A NOTE ON AVERAGE VERTICAL PROFILES OF VEHICULAR POLLUTANT CONCENTRATIONS IN URBAN STREET CANYONS

被引：39
|
作者：
ZOUMAKIS, NM
机构：
[1] Technological Educational Institution of Thessaloniki, Laboratory of Atmospheric Physics, TEI Sindos 54101 Thessaloniki
来源：
ATMOSPHERIC ENVIRONMENT | 1995年 / 29卷 / 24期
关键词：
STREET CANYON DISPERSION; VERTICAL CONCENTRATION PROFILE; AUTOMOTIVE EMISSIONS;
D O I：
10.1016/1352-2310(95)00105-8
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Recent observations of air pollutant concentrations measured within and above street canyons were used to study the average vertical profiles of vehicular pollutant concentrations in the urban environment. The idea of an exponential vertical concentration distribution, exp(- Bz(q)), resulted from a near ground-level source diffusing over flat terrain,,was tentatively extended to the urban street canyons, where the empirical parameters B and q are generally dependent on the atmospheric stability and the aerodynamic characteristics of the canyon.
引用
收藏
页码：3719 / 3725
页数：7
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