• Title/Summary/Keyword: Urban Environments

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Aanalysis the Structure of Heat Environment in Daegu Using Landsat-8 (Landsat-8을 활용한 대구시 열 환경구조 분석)

  • Kim, Jun Hyun;Choi, Jin Ho
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.32 no.4_1
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    • pp.327-333
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    • 2014
  • To improve thermal environments in urban area, the structural characteristic analysis of thermal environments of the certain area should be preceded to analyze and supplement its problems. With Landsat-8, we measured the centrality estimation, the distribution map, and the spatial statistical analysis of Daegu Metropolitan City in January and August, which of data applied in analyzing the structure of thermal environments following to its spatial property. The thermal infrared band of satellite images has been used to analyze the standard normal deviated scores, which extract the centrality, while the cluster map, based upon Local Local Moran's I, has composed for understanding the autocorrelation of local spatial within environment space structure. Understanding the distribution features as well as the pivot center of thermal environments with satellite images provides principle database for updating urban thermal environments' policies and plans; because those are reference materials that should have precedence over for diverse thermal environment policies.

A Study on the Improvement of Settlement Environments considering Survey of Residents in Seosan, Chungnam (서산지역 주민의식조사를 통한 도시정주환경 개선에 관한 연구)

  • Park, Tong-So
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.13 no.10
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    • pp.4869-4876
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    • 2012
  • This study was performed to propose a improvement guide for the region of Seosan located at the north-west part of Chungnam province. Thus, this study recognizing that urban revitalization design of Seosan should be established based on inheritance of regional history and traditional culture. This study was processed with following procedures and methods. First, this study drew the recent trends and effective ways as proportion system of urban revitalization design through collecting and analyzing literatures. Second, performed to the survey of the consciousness consider urban environmental settlement of residents in Seosan using a statistical method. Third, carried out case studies as urban revitalization design of central area in Seosan.

The use of Gradient Analysis in Spatial Understanding of Urbanization (단계적 변화 분석(gradient analysis)을 적용한 도시화의 공간적 평가)

  • Lee, Dong-Kun;Choe, Hye-Yeong
    • Journal of Environmental Impact Assessment
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    • v.17 no.6
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    • pp.357-366
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    • 2008
  • It is certain that urbanization has transformed the ecological consequences severely, but urban ecosystem is not fully understood yet. Urban growth is not like a static form and it spreads spatially and temporally. Therefore in studying urban ecosystem, it is important to relate the spatial pattern of urbanization to ecological processes. Using gradient analysis, we attempted to quantify the urbanization's spatial impacts in Daejeon-city and Cheonan-city, Chungcheong-province, Korea. Because of Multifunctional Administrative City Planning (MACP), a lot of development projects are planned in Chungcheong-province, Korea. It's important to study about original cities' patterns and impacts. These results can be adopted to future city planning. So several measures such as fragmentation, vegetation index, surface temperature, population density, and income rate were computed along a 75km long and 3km wide transect. The results showed that Daejeon-city has a wider urban center, lower vegetation indexes, and higher surface temperature than Cheonan-city. Therefore in the perspective of urban environments and sustainable urbanism, it seems that Cheonan-city is better than Daejeon-city. The changes along the transect have important ecological implications, and quantifying the urbanization gradient is an important step in understanding urban ecology.

Land Use Management Issues of the Urban Fringe in the UK

  • Kim, Soo-Bong;Kim, Yong-Bum;Jung, Eung-Ho
    • Journal of Environmental Science International
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    • v.12 no.5
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    • pp.511-519
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    • 2003
  • It is difficult to define the urban fringe using a specific geographical designation in the physical planning system because the existence of the urban fringe is certainly not equal in all directions from the inner urban area to the rural area, and is often a discontinuous spatial phenomenon from the inner fringe to the urban shadow. Nevertheless, the urban fringe raises land use management issues which stem from its own peculiar set of land use characteristics. For example, in the UK, how the public can enjoy access to the countryside in the urban fringe while at the same time recognising and acknowledging the importance of landowners and farmers property rights\ulcorner how can a poor quality environment and degraded landscape be improved aesthetically and physically to meet the multiple recreational needs of a diverse population when local authorities are confronted with limited ability to fund and acquire land for these purposes\ulcorner The challenge of addressing these land use management issues necessitates approaches which build a coalition of interest groups and public and non-government organizations in the management processes in order to improve the physical, economic and social environments and facilitate the management mechanism.

Tall Buildings as Urban Habitats: A Quantitative Approach for Measuring Positive Social Impacts of Tall Buildings' Lower Public Space

  • Zhou, Xihui;Ye, Yu;Wang, Zhendong
    • International Journal of High-Rise Buildings
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    • v.8 no.1
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    • pp.57-69
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    • 2019
  • After decades of high-speed development, designing tall buildings as critical components of urban habitat, rather than simply standing aloof from their environments, has become an important concern in many Asian cities. Nevertheless, the lack of quantitative understanding cannot support efficient architectural design or urban renewal that targets better place-making. This study attempts to fill the gap by providing a typological approach for measuring the social impact of tall buildings' ground conditions: that is, public space, podiums, and interfaces. The central business districts (CBD) of three Asian cities, Shanghai, Hong Kong, and Singapore, were selected as cases. Typical patterns and categories of lower-level public spaces among the three CBDs were abstracted via typological analyses and field study. The following evaluation is achieved through the analytic hierarchy process (AHP). This quantified approach helps to provide a visualization of high or low positive social impacts of tall buildings' lower-level public spaces among the three cases. This study also helps to suggest a design code for tall buildings aimed at a more human-oriented urban habitat.

