Characteristics of Trace Gases at Shangdianzi Background Station in Autumn and Winter in Beijing
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Abstract:
The continuous field measurement of some trace gases on the surface air was conducted at Shangdianzi Regional Background Station (117°07′E，40°39′N，293.9 m a.s.l.) in Beijing from September 2003 to February 2004. Some variation characteristics, variation regularity and the present concentrations of O3, NO, NO2, NOx, SO2 and CO were obtained. Primary study shows that the concentrations of O3, NO, NO2, NOx, SO2, CO showed diurnal variation and monthly variation. In general, the ozone concentration was higher in autumn and lower in winter. The relationships between O3, NO, NO2, NOx, SO2, CO and meteorolo gical factors are discussed. Ozone is negatively correlated with NO, NO2, SO2 and CO. There is a good correlation between CO and NOx, SO2. It can be observed that the trends of concentration variations of gaseous pollutants in Shangdianzi are similar to those in the Beijing urban area.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.