• Title/Summary/Keyword: green environment

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The Analysis on the Evaluation Items of Korea Green Building Certification Criteria by the Case Studies of Collective Housing (국내 공동주택 부문의 친환경건축 인증 평가 항목 및 사례 분석)

  • Kim, Chang-Sung
    • KIEAE Journal
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    • v.13 no.2
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    • pp.93-100
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    • 2013
  • Many countries have made their best to protect the earth from global warming and to find solutions for the reduction of carbon dioxide emittion and energy consumption. Especially, buildings have emitted over 40% of carbon dioxide against whole quantities emitted to the earth. Therefore, the reduction of carbon dioxide emitted from buildings require to save the earth environment. Energy consumption of buildings in Korea has reached 24% of total energy quantities, and energy consumption of collective housing has been continuously increasing. So, Korea government has also executed the Green Building Certification Criteria(GBCC). The GBCC evaluates the 8 types of buildings - collective housing, office, school, etc - to certificate the green building. In this paper, the evaluation items of collective housing in GBCC were reviewed to be used as the reference data for future revisions by the case studies. According to the results of this study, current version of GBCC requires additional revisions about the evaluations of energy consumption monitoring, commissioning and existing building.

Influence of Low Growing Vegetation in Reducing Stormwater Runoff on Green Roofs

  • Krishnan, Raymond;Ahmad, Hamidah
    • International Journal of High-Rise Buildings
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    • v.3 no.4
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    • pp.273-278
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    • 2014
  • Green roof's performance in reducing stormwater runoff has been reported by numerous studies. Nonetheless, the roles of low growing vegetation in influencing stormwater runoff reduction on green roofs have been greatly overlooked. This paper describes an experiment investigating the influence of low growing vegetation in the reduction of tropical stormwater runoff on extensive green roofs. Three types of locally occurring native vegetation and one non-native Sedum species were selected (fern, herb, grass and succulent) for the experiment. Stormwater runoff reduction performance from different low growing species was done by measuring excess water runoff from the simulated green roof modules. The results show significant differences in stormwater runoff reduction from different types of vegetation. Fern was the most effective in reducing stormwater runoff, followed by herb, Sedum and grass. Vegetative characters that are found to attribute towards the performance of stormwater runoff are rooting density, structure, density, leaf type, and vegetation biomass.

Development and Characteristics of New Cultivar 'Green Ever' in Zoysiagrass (한국잔디 신품종 '그린에버'의 개발 및 특성)

  • Tae, Hyun-Sook;Hong, Beom-Seok;Shin, Chong-Chang;Jang, Gong-Man;Kim, Kyung-Duck;Park, Dae-Sup
    • Weed & Turfgrass Science
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    • v.3 no.4
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    • pp.329-335
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    • 2014
  • This study was performed to study characteristics of new zoysiagarass cultivar 'Green Ever' (Plant Variety Protection Application no. 2014 - 02). 'Green Ever' was developed by selection breeding among 100 native zoysiagrasses collected in South Korea. 'Green Ever' showed specific bands (1.48 kb with OPC14 and 1.05 kb with OPD5) which were distinct from 'Anyang Joonggi' or 'Dongrae Koryogi' in RAPD analysis. 'Green Ever' was classified as Z. matrella in morphological evaluations including plant height ($6.8{\pm}0.5cm$), leaf width ($2.0{\pm}0.1mm$), height of lowest leaf ($1.9{\pm}0.1cm$) and seed length ($3.0{\pm}0.1mm$), which was similar with morphological characteristics of 'Dongrae Koryogi'. Turf quality, shoot density and chlorophyll content of 'Green Ever' were higher than them of 'Anyang Joonggi' and 'Dongrae Koryogi' under intensive management such as fairway on golf course, especially shoot densities of 'Green Ever' were excellent higher than 'Anyang Joonggi' and 'Dongrae Koryogi' during experimental periods. It could be extensively used in fairway, teeing ground of golf courses and landscape garden after further study about various environmental adaptabilities such as winter kill, wear tolerance etc.

The Characteristics of Growth and Green Manure Yield by Different Kinds of Landscape Crops Cultivated in Summer in Upland Soil

  • Cho, Hyeoun-Suk;Seong, Ki-Yeung;Park, Tae-Seon;Seo, Myung-Chul;Kim, Mi-Hyang;Kang, Hang-Won
    • Korean Journal of Soil Science and Fertilizer
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    • v.47 no.5
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    • pp.324-331
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    • 2014
  • Landscape crops have decorated its surrounding landscape by being cultivated from spring to late fall. Recently, landscape crops are starting to get the limelight as crops that can be cultivated in large area farmlands. Therefore, we examined the growth characteristics of landscape crops, green manure yield and nitrogen production of crops that are cultivated during summer, which are sunflower, cosmos, sunnhemp and sesbania, in order to select crops that can be utilized as landscape crops and green manure crops. The height of landscape crops increased when the harvest time was later. Especially, sunnhemp, cosmos, sunflower and sorghum grew over 100cm. The days to flowering of sunnhemp and cosmos were 50 and 53 days each, and their flowering period of more than 50 days were long. The days to flowering of sunflower, which was 52 days, was short, and its flowering period, which was 21 days, was also short. When the harvest time was later, the green manure yield and nitrogen production of all crops increased. Individually, the green manure yield was higher in sunnhemp, sorghum, sunflower, with $7.2{\sim}7.5Mg\;ha^{-1}$, and was lowest in sesbania. The nitrogen production was higher in sunnhemp, with $168.1kg\;ha^{-1}$ Therefore, as seen in its flowering characteristics, green manure yield and nitrogen production, sunnhemp had the best green manure and landscape effects among the landscape crops for summer.

