Radiative Forcing of SO2 and NOx: A Case Study in Beijing

被引：0
|
作者：
孙治安 [1 ]
王晓云 [2 ]
曾宪宁 [3 ]
机构：
[1] Bureau of Meteorology Research Centre GPO BOX 1289K,Melbourne 3001,Australia
[2] Beijing Regional Meteorological Centre Beijing
[3] Nanjing University of Information Science and Technology Nanjing 210044
来源：
Advances in Atmospheric Sciences | 2006年 / 02期
关键词：
air pollution; radiative forcing; gas concentration; greenhouse effect;
D O I：
暂无
中图分类号：
X831 [大气监测];
学科分类号：
0706 ; 070602 ;
摘要：
A case study was performed in Beijing in 2000 to observe concentrations of SO2 and NOx in the atmosphere and to evaluate their radiative impact. It was found that the concentrations of these gases are usually high in the morning due to a temperature inversion in the boundary layer. The average concentrations obtained from the observations are much higher than those used in the McClatchey reference atmosphere. The radiative impacts of these gases are calculated using a line-by-line radiative transfer model. The results show that the radiative forcing at the surface due to SO2 is 0.0576 W m-2 and that due to NOx is 0.0032 W m-2. These figures are almost compatible with that due to CFC11.
引用
收藏
页码：317 / 322
页数：6
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