• Title/Summary/Keyword: Complex urban area

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A Study on Strategy for College Campus Expansion in Seoul Metropolitan Area - Focused on Typological Characteristics of Expansion Strategies - (국내 수도권 대학캠퍼스 확장을 위한 전략 연구 - 확장전략의 유형적 특징을 중심으로 -)

  • Park, Hoon
    • Journal of the Korean Institute of Educational Facilities
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    • v.22 no.1
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    • pp.25-36
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    • 2015
  • Historically, college campuses have played a role of a city, and the development pattern of various forms and functions of cities was found in the growth stages of campuses as well. In this way, campuses developed in close relationships with our lives and such a characteristic can be confirmed in a number of cases in and out of the country. The strategic concept of such expansion is shown in the strategic classification through a master plan. This research examines concepts of major universities in the metropolitan area of Korea for promoting campus expansion and proposes implications through them. The results drawn from the research are as follows. Firstly, various developmental directions should be sought in aspects of planning, programming and economics for campus expansion with the complex application of such factors. Secondly, the multi-campus strategy of past localization era is changing into the concept of forming a global campus materializing itself as the planning strategy of internal campus. Thirdly, the physical barrier is being dissolved as a way to promote the relationship with local communities, and particularly, the management strategy of constructing new buildings in connection with local communities is the leading measure of materialization. Lastly, the development of underground space is actively carried out due to the limitation of ground physical space through which a role of establishing new campus order along with securing space is pursued.

Application of the Flowerbed Type Infiltration System for Low Impact Development - Focus on the Application to Eco-Village - (저부하형 개발을 위한 화단형 빗물침투시설 적용방안 - 생태전원마을에서의 적용을 중심으로 -)

  • Han, Young-Hae;Lee, Tae-Goo;Schuetze, T.
    • KIEAE Journal
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    • v.12 no.3
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    • pp.33-40
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    • 2012
  • Since 2000 country region developmental policy has been to integrate not only the improvement of physical living environment but also various subjects on ecology, environment, scenery, local culture, and green tourism. This study has recently established a decentralized Rainwater Management plan in order to provide an hydrology cycle system to the eco-village being planned by Seocheon-gun as a part of the garden village development business promoted by the ministry of agriculture and forestry. Hydraulic conductivity of the subject area is measured at $10^{-7}{\sim}10^{-10}m/sec$, and a flowerbed-type rainwater Infiltration system capable of controlling a non-point pollution source that stems from the development-caused impermeable surface has been applied. In the case of rainwater flowing out from the main entrance way and parking lot within the complex being treated in the flowerbed-type rainwater infiltration system, natural purification effects via soil and plants as well as natural water cycling effects through evaportranspiration and infiltration are expected. The significance of this study, compared to conventional decentralized rainwater management being applied limited to the urban areas, is that it offers appropriate rainwater management planning based on the analysis of the current situation of the subject area. Decentralized Rainwater Management is a valuable measure both economically and ecologically that reduces the burdens on local underground water cultivation as well as rain water pipe lines or purification systems, and sewage pipes.

Establishment and Application of Computer-Assisted Environmental Information System for Land Use Zoning and Environmental Analysis of Natural Park (자연공원의 환경분석 및 용도지역설정을 위한 전산환경정보체계의 수립과 적용)

  • Lee, Myung-Woo
    • Journal of Environmental Impact Assessment
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    • v.2 no.1
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    • pp.39-55
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    • 1993
  • The importance of urban and regional natural park increases because of the needs for preserving the natural resources and providing with natural recreation space in nature. This planning of natural park management should be established based on the research of the various natural resources in the park. But for the lack of effective data synthesizing methods and concepts, only some restricted factors for zoning plan are considered even though GIS computer system for large complex simulation is used. Therefore, in this study three ecological zoning models such as Basic Factor Model (BFM), Visual Landscape Model (VLM) and Comprehensive Ecological Model (CEM) are proposed and applied to Byounsan Peninsula Nature Park(BPNP) for comparison with the current natural park zoning. The BFM has three components -elevation, slope and vegetation. The VLM has applied with six components -elevation, slope, vegetation, road type, and the visual distance. Finally the CEM's modelling factors have included all of BFM, VLM components are added with the land use type, nature and historic resource factors. The zoning concept of BPNP was based on "Minimization" focused on the specific factors. But introduced modelling concept is "Optimization" based on the total ecological environment. So the result of the modelling has larger area for preservation and development zoning compared with the current zoning whose characteristics are ambiguous which allows the environmental destruction. The future study issues will be the determination of the weighting factor, component reconsideration based on the ground truth data and the agriculture residential area zoning.

