Geography, Environment, Sustainability (Jun 2018)

ONLINE INTEGRATED MODELING ON REGIONAL SCALE IN NORTH-WEST RUSSIA: EVALUATION OF AEROSOLS INFLUENCE ON METEOROLOGICAL PARAMETERS

  • Georgy Nerobelov,
  • Margarita Sedeeva,
  • Alexander Mahura,
  • Roman Nuterman,
  • Suleiman Mostamandi,
  • Sergeii Smyshlyaev

DOI
https://doi.org/10.24057/2071-9388-2018-11-2-73-83
Journal volume & issue
Vol. 11, no. 2
pp. 73 – 83

Abstract

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In this study the aerosols influence on selected meteorological parameters during two summer 2010 periods is evaluated with focus on the North-West Russia and urban area of St. Petersburg. For that, the seamless fully online-integrated Enviro-HIRLAM model is used. The simulations are realised in short- and long-term modes for selected periods. For evaluation of aerosol influence, in addition to the control/ reference run, the runs with direct, indirect and both combined aerosol effects are performed.It was found that for the North-West Russia region, the direct aerosol effect had increased air temperature (by 1-3˚) and decreased total cloud cover (by 10-20%). The indirect effect decreased temperature (by 0.4-1˚) and increased cloud cover (by 10-20%). The combined effect was the largest territorially; and such effect both decreased temperature and cloud cover (by 1-3˚ and by 6-20%, respectively) as well as increased these (by 0.4-0.6˚ and 1020%).

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