基于人体舒适度的城市绿地面积的确定

Determination of Urban Afforestation Based on Human Body Comfort Degree

在探讨人体舒适度与城市绿地面积关系的基础上,从人体舒适度的角度来确定城市合理的绿地面积。通过城市绿地对温度、湿度及风速影响的观测,得出其影响的程度与范围,经分析后最终推算出银川市根据人体舒适度所确定的绿地面积。结果表明,当绿地面积达到一定数值时,面积增大对舒适度值的影响基本不变,即影响的范围基本不再改变。所以,在增大绿地面积的同时,首先要增加树林的面积,并且要调整绿林的布局和结构。

Based on the discussion of the relationship between human body comfort degree and urban green area,the reasonable city green area was determined from the perspective of human comfort degree.The extent of its impact and the scope was studied through the observation of the effects of the temperature,humidity and wind speed in the urban green space.According to the human comfort degree,the greenwood area of Yinchuan was calculated.The results showed that when the green area reached a certain value,the value of the human comfort degree basically unchanged with the increasing of the size of urban green space.That is to say,the effect scope was no longer changed.Therefore,when the green area was increased,the forest area should be increased first,and the layout and structure of the green wood were adjustd.