M. S. Artamonova, M. A. Iordanskii, O. G. Chkhetiani, V. A. Lapchenko, L. O. Maksimenkov
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Characteristics of Aerosol Distribution and Composition in Southeastern Crimea in Spring 2020
Results of experimental studies of aerosol in the surface air layer in the southeastern part of the Crimean Peninsula at the background environmental monitoring Vyazemsky Karadag Scientific Station from March 21 to June 17, 2020, are presented. The daily average mass concentration of aerosol ranged from 3 to 35 μg/m3 over the measurement period, with an average value of 13 μg/m3. The exception are high concentrations during the episode of March 25–27, 2020 (48, 195, and 49 μg/m3, respectively), when an extreme eastward transfer from sources in Kazakhstan (a dust storm in the region of the Aral Sea) through Kalmykia to the Crimea took place. Accounting this episode, the daily average mass concentration of aerosol was 16 μg/m3. Days with different directions of airmass arrival and days with the highest daily average mass concentrations of aerosol are distinguished out of 89 observation days. For this set (31 samples), the concentrations of 64 chemical elements in the samples are determined. Accumulation of chemical elements in soil and in aerosol particles is estimated; the clarkes of concentrations of chemical elements in soil, aerosol concentration coefficients, and enrichment factors of chemical elements in aerosols are calculated. The dependences of the mass concentration, size distribution, and elemental composition of the surface aerosol on long-range aerosol transport are considered.
期刊介绍：
Atmospheric and Oceanic Optics is an international peer reviewed journal that presents experimental and theoretical articles relevant to a wide range of problems of atmospheric and oceanic optics, ecology, and climate. The journal coverage includes: scattering and transfer of optical waves, spectroscopy of atmospheric gases, turbulent and nonlinear optical phenomena, adaptive optics, remote (ground-based, airborne, and spaceborne) sensing of the atmosphere and the surface, methods for solving of inverse problems, new equipment for optical investigations, development of computer programs and databases for optical studies. Thematic issues are devoted to the studies of atmospheric ozone, adaptive, nonlinear, and coherent optics, regional climate and environmental monitoring, and other subjects.
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