The vertical distribution of NO3 in the atmospheric boundary layer

被引:40
作者
Fish, DJ
Shallcross, DE
Jones, RL
机构
[1] Univ Reading, Dept Meteorol, Reading RG6 6NN, Berks, England
[2] Univ Cambridge, Dept Chem, Cambridge CB2 1EW, England
关键词
D O I
10.1016/S1352-2310(98)00332-X
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Recent urban measurements suggest that NO3 concentrations vary significantly with altitude in the lowest few hundred metres of the atmosphere. Calculations using a one-dimensional boundary layer model show that NO3 concentrations are small near the ground and increase with altitude to a maximum near the top of the nocturnal boundary layer (NBL). These results show that the NBL is not well mixed, and that where there are surface sources and sinks two-box models of the NBL are inadequate, and surface measurements are not representative and may lead to an underestimate of the oxidising capacity of the atmosphere. (C) 1999 Elsevier Science Ltd. All rights reserved.
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收藏
页码:687 / 691
页数:5
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