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Vol. 34, issue 02, article # 7

Tentyukov M. P., Mikhailov V. I., Timushev D. A., Simonenkov D. V., Belan B. D. Granulometric composition of settled aerosol substance and ratio of phenolic compounds in needles of different age. // Optika Atmosfery i Okeana. 2021. V. 34. No. 02. P. 122–128. DOI: 10.15372/AOO20210207 [in Russian].
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Abstract:

Results of laser granulometry of nanodispersed fraction of aerosol substance and UV spectrometry of water washes of different-age needles of four plant species are given. Influence of hydrothermal conditions on temporal variability of morphometric parameters of needles and contamination of its surface by phenolic compounds in composition of secondary organic aerosols is evaluated. A mechanism for generating secondary organic aerosols on the surface of different-age needles during efflorescence of phenolic compounds and their subsequent entry into the forest canopy during turbulent separation of the boundary layer from the sheet surface is discussed.

Keywords:

laser granulometry, efflorescence, submicron aerosols, secondary organic aerosols, phenolic compounds, needles contamination

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