摘要
【目的】为探明不同绿地配置及不同材质路面发挥冷岛效应的差异性及其微环境影响因素。【方法】选取北京市昌平区某高校教学区为研究对象,使用ENVI-met对研究区建立不同植被群落配置和路面类型的2种模型并对比其冷岛效应指标。【结果】(1)不同的绿地植物群落配置对于冷岛效应有明显影响。2种绿地配置(模型1:草地+灌木+乔木、模型2:草地)的教学区域日均温分别为20.68℃和20.47℃;日均相对湿度分别为60.60%和59.44%。(2)不同材质路面的温度、相对湿度具有差异性,但在2个模型中的温湿度高低上体现了一致性,温度由高到低依次为石砖路面、沥青路面、裸露土壤表面;相对湿度由高到低依次为裸露土壤表面、沥青路面、石砖路面。裸露土壤表面具有相对低温高湿的特性而石砖路面则相反。【结论】绿地植被配置中乔灌草相结合的绿地优于仅包含草地的绿地,不同材质路面中裸露土壤表面具有较高的舒适度。微环境影响因素中太阳辐射强度、CO_(2)质量浓度等对冷岛效应的发挥有一定影响。
[Objective]To explore the differences of different green space configurations and underlying surfaces playing a cold island effect and the influencing factors of micro-environment.[Methods]A university teaching area in Changping District,Beijing was selected as the research object,and two models of different vegetation community configurations and underlying surface types were established using ENVI met in the study area,and their cold island effect indicators were compared.[Results](1)Different green space plant community configurations had significant effects on the cold island effect.The daily average temperature of the teaching area for two types of green space configurations(grassland+shrubs+trees,grassland)is 20.68℃and 20.47℃,respectively.The daily average humidity is 60.60%and 59.44%,respectively.(2)There are differences in temperature and humidity between different underlying surfaces,but there is consistency in the temperature and humidity levels in the two models.The order of temperature from high to low is stone brick pavement,asphalt pavement,exposed soil surface;In terms of humidity,exposed soil surfaces,asphalt pavement,stone brick pavement.The exposed soil surface has relatively low temperature and high humidity characteristics,while stone brick pavement has the opposite.[Conclusion]In the vegetation configuration of green spaces,the combination of trees,shrubs,and grass is superior to green spaces that only include grassland.The exposed soil surface in different types of underlying surfaces has a higher degree of comfort.Among the micro-environment influencing factors,the solar radiant intensity intensity and CO_(2)concentration have a certain impact on the exertion of the cold island effect.
作者
田菁
陈琳涵
张玉环
赵群
刘云
TIAN Jing;CHEN Linhan;ZHANG Yuhuan;ZHAO Qun;LIU Yun(Beijing University of Agriculture,College of Bioscience and Resources Environment/Key Laboratory of Urban Agriculture in North China,Ministry of Agriculture and Rural Affairs,Beijing 102206,China;Beijing University of Agriculture,School of Landscape Architecture,Beijing 102208,China;Satellite Application Center for Ecology and Environment,Ministry of Ecology and Environment of People’s Republic of China,Beijing 100094,China)
出处
《北京农学院学报》
2023年第4期105-109,共5页
Journal of Beijing University of Agriculture
基金
国家自然科学基金资助项目(40871232,40501029)
北京市自然科学基金-教委联合重点资助项目(KZ201810020025)。