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Effect of Nutrition Education Program on Nutrition Behavior of Housewives in a Low-Income Urbon Area (도시 저소득층 주부의 영양태도, 영양지식도 및 식생활을 통해서 본 영양 교육의 효과)

  • 강명희
    • Journal of Nutrition and Health
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    • v.25 no.2
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    • pp.162-178
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    • 1992
  • This study evaluated the effectiveness of affected-based program in changing the nutrition attitudes and behavior of a group of low-income housewives in a urban area near industrial complex. using pre- post- and one month retention test measures of nutrition attitudes knowledge and nutrition behavior. The sample consisted of treatment group(n=58) and control group(n=68, 66 or 61) The treatment group participated in a four-week nutrition course of eight hours offered by faculty members of department of Food and Nutition in Han Nam University. At the conclusion of the program the respondents had improved nutrition attitudes increa-sed nutrition knowledge and improved dietary diversity and dietary quality scores. Nutrition attitude scores rose significnatly from the pretest to post-test for the treatment group only However this improvement was not maintained one month after education. Nutrition know-ledge score of the treatment group increased significnatly from the pretest to posttest and pretest to retention test. Nutrition behavior was measured by food practice dietary diversity and dietary quality scores, The mean food practice score dietary diversity and dietary quality scores were signifi-cantly increased from pretest to posttest for the treatment group. Only dietary diversity scores was maintained from posttest for the retention test for the treatment group. There was a good correlation between nutrition knowlege and attitude scores at the pretest. However no significant corrlation was found between nutrition knowledge and attitude scores at the posttest. At the pretest nutrition knowledge or attitude and behavior were not correlated bu there were significant correations between nutrition knowledge or attitude and behavior at the posttest. It was concluded that a four-week nutrition education program of eight hours duration for the target people can lead to ac hange in dietary behaviors as well as nutrition knowledge and attitude.

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Persistent Scatterer Selection and Network Analysis for X-band PSInSAR (X-band PSInSAR를 위한 고정산란체 추출 및 네트워크 분석 기법)

  • Kim, Sang-Wan;Cho, Min-Ji
    • Korean Journal of Remote Sensing
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    • v.27 no.5
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    • pp.521-534
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    • 2011
  • The high-resolution X-band SAR systems such as COSMO-SkyMED and TerraSAR-X have been launched recently. In addition KOMPSAT-5 will be launched in the early of 2012. In this study we developed the new method for persistent scatterer candidate (PSC) selection and network construction, which is more suitable for PSInSAR analysis using multi-temporal X-band SAR data. PSC selection consists in two main steps: first, selection of initial PSCs based on amplitude dispersion index, mean amplitude, mean coherence. second, selection of final PSCs based on temporal coherence directly estimated from network analysis of initial PSCs. To increase the stability of network the Multi- TIN and complex network for non-urban area were addressed as well. The proposed algorithm was applied to twenty-one TerraSAR-X SAR of New Orleans. As a result many PSs were successfully extracted even in non-urban area. This research can be used as the practical application of KOMPSAT-5 for surface displacement monitoring using X-band PSInSAR.