A Basic Study on the Sustainable Design Elements in China's Houtan Park

  • Jiang, Sijing;Kim, Soobong
    • Journal of recreation and landscape
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    • v.12 no.4
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    • pp.17-24
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    • 2018
  • With industrialization, environmental problems have become severe worldwide as resources are exhausted for mass production purposes and pollutants are produced in excess of nature's capacity to absorb them. Since modernity, urban parks have emerged as an important element for addressing challenges facing urban environments, which include environmental degradation. In 1987, the Brundtland Commission's report presented a sustainable developmental perspective in solving environmental problems and provided ideas for sustainable design and sustainable urban park landscape design. The purpose of this study is to analyze sustainable design applied to Houtan Park in central Shanghai, China from the perspective of social culture preservation, ecological restoration, and economic effect, and to provide the basic data for urban park design in similar areas in the future. This study consists of a literature survey and a field investigation. The field investigation lead to analysis from three perspectives: social culture preservation, ecological restoration, and economic effect. The literature survey examined sustainable urban parks and Houtan Park based on relevant papers, newspaper articles, and reports. Through actual visits (Aug. 28 - Sep. 1, 2018), it also examined the elements of sustainable design that were applied to the architecture. The three sustainable design elements derived from this study, being a sustainable design for the future, will be used as an important basis for developing urban parks for the regeneration of brownfields in many areas in China.

A Review on Urban Resilience Assessment Methods

  • Barjau, Jaime;Wong, Francis K.W.;Fang, Dongping
    • International conference on construction engineering and project management
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    • 2015.10a
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    • pp.685-686
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    • 2015
  • The world is currently undergoing an intense urbanization process. The percentage of urban dwellers has never been so high. In 2010, and for the first time, urban population surpassed the rural one, accounting for 51% of global population, and this trend will continue in the forthcoming years. This increment in concentration of population and supporting assets in cities, make their performance a critical issue for world population. Recent events such as Fukushima tsunami and the hurricane Katrina have shown how fragile built environments are and the unpredictability of occurrence and magnitude of the hazards. Such an expansion of the world's urban population, together with an increase in severity and number of hazards and catastrophes, has put under the spotlight the necessity to build cities not only sustainable, but resilient. Decision makers should acknowledge failure as an option, and the importance of developing city resilience. This paper will provide an initial review on urban resilience, definitions and assessment approaches as a first step for decision makers to account for resilience in their decision making process.

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Application of Urban Computing to Explore Living Environment Characteristics in Seoul : Integration of S-Dot Sensor and Urban Data

  • Daehwan Kim;Woomin Nam;Keon Chul Park
    • Journal of Internet Computing and Services
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    • v.24 no.4
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    • pp.65-76
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    • 2023
  • This paper identifies the aspects of living environment elements (PM2.5, PM10, Noise) throughout Seoul and the urban characteristics that affect them by utilizing the big data of the S-Dot sensors in Seoul, which has recently become a hot topic. In other words, it proposes a big data based urban computing research methodology and research direction to confirm the relationship between urban characteristics and living environments that directly affect citizens. The temporal range is from 2020 to 2021, which is the available range of time series data for S-Dot sensors, and the spatial range is throughout Seoul by 500mX500m GRID. First of all, as part of analyzing specific living environment patterns, simple trends through EDA are identified, and cluster analysis is conducted based on the trends. After that, in order to derive specific urban planning factors of each cluster, basic statistical analysis such as ANOVA, OLS and MNL analysis were conducted to confirm more specific characteristics. As a result of this study, cluster patterns of environment elements(PM2.5, PM10, Noise) and urban factors that affect them are identified, and there are areas with relatively high or low long-term living environment values compared to other regions. The results of this study are believed to be a reference for urban planning management measures for vulnerable areas of living environment, and it is expected to be an exploratory study that can provide directions to urban computing field, especially related to environmental data in the future.

Study on the Correlation between a Urban Character and the Space Type of Theater Architecture -Focus on the Uropean theater style shown on the stage and the auditorium- (극장건축의 공간유형과 도시성격의 상관성 연구-무대와 객석에 나타난 유럽극장형식의 변형을 중심으로-)

  • 임종엽
    • Korean Institute of Interior Design Journal
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    • no.16
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    • pp.98-105
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    • 1998
  • Today the worship of entertainment i.e television has created a situation of diminshing monumental environments with increasing leisure time. Let us examine retrospectively the characteristics of the Urban theater Architecture. Two aspects would stand out as Theater Architecture gets closer to the urban tradition or trends to make a part of a city come to life. One aspect is an introvert purity. The other is an extrovert organic structure on the edge of connecting urban scenary with anything hoping to find the renewable element which could be revived eternally in architecture.

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