• Title/Summary/Keyword: Urban Climate Change

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Official Development Assistance and Environmental Assessment (공적개발원조사업(Official Development Assistance)의 방향과 환경평가)

  • Lee, Jong Ho
    • Journal of Environmental Impact Assessment
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    • v.23 no.1
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    • pp.51-65
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    • 2014
  • ODA projects such as multi-purpose dam, industrial complex, road construction etc. have resulted in environmental damage and resident relocation including destruction of site of living. Even the grandiose developments as ODA projects have made clear the value clashes between development and environmental conservation, and have brought about conflicts between public interests and public environmental right, and the discordance between public interests and private property rights in the recipient country. This study summarizes and analyses the Korea's ODA projects and will suggest the public participation and governance system based on Saemaul Movement, Strategic Environmental Assessment and Environmental Impact Assessment based on the guideline of OECD DAC, and emphasize Strategic Environmental Assessment and Social Impact Assessment in the procedure of ODA projects. In the future the ODA project should be implemented for the overcome of poverty and response to climate change based on the experience and trial and errors of Korea's compact growth and past ODA projects.

A review of the philippine green building rating system, BERDE in comparison with G-SEED and LEED

  • Culiao, Rudiliza;Tae, Sungho;Kim, Rakhyun
    • The International Journal of Sustainable Building Technology and Urban Development
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    • v.9 no.2
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    • pp.87-94
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    • 2018
  • Different countries create their own green building rating system to be in line with sustainable development as a response to the urgent call for solution for Climate Change and degradation of the environment due to rapid population growth and economic development. This study conducts a critical review on the Philippine national voluntary green building rating system, BERDE, in comparison with South Korea's national voluntary green building rating system, G-SEED and U.S. rating system LEED. Their categories, building types assessed, and assessment methods were compared side by side to seek better practice(s) for green building rating assessment for Philippine green building projects.

Vegetation Classification Using Seasonal Variation MODIS Data

  • Choi, Hyun-Ah;Lee, Woo-Kyun;Son, Yo-Whan;Kojima, Toshiharu;Muraoka, Hiroyuki
    • Korean Journal of Remote Sensing
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    • v.26 no.6
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    • pp.665-673
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    • 2010
  • The role of remote sensing in phenological studies is increasingly regarded as a key in understanding large area seasonal phenomena. This paper describes the application of Moderate Resolution Imaging Spectroradiometer (MODIS) time series data for vegetation classification using seasonal variation patterns. The vegetation seasonal variation phase of Seoul and provinces in Korea was inferred using 8 day composite MODIS NDVI (Normalized Difference Vegetation Index) dataset of 2006. The seasonal vegetation classification approach is performed with reclassification of 4 categories as urban, crop land, broad-leaf and needle-leaf forest area. The BISE (Best Index Slope Extraction) filtering algorithm was applied for a smoothing processing of MODIS NDVI time series data and fuzzy classification method was used for vegetation classification. The overall accuracy of classification was 77.5% and the kappa coefficient was 0.61%, thus suggesting overall high classification accuracy.

Optimum Installation Angle of Solar Collectors according to Region and Energy Consumption Patterns (지역 및 에너지소비패턴에 따른 태양열 집열기의 최적설치각 해석)

  • Jun, Yong-Joon;Park, Kyung-Soon
    • Journal of the Korean Society for Geothermal and Hydrothermal Energy
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    • v.14 no.4
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    • pp.61-67
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    • 2018
  • Solar energy depends on the altitude and azimuth of the sun, and the amount of energy collected on the slope depends on the latitude of the area being installed. However, since most solar heating systems are fixed to the ground, it is necessary to analyze the optimal installation angle from the early design stage. However, problems arise when energy consumption is not considered together because heating systems are not used in the summer In this study, the optimum installation angles of the solar collectors according to the latitude of the installation area are not simply determined by the amount of energy collected, but because the system is overheated due to climate change or energy usage patterns, And the amount of additional energy input.

