Vertical distribution of the tropospheric aerosol characteristics assessed from lidar sensing

S. V. Samoilova; Yu. S. Balin; G. P. Kokhanenko; S. V. Nasonov; I. E. Penner

doi:10.1117/12.2540733

18 December 2019 Vertical distribution of the tropospheric aerosol characteristics assessed from lidar sensing

S. V. Samoilova, Yu. S. Balin, G. P. Kokhanenko, S. V. Nasonov, I. E. Penner

Proceedings Volume 11208, 25th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 112084G (2019) https://doi.org/10.1117/12.2540733
Event: XXV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2019, Novosibirsk, Russian Federation

Abstract

The data of multi-frequency sensing in the nighttime allow separating the vertical layers with different scattering / absorbing properties and evaluating their aerosol characteristics. Optical parameters, such as the lidar ratio, the Ångström exponent for the extinction and the backscattering coefficients, depend on advection (horizontal transfer) of air from different geographic regions. The parameters of the particle size distribution function - the average radius of small particles, their contribution into the total concentration - are also associated with back trajectories of air masses. The problem of refractive index is more complicated: variations of the type of horizontal transfer lead to conditioned values only in the middle troposphere.

Citation Download Citation

S. V. Samoilova, Yu. S. Balin, G. P. Kokhanenko, S. V. Nasonov, and I. E. Penner "Vertical distribution of the tropospheric aerosol characteristics assessed from lidar sensing", Proc. SPIE 11208, 25th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 112084G (18 December 2019); https://doi.org/10.1117/12.2540733

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