• Title/Summary/Keyword: URBAN ENVIRONMENT

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Review of Environmental Assessment for Climate Factors in Urban Planning (도시계획에서의 기후요소 평가기법에 관한 고찰)

  • Eum, Jeong-Hee
    • Journal of Environmental Policy
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    • v.11 no.1
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    • pp.27-48
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    • 2012
  • The aim of this paper is to review the environmental assessment of urban climatic factors relating to urban planning in Korea and Germany, and suggest efficient ways to consider climatic factors in the environmental assessment process for urban planning in Korea. For these purposes, current assessment systems concerning urban master plan and urban management plan in Korea were reviewed to know how urban climatic factors are assessed. Furthermore, two German cases of Strategic Environmental Assessment were investigated to know how urban climatic factors are assessed and considered in the urban and regional planning of Germany. Based on the results, efficient ways to consider climatic factors in the environmental assessment for urban planning were suggested from three aspects of factors, methods and available data for climate assessment.

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A Study on the Necessity of Vertical Garden in Public Places for Urban Environment Improvement (도시환경 개선을 위한 공공장소의 수직정원 필요성에 관한 연구)

  • Kim, Chul-soo
    • Journal of the Korea Convergence Society
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    • v.12 no.6
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    • pp.75-81
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    • 2021
  • (Research background and purpose) Urban development has also had a significant impact on the eco-friendly industry. In the public environment, citizens are stressed in many areas, which has really made them need a natural ecological environment. Therefore, it is necessary to improve the environment into an eco-friendly urban public facility that breathes the urban environment space inside the building with plants. To this end, we want to show that the urban environment can be improved through vertical gardens. And through this, we want to contribute to the popularization of vertical gardens. (Research Methodology) we will analyze the problems of the current public environment in the city and look at the supplementation around vertical gardens. (Result) A study of the public environment in the city found problems such as gloomy environment, poor use of space, dim color, and poor air quality, and wanted to create a vertical garden to provide a pleasant shelter. These vertical gardens have influenced urban public places with improved aesthetics, increased social value, insulation and soundproofing effects of buildings, reduced urban heat island effects, and increased urban green appearance. (Conclusion)This study uses vertical gardens in public spaces to design public spaces that are more comfortable and share mental and physical health together.

A Study on the Ecologic Design for Urban Collective Dewelling (생태학적 개념의 도심형 공동주택 디자인에 관한 고찰)

  • Kyonne, Jin-Hyun
    • Proceeding of Spring/Autumn Annual Conference of KHA
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    • 2006.11a
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    • pp.81-85
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    • 2006
  • The current environmental issue is how a dwelling adapts into a given climate in which the design is applied by ecology without damaging the natural environment. In another word, the main issue in the twenty first century will be how we meet the human needs to dwellings applied by the residential environment. Therefore, we have to provide a hospitable place for residents' mental and physical health through "Green Design," emerging as the critical design of urban collective dwellings. Based on these conceptions, the purpose of this study is to suggest the way of designing the urban collective dwelling applied by ecology, proffering wealthy life style to residents with the preservation of natural environment as applying an ecological concept into the design of collective dwellings that represent a contemporary housing type for urban residents. In order to design the urban collective dwelling applied by ecology, this study introduces the outdoor design in friendly surroundings, the collective construct of a delightful housing, and the organic connection between inside and outside rooms.

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Numerical Simulation of Effect of Urban Land-use Type and Anthropogenic Heat on Wind Field (지표면 변화와 인공열이 바람장에 미치는 영향에 관한 수치 시뮬레이션)

  • 홍정혜;김유근
    • Journal of Korean Society for Atmospheric Environment
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    • v.16 no.5
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    • pp.511-520
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    • 2000
  • The urban atmosphere is characterized by th difference in surface and atmospheric environment between urban and more natural area. To investigate th climatic effect of land use type and anthropogenic heat of urban on wind field, numerical simulations were carried out under typical summer synoptic condition. The wind model PNU_MCM(Pusan National University Mesoscale Circulation Model) is based on the three-dimensional Boussinesq equations, taking into account the hydrostatic assumption . Since lane-use differs over every subdivision on Pusan the surface energy budget model includes sub0grid parameterization scheme which can calculate the total heat flux over a grid surface composed of different surfaces. The simulated surface wind agrees well with the observed value, and average over 6 days which represent typical summer lan-sea breeze days, August 1998, i.e. negligible gradient winds and almost clear skies. Urbanization makes sea-breeze enhance at day and reduce land-breeze at night. The results show that contribution of land-use type is much larger than that of anthropogenic heat in Pusan.

