• KIEAE Journal
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• 제14권2호
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• pp.11-19
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• 2014

Building energy consumption takes up almost 25% of the total energy consumption. Therefore, diversified ways, such as improving wall and window insulation, have been considered to reduce building energy consumption. Recently, green roof system has been explored as an effective alternative for dealing with reducing heating and cooling energy, thermal island effect and improving water quality. However, recent studies regarding a green roof system have only focused on building energy reduction without considering the applied usage, location, and story of the green roof system. Therefore, this study pays attention to the heating and cooling energy in relation to the applied usage, location, and story of a green roof system for investigating its impact on energy reduction. The result of simulations show that the reduction in heating energy consumption is higher when applied to Cherwon-gun province which has a continental climate condition, compared to the city of Busan that is distinguished by its warm climate. Cooling energy saving turns out to be higher when the green roof system is applied to Busan in comparison with Cherwon. As for the applied usage or function of the building, residential space acquires the highest heating and cooling energy saving effect rather than commerce, educational or office space because of HVAC's running time based on usage. When it comes to the story of the green roof, both heating and cooling energy saving become the highest when the green roof is applied to single-storied buildings. The reason is that single story building is affected by the ground largely. Generally, the variations of heating energy consumption are larger than the cooling energy consumption. The outcome of the simulations, when a green roof system is applied, indicates that the energy consumption reduction rate is dynamically responding to the applied usage, location, and story. Therefore, these factors should be counted closely for maximizing the reduction of energy consumption through green roof systems.

• 한국식생활문화학회지
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• 제24권2호
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• pp.181-190
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• 2009

The purpose of this study was to investigate individuals' perceptions toward green tea and green tea cafes according to their usage of green tea cafes, gender, and marital status. The survey was conducted online and completed by 200 respondents who had been to green tea cafes and by 200 respondents who had not. The visitors of green tea cafes had more positive perceptions regarding the atmosphere, familiar taste, good quality of raw foods, freshness of foods, good service, excellent taste, and menu variety of green tea cafes. Males perceived green tea as 'good for health' more than the females. There was no difference in the perception of green tea cafes by marital status. Regarding a popularization plan for green tea cafes, the customers felt more need for a tea sommelier than the non-customers, and females versus males felt stronger about having a tea sommelier that would provide opportunities to taste various tea products and develop a green tea menu that considered nutrition and health. Unmarried respondents felt a greater necessity for having a place with a comfortable environment, tasting a variety of tea products, and having a chance to experience tea culture. When selecting a green tea cafe, the quality of the food and cleanliness of the cafe were considered to be most important. The implications of the data are discussed.

• KIEAE Journal
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• 제9권2호
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• pp.3-8
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• 2009

Green is an important keyword in the almost modern development. Green building is an alternative idea for the sustainable growth. Maximizing the green technological effect, this study provide you analyses of certified cases of LEED and green building strategies in accordance with use of building. And each changes on grades will show that development about green building technology with usage of building. We can get the accurate viewpoint through detailed studies about green buildings in USA.

• 한국생활과학회지
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• 제20권6호
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• pp.1135-1151
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• 2011

This study examined green consumption behavior according to the lifestyles of college students. The data were collected from 314 college students in Yeungnam region by a self-administered questionnaire. Frequencies, Cronbach's alpha, factor analysis, cluster analysis, chi-square tests, one-way analysis of variance, Duncan's multiple range tests, Pearson's correlation analysis, and multiple regression analyses were conducted by SPSS Windows V.18.0. According to the result of factor analysis, lifestyles were categorized into six factors: thrift-saving type, enthusiastic activity type, brand ostentation type, freedom-seeking type, material oriented type, and practice-seeking type. Cluster analysis showed respondents belonged to one of four groups: thrift practice group, indifference group, freedom-seeking group, and material ostentation group. The levels of green purchase behavior, green usage behavior and green disposal behavior of the respondents was not high. The thrift practice group showed higher levels of green purchase behavior, green usage behavior, and green disposal behavior. Finally, according to multiple regression analyses, environmental consciousness, knowledge about green consumption, lifestyle groups were the significant factors affecting green consumption behaviors. These results imply that green consumption education for college students should be activated to induce green life.

