秦皇岛市城市绿地对气候环境的调节作用

通过对秦皇岛草面、沥青表面、水泥表面和裸露地表4种表面温度观测的数据,分析了不同地表表面温度在夏季不同天气条件下温度的变化规律与差异,阐述了草地在城市气候环境调节中的作用。统计结果表明,夏季各表面温度从高到低的次序为:沥青、水泥、裸土和草面温度。在不同的地表面中,夜间基本均以草面温度最低。各表面的最低温度出现在日出前,各表面的平均最高温度出现在12～14时之间。在夏季晴朗的白天,中午各表面温度达到一日中的最高。草面的温度远低于沥青和水泥表面的温度,白天平均温度差异达到10.0℃左右。

Regulating Effect of Urban Grassland on Climatic Environment in Qinhuangdao

With the observation data of the surface of grassland, asphalt floor, cement floor and exposed surface in Qinhuangdao, this article analyzed the characteristics and differences of the temperature of a variety of ground surfaces in different weather conditions in summer, expounded the regulating effect of grassland on urban climatic environment. The statistical results indicated that the surface temperature in summer in order from high to low is asphalt floor, cement floor, exposed surface and the surface of grassland. The surface temperature of grassland is almost the lowest at night, and the lowest temperatures occurred before sunrise, the average value of the highest temperature took place between 12 to 14 o＇clock in the daytime. When it was sunny in summer,the maximum temperature usually occurred at noon. The surface temperature of grassland was 10.0℃ or so, far lower than that of asphalt floor and cement floor surface.