World-Systems Analysis on the Changing Characteristics of the Kumi Region (구미(龜尾)의 지역성 변화에 대한 세계체제론적 접근)

  • Lee, Jae-Ha;Lee, Hae-Joo
    • Journal of the Korean association of regional geographers
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    • v.5 no.1
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    • pp.77-90
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    • 1999
  • This paper aims to understand the changing characteristics of the Kumi region as a locality in Korea through the regional geography of the world-system approach. To illustrate the changing regional characteristics, we analyzed the economic characteristics or position of the Kumi region within the world-economy and its spatial structure with three divisions of Korean capitalist periods: the Japanese colonial period ($1910{\sim}1945$), the social chaos period ($1945{\sim}1960$), and the economic development period ($1960{\sim}$present). In the Japanese colonial and social chaos periods, as Korean society was incorporated into the peripheral zone within the world-System (world-economy), Kumi also was made into a peripheral agricultural area. As a result, the Kumi region shaped the rural spatial structure without an urban center or regional dominant center. In the development period, influenced by the manufacturing-centered economic policy which boosted Korea as a semi-periphery within world-economy, Kumi also was developed into an industrial region(or semi-periphery) with the establishment of the Kumi electronic and textile industrial complex. This industrialization transformed the rural spatial structure of Kumi into a core (urban center)-periphery (rural area) structure. As we identified above, the regional geography of the world-system approach turned out to be a useful methodology to study a locality or internal region. Therefore we should make efforts to study such regions through the regional geography of the world-system approach.

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Study on the control technique for the heat transportation system using metal hydride (수소저장합금을 이용한 열수송시스템 제어기술 연구)

  • Sim, K.S.;Kim, J.W.;Kim, J.D.;Myung, K.S.
    • Transactions of the Korean hydrogen and new energy society
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    • v.11 no.1
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    • pp.43-49
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    • 2000
  • The heat transportation from a complex of industry to a rural area needs more efficient method because the distance between them is usually more than 10km. Conventional heat transportation using steam or hot water via pipe line has limits in transportation distance (about 3~5 km) because of the heat loss and frictional loss in the pipe line. Metal hydride can absorb or discharge hydrogen through exothermic or endothermic reaction. After releasing hydrogen from metal hydride by means of the waste heat from industry, we can transport this hydrogen to urban area via pipe line. In urban areas, other metal alloy reacts with this hydrogen to form metal hydride and produces heat for heating. Cool heat is also obtained if it is possible to use metal hydride with low reaction temperature. Therefore, metal hydride can be used as a media for transportation and storage of heat. $MmNi_{4.5}Al_{0.5}Zr_{0.003}$, $LaNi_5$, $Zr_{0.9}Ti_{0.1}Cr_{0.6}Fe_{1.4}$, $MmNi_{4.7}Al_{0.1}Fe_{0.1}V_{0.1}$ alloys were selected for this purpose and the properties of those metal hydrides were discussed. The design and control techniques were proposed and discussed for this heat transportation system using metal hydride.

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Dispersal of Hazardous Substance in a City Environment Based on Weather Conditions and Its Risk Assessment at the Pedestrian Level (기상조건에 따른 도시내 위험물질 확산정보와 보행자환경 위험영향평가)

  • Kim, Eun-Ryoung;Lee, Gwang-Jin;Yi, Chaeyeon
    • Journal of Environmental Impact Assessment
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    • v.26 no.4
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    • pp.242-256
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    • 2017
  • In this paper, dispersion scenarios concerning various meteorological conditions and real urban structures were made to estimate the impacts of hazardous substance leakage accidents and to reduce damages. Based on the scenario of the hazardous substance dispersion, the characteristics of the risk in the pedestrian environment were analyzed in Gangnam, Seoul. The scenarios are composed of 48 cases according to the meteorological conditions of wind direction and wind speed. In order to analyze the dispersion characteristics of the hazardous substances, simulations were conducted using a computational fluid dynamic (CFD) model with hydrogen fluoride releases. The validation for the simulated wind was conducted at a specific period, and all the calculated verification indices were within the valid range. As a result of simulated dispersion field at pedestrian level, it was found that the dispersion pattern was influenced by the flow, which was affected by the artificial obstacles. Also, in the case of the weakest wind speed of the inflow, the dispersion of the hazardous substance appeared in the direction of the windward side at the pedestrian level due to the reverse flow occurred at lower layers. Through this study, it can be seen that the artificial structures forming the city have a major impact on the flow formed in urban areas. The proposed approach can be used to simulate the dispersion of the hazardous substances and to assess the risk to pedestrians in the industrial complexes dealing with actual hazardous substances in the future.

