Use of lidar signals of Raman scattering 
for retrieval of aerosol microphysical characteristics

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

doi:10.1117/12.2645295

7 December 2022 Use of lidar signals of Raman scattering for retrieval of aerosol microphysical characteristics

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

Proceedings Volume 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1234141 (2022) https://doi.org/10.1117/12.2645295
Event: 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 2022, Tomsk, Russia

Abstract

A procedure is proposed for deriving the aerosol microphysical characteristics of the spherical particle, the complex refractivity index m = m_real + i*m_image and the bimodal size distribution function U(r), using laser sensing data at the wavelengths within 355-1064 nm. A possibility of different optical set, (3β + 2σ) and (3β + 3σ), is studied for weakly absorbing particles for m_image ≤ 0.010, when m^fine ≠ m^coarse holds. The algorithms are tested for one m^fine (1.50+i*0.01) and nine m^coarse (m_real= 1.40, 1.50, 1.60; m_image = 0.0001, 0.001, 0.01). In order to include the influence of the contribution from the modal particles into the total concentration, 462 empirical models of U(r) are used.

Citation Download Citation

S. V. Samoilova, Yu. S. Balin, G. P. Kokhanenko, S. V. Nasonov, and I. E. Penner "Use of lidar signals of Raman scattering for retrieval of aerosol microphysical characteristics", Proc. SPIE 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1234141 (7 December 2022); https://doi.org/10.1117/12.2645295

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