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Atmospheric and Oceanic Optics

2017 year, number 8

Interannual variability of aerosol microstructure parameters retrieved from the data of solar photometry in Tomsk

V.V. Veretennikov
V.E. Zuev Institute of Atmospheric Optics of Siberian Branch of the Russian Academy of Science, 1, Academician Zuev square, Tomsk, 634021, Russia
Keywords: аэрозольная оптическая толщина, микроструктура аэрозоля, обратные задачи, aerosol optical thickness, aerosol microstructure, inverse problems

Abstract

Results of investigations of the time variability of aerosol microstructure parameters retrieved by inversion of spectral measurements of the aerosol optical depth (АОD) are presented. The input data were obtained at the IAO SB RAS using solar photometers of SP type in the observation periods 2003-2006 and 2011-2014. During the first period of measurement, the АОD was measured at 13 wavelengths in the range 0.37-4 mm. In the second observation period, the upper limit of the spectral range of measurements was 2.14 mm. The total volume of the data processed included over 7000 hourly average spectra. The geometric aerosol cross section, volume concentration, and average particle radius are analyzed.