Development and Lab-scale Plant Study of Coagulation Sedimentation Module using Cyclone (선회류를 이용한 응집침전모듈의 개발 및 실증 연구)

  • Moon, Jinyoung;Cho, Young-Gun;Song, Seung-Jun;Kim, Jin-Han
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.15 no.5
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    • pp.3336-3344
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    • 2014
  • The purpose of this study is small scale coagulation module is developed and demonstrated through a lab-scale test. Recent as a sewage treatment rate increases, have heightened the interest in the necessity on the nonpoint source and developing a small processing unit has been increased. Coagulation sedimentation module in this study is additional growth of floc through swirling in the outside zone, reduction of microstructure floc number and the internal settling zone through vertical/level flow complex sedimentation method after the coagulation process precipitation method as an effective high separation efficiency can be divided was also assessed. Coagulation sedimentation module can increase the load factor was 4.4 times compared to conventional clarifier base on the same volume and surface area through vertical/level flow. In this study, this process was selected formation and maintenance of swirling and uniform flow distribution in the internal settling zone as an important design factor, to derive its FLUENT was used to characteristics of the flow model. Through the simulation of swirling, influent velocity, dimensions of external basin, hopper depth of bottom cone was determined and through analysis of velocity distribution, flow distribution detailed specifications are derived like as diameter and number of effluent hole. Lab-scale($120{\ell}/hr$) test results, influent of 300~800 NTU to less than 10 NTU without polymer feeding was able to operate in the 20minutes retention time(surface loading rate $37.3m^3/m^2$-day), and through analysis FLUENT the possibility of using design parameters were derived.

Study on the Changes in Riverfront Landscape of Taehwa River, Ulsan City (울산시 태화강 수변 경관 변천에 관한 연구)

  • Jeung, Min-Ki;Han, Sam-Geon
    • Journal of the Architectural Institute of Korea Planning & Design
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    • v.34 no.8
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    • pp.117-128
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    • 2018
  • The central of Ulsan was formed and has been developed in alluvial plains the Riverfront of Taehwa River and Dongcheon River Fortresses including Gyebyeonseong of the late Silla, Chisoseong of the Goryeo, Ulsan Gyeonsangjwabyeongyeongseong, Ulsaneupseong, Ulsanwaeseong and Yeompoyeongseong as well as Gugangseowon and Old Ulsanhyanggyo and other facilities well display such fact. In the southern areas of Taehwa River, Byeokpajeong of Samsan, Buddhist temples and pavilion architectures used to be located. In its upstream areas, Eonyangeupseong, Eonyanghyanggo, Banguseowon and Daegokcheon Petroglyph exist as well. As such, the Riverfront of Taehwa River are a central space where the civilization of Ulsan has grown and developed, and are regarded as a core scenic asset of Ulsan. However, the look and nature of Taehwa River changed significantly due to Ulsan irrigation project and the construction of modern bridges such as Ulsangyo and Ulsan railway bridge during the period of Japanese occupation. The old look of the area started to be ruined by water contaminations and developments of waterfront lands that resulted from the development of Ulsan Industrial Center in 1962. The water quality of Taehwa River has been improved as a result of allotting a huge budget and administrative powers before and after 1997, the year when Ulsan was elevated to a metropolitan city. However, the surrounding views around Taehwa River changed greatly due to various urban development projects including apartment complex constructions. This is because the development of the Riverfront started from a land utilization project, in which the construction of apartment complexes was included in the initial phase; as a result, the areas were changed to be private scenic assets for those apartments. Aware of such issue, this study aims to identify major scenic elements that were present in the period before such developments in the river's surrounding areas from literature and geography materials; and to reveal how various urban development projects that have been performed from the period of Japanese occupation have changed the scenic elements of Riverfront of Taehwa River. The purpose of this study is to identify qualitative and quantitative changes in scenic elements of the Riverfront of Taehwa River as well as the characteristics of the resulting changes in the surrounding scenery.