A high-precision gas sensor was used to monitor the concentration of O3 around the campus of Hanshan Normal University in Hanjiang New Town, Chaozhou City in September 2019, and its spatio-temporal distribution charac...A high-precision gas sensor was used to monitor the concentration of O3 around the campus of Hanshan Normal University in Hanjiang New Town, Chaozhou City in September 2019, and its spatio-temporal distribution characteristics and influencing factors were analyzed and studied. The results showed that the average concentration of O3 monitored by mobile monitoring was significantly higher than that at the national control point in the urban area of Chaozhou City. During the study period, the daily variation of O3 concentration was in the form of a single peak. In the afternoon>in the evening>in the morning, there was a maximum of 279 μ g/m3 of O3 concentration in the afternoon. In addition, O3 has obvious spatial distribution characteristics. High concentration O3 is mainly distributed in Dongshan Road, Woshi Road and other areas with large traffic flow, indicating that high concentration ozone may be related to the precursors of vehicle exhaust emissions.展开更多
文摘A high-precision gas sensor was used to monitor the concentration of O3 around the campus of Hanshan Normal University in Hanjiang New Town, Chaozhou City in September 2019, and its spatio-temporal distribution characteristics and influencing factors were analyzed and studied. The results showed that the average concentration of O3 monitored by mobile monitoring was significantly higher than that at the national control point in the urban area of Chaozhou City. During the study period, the daily variation of O3 concentration was in the form of a single peak. In the afternoon>in the evening>in the morning, there was a maximum of 279 μ g/m3 of O3 concentration in the afternoon. In addition, O3 has obvious spatial distribution characteristics. High concentration O3 is mainly distributed in Dongshan Road, Woshi Road and other areas with large traffic flow, indicating that high concentration ozone may be related to the precursors of vehicle exhaust emissions.
