ISSN 2070-7401 (Print), ISSN 2411-0280 (Online)
Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa
CURRENT PROBLEMS IN REMOTE SENSING OF THE EARTH FROM SPACE

  

Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2018, Vol. 15, No. 2, pp. 225-234

Comparison of ground and satellite monitoring of aerosol optical thickness of the atmosphere in Russia

I.N. Plakhina 1 , N.V. Pankratova 1 , E.L. Makhotkina 2 
1 A. M. Obukhov Institute of Atmospheric Physics RAS, Moscow, Russia
2 Main Geophysical Observatory, St. Petersburg, Russia
Accepted: 31.12.2017
DOI: 10.21046/2070-7401-2018-15-2-225-234
Aerosol measurements are carried out around the world in order to determine their impact on the Earth’s radiation balance, on regional and global climate changes. Aerosols are small solid particles or droplets of liquid suspended in air, the diameter of which varies from a few nanometers to several tens of micrometers. They vary in size, shape, composition and lifetime in the atmosphere. There are different approaches to measuring aerosols, for example, ground or satellite observations. In this study, we combine the satellite measurements obtained with the Moderate Resolution Imaging SpectroRadiometer (MODIS), the ground-based observations of the Russian actinometric network and the data from the stations of the world aerosolized aerosol network (AERONET) to compare the aerosol optical depth (AOD) at 550 nm. Studies were conducted for the territory of Russia as a whole, as well as for individual regions: the European territory of Russia, the Far East, the Baikal region. Based on the results of the analysis of synchronized series of daily AOD values, a significant range of data is revealed, while the average multi-year AOD values for the three observing methods are close in both magnitude and range of variations.
Keywords: aerosol optical depth, actinometric network of Russia, AERONET, MODIS
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