Optical depth of smoke aerosol over the Lake Baikal aquatories in the period of forest fires in the summer of 2019

Balin, Yurii S.; Klemasheva, Marina G.; Kokhanenko, Grigorii; Насонов, С. В.; Novoselov, Mikhail M.; Penner, Ioganes E.; Самойлова, С. В.

doi:10.1117/12.2576794

Cited by 1 publication

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Section: Study Of Optical and Microphysical Characteristics Aerosol P...mentioning

confidence: 96%

“…The relatively high AOD500 values, together with the high AE440-870 values, indicate the presence of fine aerosols that form from wildfires. The results of sounding tropospheric aerosol fields using the LOSA-M2 ground-based lidar at Lake Baikal in 2013-2016 and 2019 showed uniform filling of the atmospheric boundary layer up to 3.5 km by smoke aerosol, the content of which exceeded background values [26,37]. To determine the concentration and size of aerosol particles in the Baikal region's entire thickness atmosphere, we analyzed the optical properties of aerosol according to the data of photometric measurements at the Tory station.…”

Section: Study Of Optical and Microphysical Characteristics Aerosol P...mentioning

confidence: 98%

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Interannual and Seasonal Variation of Optical and Microphysical Properties of Aerosol in the Baikal Region

et al. 2022

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The paper analyzes the interannual, seasonal variations of the optical and microphysical characteristics of aerosol in the Baikal region atmosphere according to measurements using the CIMEL sun photometer of the AERONET network at Tory station and according to the data of expedition measurements using the SP-9 sun photometer on the southeastern coast of Lake Baikal from 2010 to 2020. It is shown that in recent years, there has been an increase of the average monthly aerosol optical depth (AOD) values in the summer months, which is consistent with an increase in smoke emission due to annual large-scale wildfires in the boreal forests of Siberia and Yakutia in summer. Aerosol classification was carried out based on filtration and selection of the prevailing types of aerosols by analysis of aerosol optical depth and Angstrom exponent. It was revealed that in summer, the proportion of the smoke component of the aerosol optical depth increases to 30% compared to the spring. In the presence of smoke advection, the close relationship of AOD with the concentrations of the microdispersed aerosol fraction PM10 and PM2.5 was revealed. The correlation coefficients between the concentration of particulate matter (PM10 and PM2.5) and AOD were 0.87 and 0.86, respectively.

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Section: Study Of Optical and Microphysical Characteristics Aerosol P...mentioning

confidence: 96%

Section: Study Of Optical and Microphysical Characteristics Aerosol P...mentioning

confidence: 98%

Interannual and Seasonal Variation of Optical and Microphysical Properties of Aerosol in the Baikal Region

et al. 2022

View full text Add to dashboard Cite

show abstract

Optical depth of smoke aerosol over the Lake Baikal aquatories in the period of forest fires in the summer of 2019

Cited by 1 publication

References 4 publications

Interannual and Seasonal Variation of Optical and Microphysical Properties of Aerosol in the Baikal Region

Interannual and Seasonal Variation of Optical and Microphysical Properties of Aerosol in the Baikal Region

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