce urban climate map so as to cope with climate change and efficiently control greenhouse gas in the city by using GIS. To produce urban climate map by using GIS, statistical data and spatial data of greenhouse gases related to climate change were collected and analyzed and the correlation between the type of urban climatop and urban climate change was analyzed by establishing GIS framework data construction method to prepare urban climate map and preparing and analyzing urban climate map related to the demonstration area. It was found that exact greenhouse gases emission quantity and absorption quantity can be calculated for each type of urban climatop by preparing urban climate map and the temperature is high in residential area, commercial area and industrial area and the emission quantity per unit area is high in the traffic area and industrial area. It seems that the influence of climate change can be presented for urban development by suggesting urban climate change for type of urban climatop and they can be utilized to save energy in urban area and to establish greenhouse gases reducing policy.