天水市树种滞尘能力及绿地降温增湿效应  

A Study of Dust Retention Ability of Species and Effects of Temperature Decrease & Humidity Increase of Green Land in Tianshui City

作　　者：赵子忠[1] 桑娟萍[1] 

机构地区：[1]甘肃林业职业技术学院,甘肃天水741020

出　　处：《中国城市林业》2012年第2期12-14,共3页Journal of Chinese Urban Forestry

基　　金：国家"十一五"科技支撑计划森林资源综合监测技术体系研究(2006BAD23B05)

摘　　要：对天水市主干道及甘肃林业职业技术学院校园内主要绿化树种滞尘能力和绿地降温增湿效应进行研究。结果表明,同一尘源条件下,不同树种的滞尘能力与叶片表面粗糙度关系显著;不同尘源备件下,同一树种滞尘量差异显著;与阔叶树种相比,针叶树种滞尘能力较强,尤其是雪松和云杉;在高温季节,林地和草坪都有降低地面温度、增加空气湿度的作用,林地的作用尤其明显。Effects of temperature decrease and humidity increase of green land and dust retention ability of tree species at the arterial roads of Tianshui and the campus of Gansu Forestry Technological College were studied. The results showed that, with the same dust source, the dust retention ability of various species had significant relation with the roughness of blade surface ; with different dust sources, the dust retention ability of the same species was significantly different. Compared with broadleaved species, coniferous species had stronger dust retention ability, esp. Cedrus ricodara and Picea asperata Mast. In high-temperature seasons, forest and lawns had the ability to reduce the ground surface and increase atmospheric humidity, and forests had stronger ability than lawns.

关 键 词：天水 绿地 降温增湿 滞尘效应 

分 类 号：X173[环境科学与工程—环境科学]