• 한국농공학회논문집
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• 제56권3호
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• pp.65-74
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• 2014

Water footprint is defined as the total volume of direct and indirect water used to produce a good and service by consumer or producer, and measured at the point of production based on virtual water concept. The green and blue water footprint refers to the volume of the rainwater and the irrigation water consumed, respectively. Crop water footprint is expected to be used as the basic data for agricultural water resources policies at production, consumption and trade aspect. Thus, it is necessary to estimate suitable green and blue water footprint for South Korea. The objective of this paper is to quantify the green and blue water footprint and usage of upland crops during the period 2001-2010. To estimate the water footprint, 43 upland crop production quantity and harvested area data were collected for 10 years and FAO Penman-Monteith equation was adopted for calculating crop water requirement. As the results, the water footprint of cereals, vegetables, fruits and oil crops accounted for 1,994, 165, 605, and 4,226 $m^3/ton$, respectively. The usage of water footprint for crop production has been estimated at 3,499 (green water) and 216 (blue water) $Mm^3/yr$ on average showing a tendency to decrease. Fruits and vegetables have the largest share in the green water usage, consuming about 1,200 and 1,060 $Mm^3/yr$ which are about 65 % of gross usage. The results of this study are expected to be understood by the agricultural water footprint as well as by the total water footprint from both a production and consumption perspective in Korea.

• 대한가정학회지
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• 제43권6호
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• pp.171-182
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• 2005

This study discusses the environmental awareness and the second-hand clothing usage of those consumers who actively purchase used clothing through a clothing swap at a used clothing market. The study used the questionnaire method, weか the subjects being those with experience of buying second-hand clothing. The findings were as follows. 1. The group of higher environmental awareness differed from the group with low environmental awareness in terms of donating or swapping clothing at a green store or in terms of discontinuing the wearing of used clothing bought from a green store. 2. The higher environmental awareness group valued fashion, status symbols and the alignment with others while the group with low environmental awareness valued comfort and economy more than those with the higher environmental awareness. 3. It was discovered that environmental awareness, education and income levels were interrelated.

• 한국환경복원기술학회지
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• 제15권5호
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• pp.31-48
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• 2012

The purpose of this study is to select indicators by a methodical approach and to establish a functional assessment system as a basic study for planning and constructing green space of forest. The types of green space were divided into 6 classes based on theoretical reviews of literature and the functions of green space were restricted to 'nature-ecological function', 'environment-control function' and 'usage function'. As a result of the selection of indicators, 35 indicators were initially selected by theoretical review and these indicators were reduced to 29 through brainstorming. Also, these indicators were classified into three functions such as 12 indicators (nature-ecological function), 8 indicators (environment-control function), 6 indicators (usage function) by analysis of suitability. According to the result of selection of the optimum indicators using MCB (Multiple Comparisons with the Best treatment) analysis, the optimum indicators of 7, 5, and 4 respectively by each function were selected for forest green space. The results of AHP (Analytic Hierarchy Process) for the establishment of the assessment system in forest, the weight of nature-ecological function was evaluated highest at 0.558, while the weight of environment-control and usage function were calculated at each 0.277, 0.165. 'Naturality (0.189)', 'Carbon sink (0.235)', and 'Accessibility (0.354)' among indicators showed highest by each function. The weight of indicator and assessment system may be used as a valuable guideline in case of assessing synthetically green space within urban planning.

