• Title/Summary/Keyword: Space of city

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Potential Effects of Land-Use Change on the Local climete (토지이용 변화가 국지기후에 미치는 영향)

  • 이현영
    • Korean Journal of Remote Sensing
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    • v.11 no.3
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    • pp.83-100
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    • 1995
  • The land-use has changed rapidly during the last two decades in accordance with urbanization in the Seoul Metropolitan Region. As a result of these changes, the local climate has undergone changes as well. This study intends to define the land-use changes, and then to show how they have brought in significant changes in the local climates. Land-use changes in the study area so repidly that up-to date maps and documents are not available at present. Therefore, Landsat data for land-use classification and NOAA AVHRR thermal data for the temperature fields were analyzed. Additionary, to visualize the effect of the land-use on the local climate, computer-enhanced brightness temperatures, Green Belt and city boundaries were overlaid on land-use patterns obtained from satellite images using GIS techniques. The results of analysis demonstrate that Green Space in the Seoul Metropolitan Region decreased from 94% to 62% while urban land-use increased ten times, from 4% to 39% for the period of 1972-1992. The resulting disappearance of biomass caused by land-use changes may have implications for the local-and micro-climate. The results show that the local climate of the study area became drier and warmer. This study also suggests a need for further studies of man's effects on local climate to minimize adverse influences and hazardous pollution and efficacious ways for urban planning.

Psychological Effects of Walking in the Urban Forest: Results of Field Tests in Shinjuku-gyoen, Japan (도시림 산책이 심리적 안정에 미치는 영향 - 일본 신주쿠교엔 현장실험 결과 -)

  • Song, Cho Rong;Lee, Ju Young;Park, Bum Jin;Lee, Min Sun;Matsuba, Naoya;Miyazaki, Yoshifumi
    • Journal of Korean Society of Forest Science
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    • v.100 no.3
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    • pp.344-351
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    • 2011
  • The aim of this study is to clarify the psychological effects of walking in the urban forest and to examine how the effects differ in accordance with individual personality. The study subjects comprised 18 male Japanese university students ($21.0{\pm}0.8$ years old). These subjects were instructed to walk predetermined 20-min courses in the urban forest and the city (control). Three questionnaires (POMS, STAI-S, and SCL-90) were administered to assess the subjects' psychological responses. The KG's Daily Life Questionnaire was used to examine the subject's personalities for presence of the Type A behavior pattern. The study found that walking in the urban forest improved the participants' positive mood and decreased their negative mood, anxiety, and other negative mental symptoms. Moreover, Type B subjects showed a bigger change than Type A subjects on the SCL-90's obsessive and compulsive scale. Our results supported the premise that walking in the urban forest has relaxing effects, and that these effects can differ in accordance with the subject's personality characteristics.

Recognition of General arts classes based on movie - Focused on the movie "Untouchables: 1% friendship" (영화 기반 교양교과 수업 활동 탐색 - 영화 「언터처블: 1%의 우정」 중심으로)

  • Kim, Seong-Won;Youn, Jeong-Jin
    • Asia-pacific Journal of Multimedia Services Convergent with Art, Humanities, and Sociology
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    • v.7 no.6
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    • pp.63-72
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    • 2017
  • This study made of centrally actual application in general arts classes based on movie in university. Especially, I analyzed the activities of the class with 'Untouchable: 1% friendship' among 6 films. The objects of this study are 44 students of D university in Busan Metropolitan City who take 'creative fusion from movie' general arts class which opened first semester in 2016. In this study, students were able to watch movies through the creative class, which was out of the traditional classroom method, and after 15 hours of learning the quiz online, they conducted 15 weeks as a teaching method to perform tasks, presentations, experiments, and experiences in regular class time. The results of this study are as follows. 'It is a general arts class that makes movements live,' 'It is a general arts class that shows movies from various perspectives,' and 'It is a general arts class that makes me know.' This suggests that the educational medium, which is easily accessible in everyday life, and the general arts class, which is active in the space outside the framework, are perceived as stimulating curiosity and adding fun to college students.

