SPATIAL VARIABILITY OF GROUND-LEVEL OZONE, AEROSOL AND SOLAR UV RADIATION IN SOUTHEAST CRIMEA
Abstract
Specific features of spatial distribution of the ground-level ozone and aerosols in the neighborhood of the Karadag background environmental monitoring station were studied, both in the recreational zones and the anthropogenic pollution zones of the southeast Crimea. Significant ground-level ozone fluctuations (from +15 to –22 g/m3) were detected relative to background values with a noticeable decrease in groundlevel ozone values along the Simferopol highway with intensive traffic and increased ground-level ozone concentrations near the sea shore. The aerosol optical thickness in urban environment (the Koktebel town) was 0,02–0,04 higher than the background values. With the growth of anthropogenic pollution, the increasing Angstrom parameter is observed (up to 0,5 in comparison with background conditions) due to the growth of fine aerosols. Along the shoreline the Angstrom parameter decreases because of the growth of coarse aerosol fraction. Model calculations of radiative transfer, with account of variations in ground-level ozone and aerosol for various points of observations, have shown more important role of aerosol optical thickness fluctuations (up to 5%) in comparison with the changes of ground-level ozone concentrations (up to 1%) for erythemally weighted UV radiation.
About the Authors
V. A. Lapchenko
Karadag Nature Reserve, Russian Academy of Sciences.
Russian Federation
Research Scientist.
Russian Federation
Research Scientist.
N. Ye. Chubarova
Lomonosov Moscow State University.
Russian Federation
Faculty of Geography, Department of Meteorology and Climatology, Professor, D.Sc. in Geography.
Russian Federation
Faculty of Geography, Department of Meteorology and Climatology, Professor, D.Sc. in Geography.
E. Yu. Zhdanova
Lomonosov Moscow State University.
Russian Federation
Faculty of Geography, Department of Meteorology and Climatology, Research Scientist, PhD in Geography.
Russian Federation
Faculty of Geography, Department of Meteorology and Climatology, Research Scientist, PhD in Geography.
V. A. Rozental
Lomonosov Moscow State University.
Russian Federation
Faculty of Geography, Department of Meteorology and Climatology, engineer.
Russian Federation
Faculty of Geography, Department of Meteorology and Climatology, engineer.
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Review
For citations:
Lapchenko V.A., Chubarova N.Ye., Zhdanova E.Yu., Rozental V.A. SPATIAL VARIABILITY OF GROUND-LEVEL OZONE, AEROSOL AND SOLAR UV RADIATION IN SOUTHEAST CRIMEA. Vestnik Moskovskogo universiteta. Seriya 5, Geografiya. 2019;(2):33-44. (In Russ.)
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