Experimental Studies of Aerosol and Gas Admixtures in the Near-Water Layer of the Atmosphere of Lake Baikal (Ship-Based Expedition, September 2021)
Optika Atmosfery i Okeana(2023)
摘要
In this paper, we present the results of complex experimental studies of gas admixtures and the vertical structure of aerosol in the atmosphere over Lake Baikal in September 2021, performed onboard research vessel (RV) Akademik V.A. Koptyug . Measurements of gas admixtures in the near-water atmospheric layer were carried out using local control means, i.e., chemiluminescent gas analyzers. The aerosol fields were sensed using a multifrequency polarization aerosol-Raman lidar LOSA-A2. Compared to previous expeditions, in 2021, we recorded the low concentrations of gas admixtures and aerosols, close to the background ones. The analysis showed that the main contributions to the atmospheric pollution were from local sources located near the coastal zone of the lake.
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关键词
Lake Baikal,tropospheric ozone,nitrogen oxides,aerosol,lidar,forest fires,RV Akademik V.А. Koptyug
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