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Distribution of Epilithic Diatom Assemblages in an Urban Stream in Busan: Effected of Urban Climatic Conditions (도시 기후 변화가 도시하천의 부착규조류 군집에 미치는 영향)

  • Lee, Youjung;Kim, Kyungsun;Cho, Jeonggoo
    • Korean Journal of Environmental Biology
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    • v.35 no.2
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    • pp.143-151
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    • 2017
  • This study illustrates changes in the epilithic diatom assemblages in response to urban climatic conditions. We further assess the impact of abnormal urban climate to the urban stream environment. Epilithic diatoms, water chemical and physical variables were sampled every quarter, and assessed at 3 Oncheon stream sites, for a period of two years(from 2013~2014). The variation of physiochemical properties such as BOD, COD, T-N and T-P, show that the water quality was strongly influenced with long periods of drought and flood disturbance. Epilithic diatom assemblages were separated along the stream sites; however, the physical disturbance from urban drought and stormwater changed the composition of diatom assemblages instead of decreasing the taxonomic richness. Thus, our results suggest that epilithic diatom assemblages are altered in response to urban climatic changes, resulting in variations of stream conditions. Hence, strategies of climate change adaptation are required when considering urban stream environments.

Assessing the Effect of Water and Heat Cycle of Green Roof System using Distributed Hydrological Model in Urban Area (분포형 수문모형을 이용한 도시지역 옥상녹화에 따른 물 및 열순환 영향 평가)

  • Jang, Cheol Hee;Kim, Hyeon Jun;Kim, Yeon Mee;Nam, Mi A
    • KIEAE Journal
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    • v.13 no.4
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    • pp.33-41
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    • 2013
  • The impervious area on the surface of urban area has been increased as buildings and artificial land cover have continually been increased. Urban development has gradually decreased the green zone in downtown and alienated the city from the natural environment on outskirt area devastating the natural ecosystem. There arise the environmental problems to urban area including urban heat island phenomenon, urban flood, air pollution and urban desertification. As one of urban plans to solve such problems, green roof system is attracting attentions. The purpose of this study was to investigate flood discharge and heat reduction effect according to the green roof system and to quantify effect by analyzing through simulation water and heat cycle before and after green roof system. For the analysis, Distributed hydrologic model, WEP (Water and Energy transfer Processes) and WEP+ model were used. WEP was developed by Dr. Jia, the Public Works Research Institute in Japan (Jia et al., 2005), which can simulate water and heat cycle of an urban area with complex land uses including calculation of spatial and temporal distributions of water and heat cycle components. The WEP+ is a visualization and analysis system for the WEP model developed by Korea Institute of Construction Technology (KICT).

도심지역 지하수관리를 위한 지하수환경 모니터링

  • 이진용;최미정;이명재;이강근
    • Proceedings of the Korean Society of Soil and Groundwater Environment Conference
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    • 2002.09a
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    • pp.277-279
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    • 2002
  • In late of the 1980's, dramatic increase in water use caused over-exploitation of groundwater and deterioration of water quality in urban areas. To monitor quantity of groundwater resources and their qualities, local groundwater monitoring networks were established. Groundwater resources in urban areas are affected by various human activities including underground building construction (subway), pumping for water use, and pavements. Detailed analysis of the monitored groundwater data would provide some good implications for optimal and efficient management for groundwater resources in the urban area.

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A Study on School Location decision direction for Urban Amenity - The focus on Location relation school and park of land use planning- (도시쾌적성을 위한 학교용지의 입지결정방향에 관한 연구 - 학교용지와 공원용지와의 연관적 배치를 중점으로-)

  • Kim, Hyung Don;Kim, Sung Joong;Nam, Jung Hoon
    • The Journal of Sustainable Design and Educational Environment Research
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    • v.8 no.1
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    • pp.34-46
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    • 2009
  • The purpose of this study was to analyze the school location decision direction for land use planning of public land development. And this research proposed the school location decision direction for urban amenity. So this research present the implication on urban planning and design for architecture, park-school complex. This study perform the relationship with land use planning out side environment of school land. This research proved the fact that the school land relationship with the park, the other school land etc. And this result will be used in decision-making-process of land use planning, public land development construction, urban design and city policy.

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Nature Activities in Urban Parks to Encourage Curiosity and Scientific Problem-Solving Ability in Kindergarteners

  • Kim, Eun-Jin;Koo, Chang-Duck
    • Journal of People, Plants, and Environment
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    • v.22 no.5
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    • pp.515-524
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    • 2019
  • This study was conducted based on the fact that children in institutions for early childhood education located in cities lack the opportunity to experience nature. Therefore, urban parks are where it is possible to observe nature and natural environment, through which we examined the effects of nature activities on kindergarten children's curiosity and scientific problem-solving ability. The subjects of this study were 5-years old kindergarten children in attending public kindergartens in Cheonan and Asan and 42 children were randomly selected. The pretest and posttest were conducted on curiosity and scientific problem-solving ability before and after nature activities. The results showed that nature activities in urban parks had significant effects on improvement of kindergarten children's curiosity and scientific problem-solving ability (p <.05). Therefore, nature activities in urban parks had positive effects on preference for unknown and exploratory behavior, which are sub-factors of kindergarten children's curiosity. Nature activities also had positive effects on discovery and statement of the problem, creation and application of ideas, and conclusion to problem solving.