Influence of the boundary layer development on the ozone concentration over an urban area

被引:6
|
作者
Kolev, N. I. [1 ]
Savov, P. B. [1 ]
Kaprielov, B. K. [1 ]
Grigorieva, V. N. [1 ]
Kolev, I. N. [1 ]
机构
[1] Bulgarian Acad Sci, Inst Elect, BG-1040 Sofia, Bulgaria
关键词
D O I
10.1080/01431160701355298
中图分类号
TP7 [遥感技术];
学科分类号
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要
Results obtained during two campaigns (summer 2004 and autumn 2005) of observation of the planetary boundary layer dynamics over the Sofia city urban area are presented. An EARLINET scanning aerosol lidar, an ozone analyser and a ground meteorological station were used during the observations. The stable boundary layer height varied from 200m to 600m during the different seasons. The residual layer was found to be at 700-1200m, being destroyed between 10:30 and 12:30 LST. The mixing layer developed up to heights of about 800-1300m. The ground level ozone concentration was measured to be from 10 mu g/m3 to 90 mu g/m3. The convective boundary layer formation in three case studies (a clear sunny day, a partial solar eclipse, and in the presence of internal atmospheric gravity waves) are presented. In particular, the mixing layer development and the residual layer destruction are studied and considered, along with the relevant ground level ozone concentration variation.
引用
收藏
页码:1877 / 1902
页数:26
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