Analysis on the Factors Affecting the Satisfaction of Underground Shopping Center -From the cases in Busan Metropolitan Region- (지하도 상가 만족도에 영향을 미치는 요인 분석 -부산시 사례를 중심으로-)

  • Han, Seung-Uk;Jang, Jin-Hyeok;Choi, Yeol
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.18 no.11
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    • pp.297-307
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    • 2017
  • There are many underground spaces available in an urban environment and they represent an important factor for efficient land use. Especially, underground shopping centers perform both physical and commercial functions at the same time and are frequently used as a means of achieving the revitalization of the city center. However, the underground shopping centers that were developed in the past sometimes led to recession due to their deterioration. This study was carried out for the purpose of proposing alternative methods for the (revitalization) of underground shopping centers. A survey was conducted on seven underground shopping centers in the Busan metropolitan area to understand the factors that determine their user satisfaction and future improvement. The survey data was analyzed using an ordered logit model. As a result of the analysis, service satisfaction, underground environment satisfaction and public facility satisfaction were selected as significant variables. It was concluded that it is necessary to take these factors into consideration, appropriately, when developing a new or renewing an existing underground shopping mall.

A Study on the Recognition of Mid- to Long-term Comprehensive Development Plan for the Library in Gimpo City (김포시 도서관 중장기 종합발전계획 수립을 위한 인식조사 연구)

  • Noh, Younghee;Chang, Inho;Kang, Ji-Hei;Shin, Youngji;Kwak, Woojung
    • Journal of Korean Library and Information Science Society
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    • v.51 no.1
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    • pp.227-253
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    • 2020
  • The purpose of this study is to establish a mid-to-long-term comprehensive development plan for the Gimpo library, and to lay out the overall system of the library scattered by region in Gimpo, and to present Gimpo library's unique vision and strategy to differentiate it from other regions. As a research, surveys and interviews were conducted for the residents of Gimpo-si (library users and beneficiaries) and library personnel. As a result, first, all libraries in Gimpo-si have a user-centered multicultural space service with differentiated concepts and themes of each library based on the functions and roles of data collection, information services, and various programs as public libraries. Seems to be oriented. Second, with regard to Gimpo library collections, it is necessary to first collect books with high usage rate by library and expand them to the needs of consumers. Third, in order to provide the services of the Gimpo library, it is necessary to develop a service that can raise satisfaction by using the citizens' participation and utilizing them in order to derive the service by analyzing other local library programs or services.

The implementation of sign design simulation software (사인디자인 제작 체험 시뮬레이션 소프트웨어 개발)

  • Paik, Jin-Kyung;Lee, Kyung-Mi;Yeoun, Myeong-Heum
    • Archives of design research
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    • v.19 no.2 s.64
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    • pp.163-172
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    • 2006
  • Sign is one of the important factors in city and national image formation, thus requires high level of quality. However, domestic sign emphasize only the sense of attention that leads to big sized signs, thus often results in a poor coordination with the surrounding space. This situation requires employees in sign business want to learn specialized knowledge about design field. Based on these circumstances, we propose sign design software to employees in sign business field as an aid tool that can help to develop good signs in terms of functionality as well as harmony of design. Thus, in this investigation, sign simulation software application case that can design sign and apply this sign to the actual application site is presented. In order to develop this software, literature survey and preliminary studies were performed to analyze the preparation process and environment, and designed sign design element and software elements, user interrace, and finally Java software were utilized. This developed software can be used as a textbook in sign design related departments in schools, and hopefully to enhance the social recognition of sign as well as academic interest.

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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.