A Study on the Changes of Plant Species and Soil Environmental Characteristics on Green Roofs at Seoul Women's University (서울여자대학교 옥상녹화 지역의 식물 종 증감 및 토양환경 특성 변화)

  • Lee, Sang-Jin;Park, Gwan-Soo;Lee, Dong-Kun;Lee, Eun-Heui;Jang, Seong-Wan;Kim, Myeoung-Hee;Kil, Sung-Ho;Lee, Hang-Goo;Jang, Kwan-Woo;Park, Beom-Hwan;Yoon, Jun-Young;Kwon, Oh-Jung
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.16 no.6
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    • pp.109-117
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    • 2013
  • This study was carried out to investigate the changes of plant species and soil physicochemical properties on green roofs established at Seoul Women's University in 2005, 2006 and 2007. The plant species and soil properties were investigated in 2013. The areas of green roof sites ranged $90{\sim}100m^2$. There were floras of vascular plants of 12 families, 20 genera and 22 species in the 2005 site, 24 families, 37 genera and 38 species in the 2006 site, 14 families, 27 genera and 31 species in the 2007 site. The total number of plant species decreased in the 2005 and 2006 sites and increased in the 2007 site since established. High proportion of dispersal type was barochory in the 2005 and 2006 site, and autochory in the 2007 site. And the proportion of the compositae family was high in the introduced plants over the sites for the all study sites. Average pH and organic matter concentration of green roof soil were ranged from 5.25 to 5.96 and 7.17 to 8.96% in study sites. The organic matter concentration and pH of green roof soil were lower in 2013 than in the three establishment years. Carbon concentration of green roof soil in the three study sites were ranged from 4.16 to 5.30% and total soil carbon in 10cm depth were ranged form 1.57 to $1.98kg/m^2$.

A Survey on Endocrine Disruptors among Agricultural Products in the North of Seoul

  • Kim Yang-Suk;Lee Sung-Duk;Kim Soo-Jin;Baek Soo-hyun
    • Proceedings of the Korean Society of Food Hygiene and Safety Conference
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    • 2001.10a
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    • pp.120-122
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    • 2001
  • This study was carried out to monitor suspected endocrine disrupting pesticides and industrial organic chemicals among circulated agricultural products in the north area of Seoul in 2001. Procymidone, vinclozolin, endosulfan, chlorothalonil, chloropyrifos and pendimetaline (pesticides) and butylated hydroxytoluene(industrial organic chemicals) were certified by GC-MS. Detected 6 pesticides were remained mostly in the green vegetables, spices and wild plants with $3\%$ detected. Butylated hydroxytoluene(industrial organic chemicals) used for green house cover stuffs was contained mostly in the green vegetables, spices and wild plants not in the fruits and cereals with $43\%$ detected. In the same agricultural products containing butylated hydroxy toluene showed same detection tendency with remaining endocrine disrupting pesticides.

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A Study on the Indoor Environment Condition in Green Building Certification Criteria (학교시설 친환경인증 사례를 통한 실내 환경 평가항목 분석)

  • Shin, Yoo-Jin;Kwag, Moon-Geun;Choi, Chang-Ho
    • Korean Journal of Air-Conditioning and Refrigeration Engineering
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    • v.22 no.9
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    • pp.579-588
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    • 2010
  • According to the increasing concern about health and environment, students need to study in comfort and clean environment facilities. We did field survey on 40 primary schools to analyze the present condition of design and construction for the part of indoor environmental performance in the certificated green school building. We hope that this paper will offer the important data about the indoor environment standards and performances in primary school facilities.

Haussmann's Urban Green Space System in Paris' The Efficacities and the Logic of the Green Politics (오스만의 파리시 도심녹지시스템 : 그 효용성과 녹지정책의 논리)

  • 견진현
    • Journal of the Korean Institute of Landscape Architecture
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    • v.31 no.4
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    • pp.1-12
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    • 2003
  • The urban park provides a safe rest and leisure area, and offers the beauty of nature to counter the drearyness of urban space. It can provide benefits such as the reduction of environmental pollution, the regulation of the local climate, and it can also provide a safe area during times of disaster. However, there was no interest in urban park development and control in Korea during the economic boom of the mid 1960s. Furthermore, during the industrialization process, the population grew significantly in the cities and the cities' scales were noticeably extended; as a result of this, the living environment and the natural environment in the cities worsened. With rapid urbanization and industrialization, urban green area diminished, and it became necessary to organize the urban park system to improve quality of life. 45% of south korea's population lives in 6 cities, which is only 4% of Korea's land size. The Urban park system has to be considered in the urban planning process. Paris' urban green system can be a role-model for Korea's urban green development plan to function organically. Urban public park concepts have been used in Paris's urban planning since 1850. There were hardly any parks, gardens and squares for the public before the middle of the 19th century. For improving life-styles for the poor, Napoleon III strongly supported the development of green space systems in Paris by G.E. Haussmann. Napoleon III and Haussmann established and applied the urban green regulation within Paris urban planning. The purpose of this study is to investigate the green regulations Haussmann's Paris urban plan and urban green space system: and as a result of this, it can be an indicator for urban green space development in Korea.