摘要
城市热岛效应是目前北京夏季突出的气候问题,绿地空间对小气候具有可调节功能,其中景观下垫面对小气候温湿因子具有显著影响作用,优化绿地空间景观下垫面是缓解城市热岛效应的调节途径之一。该文以分析夏季绿地景观下垫面与小气候温湿因子的关联特性为研究目的,以北京城市街头绿地为研究对象,以1000~100000m2为研究尺度。对砖、石、木、草等6种最常见街头绿地景观下垫面的相对湿度、地表温度及热应力指数等小气候要素进行实测,分析测试数据,研究城市街头绿地下垫面种类与小气候温湿度之间的量化关系,进一步提出以调节改善小气候温湿舒适度为导向的城市街头绿地景观下垫面优化策略。
Urban heat island effect is currently the most prominent climate problem in summer in Beijing, the green space for micro- climate with adjustable features, landscape underlying surface on the micro-climate temperature and humidity factors have a significant influence, the green space optimization is one of the underlying surface to ease the urban heat island regulatory pathways. In this paper, taking the correlation of hot and humid micro-climate factors and urban green street underlying surface for research purposes, the streets of Beijing urban green space for the study object, taking 1000-100000m^2 for study scale, we test the most common green street landscape underlying surface which is the six kinds of brick, stone, wood, grass, etc., related to micro-climate elements such as relative humidity, LST and heat stress index. Then we analyze the test data, study the quantitative relationship between the urban green street underlying surface species and micro-climate factors, and put forward tactics about the green street landscape underlying surface which takes adjusting and improving micro-climate＇s temperature and humidity as guiding.
出处
《华中建筑》
2017年第4期38-43,共6页
Huazhong Architecture
基金
北京市教委科技计划一般项目(编号:KM201610009013)
北方工业大学"2016校内人才强校-青年拔尖"项目(编号:XN071017)
关键词
城市街头绿地
下垫面材质
温湿度
人体舒适度
Urban green street, Underlying surface material, Temperature ＆ humidity, Human comfort degree