Application of Traffic Conflict Decision Criteria for Signalized Intersections Using an Individual Vehicle Tracking Technique (개별차량 추적기법을 이용한 신호교차로 교통상충 판단기준 정립 및 적용)

  • Kim, Myung-Seob;Oh, Ju-Taek;Kim, Eung-Cheol;Jung, Dong-Woo
    • Journal of Korean Society of Transportation
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    • v.26 no.4
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    • pp.173-184
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    • 2008
  • Development of an accident estimation model based on accident data can be made after accident occurrences. However, the taking of historical accident data is not easy, and there have been differences between real accident data and police-reported accident data. Also, another difficult shortcoming is that historical traffic accident data better consider driver behavior or intersection characteristics. A new method needs to be developed that can predict accident occurrences for traffic safety improvement in black spots. Traffic conflict decision techniques can acquire and analyze data in time and space, requiring less data collection through investigation. However, there are shortcomings: as existing traffic conflict techniques do not operate automatically, the analyst's opinion could easily affect the study results. Also, existing methods do not consider the severity of traffic conflicts. In this study, the authors presented traffic conflict decision criteria which consider conflict severity, including opposing left turn traffic conflict and cross traffic conflict decision criteria. In order to test these criteria, the authors acquired three signalized intersection images (two intersections in Sungnam city and one intersection in Paju) and analyzed the acquired images using image processing techniques based on individual vehicle tracking technology. Within the analyzed images, level 1 conflicts occurred 343 times over three intersections. Some of these traffic conflicts resulted in level 3 conflict situations. Level 3 traffic conflicts occurred 25 times. From the study results, the authors found that traffic conflict decision techniques can be an alternative to evaluate traffic safety in black spots.

Effects of Physical environmental factors on Radiation fluxes in Urban areas (도시지역의 물리적 환경요소가 복사에너지 흐름에 미치는 영향)

  • Song, Bonggeun;Park, Kyunghun
    • Journal of Environmental Impact Assessment
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    • v.23 no.6
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    • pp.477-491
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    • 2014
  • The purpose of this study is to develop urban planning for mitigating thermal comfort by analyzing the relationship between various physical environmental factors and radiation fluxes focused on urban areas of Changwon city, Gyeongsangnam-do. Physical environmental factors were analyzed by sky view factor (SVF), land cover and land use types using GIS program. Radiation fluxes were measured upward and downward in solar and terrestrial radiation by mobile measurement during 3 days (2 daytime and 1 nighttime) in summer season. SVF is high in urban park less around buildings. High dense building sites were low. Downward solar radiation fluxes were the highest about $700W/m^2$ at daytime, and decreased in spatial type arranged dense buildings. Upward solar and terrestrial radiations was affected by land cover types that have thermal features such as reflectivity, emissivity, and heat capacity. Therefore, urban space needs appropriate planning with building arrangement, green walls and land cover replacement for mitigating thermal comfort in urban area.

Analysis of Radio Propagation Environment in Busan Area for DTV Service (디지털 TV서비스를 위한 부산지역 전파환경 분석)

  • Sung Tae-Kyung;Weon Young-Su;Cho Hyung-Rae;Kim Ki-Moon
    • Journal of Navigation and Port Research
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    • v.28 no.10 s.96
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    • pp.869-874
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    • 2004
  • Digital TV broadcasting's resolution or tone quality is very excellent than analog broadcasting and has many advantages including various multimedia functions such as home shopping, home banking, internet search, telecommuting, VOD, etc. In this study, it is essential to analyze the regional electromagnetic environment before Digital TV broadcasting, and therefore we analyzed Busan area's limitation using ETRI propagation model. For maintaining high-quality Digital TV signals, we measure electric field intensity wide and far in Busan including mountains area and high-rise buildings. Generally, it has lower value by a standard ETRI propagation model than simulated value about standard model, but distribution pattern are similar with it. Compared theoretical values with the measured results, they have similar values for flat area but very different values for crowded city area and mountains area So we conclude that ETRI propagation model and theoretical model are not suitable for Busan in a free space.