Bamboo Architecture: Structure, Construction and Space: Part 1

  • Vo Trong Nghia
    • International Journal of High-Rise Buildings
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    • v.13 no.2
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    • pp.113-145
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    • 2024
  • Bamboo is seen as a low cost, lightweight, widely available and environmental-friendly material. In Vietnam, it also connects deeply to our culture. However, it wasn't seen as a viable material for large structures before VTN Architects. Furthermore, Vietnamese cities are facing the same environmental problems as many developing metropolises in the world. Globally, climate change is a serious issue. The need for sustainable construction material is clear. The increasing development of eco-tourism in Vietnam and Asia is also a background. These become the background to the foundation and the development of bamboo architecture by VTN Architects. The journal analyses our development of bamboo construction, joints, structures, and how to use them to realise space and to create eco-friendly architecture. We will talk about our process of bamboo procurement, our construction methods, our unique joint system, how we make a frame unit and how we construct VTN bamboo structures from units.

Analysis of Ecodiversity as the Foundation for Conserving Biodiversity and Its Restoration Strategy (생물다양성을 보존하기 위한 토대로서 생태다양성 분석 및 복원 전략)

  • Lim, Bong Soon;Kim, Dong Uk;Kim, A Reum;Seol, Jae Won;Lee, Chang Seok
    • Korean Journal of Ecology and Environment
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    • v.53 no.4
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    • pp.408-426
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    • 2020
  • This study aims to establish the national strategy for biodiversity conservation by analyzing the current status of ecodiversity as the foundation of biodiversity conservation. Furthermore, this study has another purpose of preparing the measures for conservation and restoration of biodiversity. Ecodiversity was discussed as the basis for conserving biodiversity. Five climate zones and 14 climatic regions, eight plant geographic regions, three massifs and major geologic series, horizontal and vertical topographic conditions, 16 ecoregions, major ecosystems including forest, river and streams, wetlands, coast and marine, agriculture, and urban esosystems, and land use types were discussed as the element of the ecodiversity. In terms of biodiversity conservation, the actual conditions of each ecological unit were reviewed and measures were proposed to reduce biodiversity loss. Destruction and fragmentation of habitat, poor ecosystem management due to socioeconomic changes, the effects of exotic species and chemicals, and climate change were discussed as the major factors causing biodiversity loss. Systematic monitoring based on scientific principles and ecological restoration based on those monitoring results were recommended as measures for biodiversity conservation.

Urbanization and Urban Heat Island Analysis Using LANDSAT Imagery: Sejong City As a Case Study (LANDSAT 영상을 이용한 세종특별자치시의 도시화와 열섬현상 분석)

  • Kim, Mi-Kyeong;Kim, Sang-Pil;Kim, Nam-Hoon;Sohn, Hong-Gyoo
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.34 no.3
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    • pp.1033-1041
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    • 2014
  • Rapid urbanization of Korea was an unprecedented example in the world and urban population increased significantly. As a result, unbalanced distribution of population is serious problem in Korea because approximately 50% of the population is concentrated in the capital area that is 10% of nation's territory, thereby occurring various urban problems including UHI. Hence, Sejong Special Autonomous City was inaugurated officially on 2 July 2012 in order to decentralize population of capital area and induce more balanced regional development. The Sejong City has been changed drastically over a period of years as developed practically since the late 2000's and is expected to have new problems of urbanization. The land cover change due to urbanization is the main cause of UHI that urban area is significantly warmer than its surrounding areas and UHI is not only affecting urban climate change but also natural environment. So the purpose of this research is to analyze level of urbanization and UHI effect and to provide the correlation analysis between Land Surface Temperature and spectral indices. To achieve this, satellite imagery from LANDSAT were used. NDVI, NDBI, and UI were calculated using red, near-infrared, mid-infrared ($0.63{\mu}m-1.75{\mu}m$) images and LST was retrieved utilizing thermal infrared ($10.4{\mu}m-12.5{\mu}m$) image. Based on each index and LST, Changes of NDVI, UI and UHI through TVI were analyzed in Sejong City. UHI effect increased around newly constructed multi-functional administrative city, the correlation between LST and NDVI was negative and UI was strong positive.

