TABLE OF CONTENTS - The Professional Green Building Council

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Theme A: Connecting the Pearl River Delta RegionWANG BO, (1965—),male , Associate Professor, Ph.Doctor, Registered Architect, Architecturaland civil engineering college of Xiamen University,Xiamen,361005 TEI:+86-592-2181304, +86-13860484921, E-MAIL:wangb2000@126..com80
Theme A: Connecting the Pearl River Delta Region广州某住宅小区微气候实测与分析FIELD STUDY AND ANALYSIS ON THE MICROCLIMATE OF ARESIDENTIAL COMMUNITY IN GUANGZHOU赵立华孟庆林陈卓伦华南理工大学亚热带建筑科学国家重点实验室 , 中国 , 广州 ,510640CHEN ZHUOLUN, MENG QINGLIN AND ZHAO LIHUANational Key Lab of Subtropical Building Science, South China University of Technology, China, Guangzhou,510640摘要微气候有别于大气候 , 指的是靠近地表、动植物赖以生存的气候环境。在这个环境中 ,温度、湿度和风速都会随着高度的变化而发生巨大的改变。本文以广州某住宅小区为例 , 在2007 年 7 月现场实测了该小区的微气候 , 通过比较所测得的空气温度、相对湿度、黑球温度及风速等参数 , 考察人工湖、树阴以及下垫面性质等对室外热环境的影响。经过分析发现 ,水体蒸发作用可使平均温度下降约 1.6℃, 树阴遮阳可使平均温度下降约 0.7℃。与此同时 ,树阴遮阳及水体蒸发可以延迟最高温度的出现时间约 1.5 小时 , 减少最高温度的出现频率约20%。而对于小区风环境而言 , 开阔空间的风速最高 , 街谷其次 , 受建筑遮挡及地形影响的地方风速最低。关键词微气候室外热环境空气温度黑球温度风速ABSTRACT Microclimate, which is quite different from macroclimate, refers to the atmosphereenvironment next to ground. This kind of environment is important to animals and plants.Temperature, humidity and wind speed of microclimate change sharply with height. This paperdescribes a field study on the microclimate of a residential community in Guangzhou in July, 2007.By analyzing the measurement results of air temperature, relative humidity, black globe temperatureand wind speed, the impacts of lake, plant shadows and underlying characteristics on outdoorthermal environment. According to the analysis, evaporation effects of lake is able to decrease 1.6℃of average temperature while 0.7℃ by tree shadows. Meanwhile, both the evaporation and treeshadows can delay the appearances of max temperature by 1.5 hours and reduce the frequency of20%. To the wind environment, open spaces obtain the highest wind speed, next come streetcanyons and areas which are obstructed by other buildings or affected by land shapes have thelowest wind speed.KEYWORDS microclimate outdoor thermal environment air temperature black globe temperaturewind speed81
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Funding OrganisationCOMMERCE AND EC
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Ms. S.Y. Shum, Anna, Lecturer, Divi
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以绿色思维创新绿色
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ENHANCING SUSTAINABILITY DELIVERABL
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Theme A: Connecting the Pearl River
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Page 42 and 43: Theme A: Connecting the Pearl River
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to use suitable technology. Additio
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Theme B: Creating a livable, health
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Average Credit4.03.83.63.43.2Averag
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Theme C: Education and Market Trans
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TABLE OF CONTENTS - The Professional Green Building Council

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