• 한국조경학회지
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• 제43권6호
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• pp.62-72
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• 2015

본 연구의 목적은 실내벽면녹화가 이용자에게 어떠한 측면에서 긍정적으로 인식되었으며, 이용행태에 어떠한 영향을 미치는가에 대해 알아보는 것이다. 공용공간 이용객이 벽면녹화 조성 공간을 선호한다는 실험 가설 하에 벽면녹화가 이용객의 행태에 미치는 영향에 대해 관찰실험을 진행하였다. 실내벽면녹화를 설치한 후 행태관찰결과와 설문조사를 토대로 실내벽면녹화 선호도를 분석하였다. 관찰실험은 실내벽면녹화 선호가 이용행태에 어떠한 영향을 미치는가에 관해 2014년 3월 24일부터 31일까지 총 8일간 진행하였다. 일반칸막이 공간과 벽면녹화 칸막이 공간 이용행태를 관찰카메라로 녹화하여 영상을 보면서 분석하였으며, 붐비는 시간대는 관찰시간에서 제외하였다. 좌석별 평균이용시간은 SPSS 통계프로그램을 사용하여 독립표본 T-검정을 실행하였다. 설문조사는 행태관찰 후 일반칸막이 공간과 벽면녹화 칸막이 이용객 224명에게 설문조사를 진행하였다. 설문조사로 실내벽면녹화 선호도와 그 이유에 대해 알아보고, 관찰실험, 좌석분석 결과를 종합하여 분석하였다. 벽면녹화 칸막이 공간과 일반칸막이 공간의 칸막이 인접좌석의 총 이용시간 비교결과, 실내벽면녹화 선호도가 없는 것으로 나타났다. 또한, 벽면녹화 칸막이 공간의 여성이용자 비율이 일반칸막이 공간에 비해 더 높으며, 칸막이와 식물은 좌석선택에 영향을 주지 않는 것으로 나타났다. 행태관찰에서 나타나지 않는 이용자의 심리적 측면을 파악하기 위해 설문조사를 진행하였다. 설문조사에서는 실내벽면녹화에 대한 선호도가 있는 것으로 나타났다. 일반칸막이 공간 이용객 94명 중 11.7%(11명)가 벽면녹화 칸막이 공간에 앉기를 원하였으나, '벽면녹화 칸막이 공간에 자리가 없어서' 일반칸막이 공간에 앉았다고 응답하였다. 또한 벽면녹화 칸막이 공간 이용객 130명 중 24.6%(33명)가 '실내벽면녹화를 선호해서'라고 응답하였다. 일반칸막이 공간과 벽면녹화 칸막이 이용객의 64.3%(144명)가 동일조건이라면 벽면녹화 칸막이 공간을 선택하겠다고 응답하여 선호의사가 있는 것으로 나타났으나, 행태관찰에서 선호에 차이가 없었다.

• International Journal of Advanced Culture Technology
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• 제6권4호
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• pp.226-232
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• 2018

The rapid pace of growth in internet usage and rich mobile applications and with the advantage of incredible usage of internet enabled mobile devices the Green Mobile Crowd Computing will be the suitable area to research combining with cloud services architecture. Our proposed Framework will deploy the eHealth among various health care sectors and pave a way to create a Green Mobile Application to provide a better and secured way to access the Products/ Information/ Knowledge, eHealth services, experts / doctors globally. This green mobile crowd computing and cloud architecture for healthcare information systems are expected to lower costs, improve efficiency and reduce error by also providing better consumer care and service with great transparency to the patient universally in the field of medical health information technology. Here we introduced novel architecture to use of cloud services with crowd sourcing.

• 한국건축시공학회:학술대회논문집
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• 한국건축시공학회 2013년도 춘계 학술논문 발표대회
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• pp.301-302
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• 2013

Green building can contribute to reduce the energy usage dramatically and can be applied to new building projects. This paper explored the efficient construction process for sustainable and green building. Construction process will be performed on the new green building projects and performance evaluation will be carred out as well. For this background, a pilot project of POSCO Green Building provides how to invigorate the low-energy green building which ensure quality and performance by establishing process concept of construction phase to realize the sustainable green building.