A Comparative Analysis of TOD Planning Elements of Major Urban Railway Station Areas in Seoul (환승역세권 평가를 통한 TOD 계획 요소의 비교분석)

  • Lee, Jun-Beom;Jin, Won-Young;Seo, Eun-Young;Won, Jai-Mu
    • Journal of the Korean Society for Railway
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    • v.17 no.3
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    • pp.201-209
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    • 2014
  • Transit Oriented Development(TOD) has been the dominant paradigm for urban development. The traditional approach to the development of urban rail station areas demonstrates apparent weaknesses when it comes to compact and mixed-use types of development for these stations. Thus, the objective of this study is to derive evaluation indicators with which to assess urban rail station areas using TOD planning elements. A focus group interview was conducted to explore TOD planning elements. In order to examine the level of TOD to be achieved, an AHP technique was utilized to analyze the importance of several variables. Z-scores and Re-scores were applied to derive the values for the stations. The Variables related to the land use type, mixed use, floor area, and public transit were found to be the major contributing factors to the achievement of TOD in urban rail station areas. The results of this study show that the level of TOD achievement varies according to the major land use, density, accessibility, and mixed-use planning elements.

An Analysis of Flood Damage Influence by Urban Spatial Factors (도시공간적 요인에 의한 침수피해의 영향 분석)

  • Park, Kiyong;Oh, Hoo;Jeon, Won-Sik;Lee, Eui Hoon
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.21 no.9
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    • pp.238-250
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    • 2020
  • This study investigated the long-term measures to minimize flood damage in the event of flooding in urban areas. The relationship between urban spatial factors and the impact of flood damage was analyzed, focusing on non-structural measures. The urban spatial factors were categorized into three parts: open space, disaster prevention facilities, and urbanization sectors. Multiple regression analysis was used to investigate how urban spatial factors influence flood damage. As a result of the analysis, the crucial factors, such as the reduced green areas and parks included in the open space sectors, resulted in an increased flood damage potential. The posterior factors, such as the population density and GRDP included in the urbanization sector concurrently led to an increase in the flood damage potential. Therefore, to better adapt to climate change, it is necessary to establish urban spatial plans strategically, such as green areas and parks. Meanwhile, the population density and GRDP are also the main factors causing flood damage. Therefore, when used appropriately in terms of resilience, it will serve as adaptations and recovery.

Introduction and Classification System of Reservoir Park Mitigating Flood (홍수대응 다목적 재해대응 저류공원의 도입과 분류체계 연구)

  • Moon, Soo-Young;Jung, Seung-Hyun;Yun, Hui-Jae
    • The Journal of the Korea Contents Association
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    • v.18 no.12
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    • pp.646-659
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    • 2018
  • This study proposed "Reservoir Park", which added disaster prevention function to urban green spaces such as city parks through domestic and overseas related laws review, case studies, field trips. This is a combination of urban parks and reservoirs as urban planning facilities, which can provide both space for daily use by urban residents and disaster mitigation functions in case of emergency. In order to prevent flooding in urban areas due to climate change, facilities should be installed in the form of parks, etc., as the reservoir facility should be systematically reviewed together with urban planning facilities. However it was found that the reservoir park was not clear as a theme park. In this study, the types of storage facilities in urban areas were reclassified into five types of storage parks reflecting the characteristics of urban green spaces through domestic case studies and field trips. The classification of the reservoir parks is classified into 5 kinds such as ecological type, vegetation cover type, exercise facility type, underground burial type and hybrid type based on groundwater level, human use, and reservoir size. This classification system can be used to determine the types of facilities to be built after designating the location of future storage facilities.