[AAS11-P06] Estimating vertical fluxes of ozone within the atmospheric boundary layer
Keywords:Atmosphere, Ozon, Distribution
Analysis of the obtained data showed that the rate of ozone influx from upper layers of the atmosphere is 3-10 times less than the ozone production rate in the ABL. Average rate of ozone influx from the free troposphere was about 1 mg m-3 h-1, but ozone production rate in the ABL was about 5 mg m-3 h-1, so the major part of ozone is formed by photochemical reactions that occur within the ABL and only 20 % of its content is determined by the influx from the free troposphere. The vertical profiles of the ozone fluxes have shown that their maximum values are observed at heights from 200 to 600 m AGL. The height of the maximum depends on the season: in winter it is lower than 200-300 m, and in summer the maximum is observed at 500-600 m. The value of the ozone flux maximum also depends on the season and varies from 1 μg m-2 s-1 in winter to 4.2 μg m-2 s-1 in spring.
This work was supported by the Russian Foundation for Basic Research (grant No 17-05-00374).