Algorithm of retrieval of aerosol microstructure from sun photometry data based on a hybrid model

V. V. Veretennikov; S. S. Men'shchikova

doi:10.1117/12.2205968

19 November 2015 Algorithm of retrieval of aerosol microstructure from sun photometry data based on a hybrid model

V. V. Veretennikov, S. S. Men'shchikova

Proceedings Volume 9680, 21st International Symposium Atmospheric and Ocean Optics: Atmospheric Physics; 96802I (2015) https://doi.org/10.1117/12.2205968
Event: XXI International Symposium Atmospheric and Ocean Optics. Atmospheric Physics, 2015, Tomsk, Russian Federation

Abstract

Special features of determining the aerosol microstructure from spectral measurements of the aerosol optical depth (AOD) caused by low information content of the solution for large particles are considered. Such conditions are observed when sizes of aerosol particles are much larger than the maximum measurement wavelength. We propose an AOD inversion algorithm based on a hybrid model of aerosol microstructure. The model includes a description of the disperse aerosol composition in the informative range of particle sizes based on the integral distribution function supplemented with a parametric representation of the microstructure of large particles. Results of approbation of the algorithm for inversion of the data of field experiments are presented that demonstrate the feasibility of retrieving the microstructural parameters of coarsely dispersed aerosol fraction when the upper limit of the spectral range decreases from 4 to 1.56 μm.

Citation Download Citation

V. V. Veretennikov and S. S. Men'shchikova "Algorithm of retrieval of aerosol microstructure from sun photometry data based on a hybrid model", Proc. SPIE 9680, 21st International Symposium Atmospheric and Ocean Optics: Atmospheric Physics, 96802I (19 November 2015); https://doi.org/10.1117/12.2205968

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