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CLEAR-SKY RADIATIVE AND TEMPERATURE EFFECTS OF DIFFERENT AEROSOL CLIMATOLOGIES IN THE COSMO MODEL

https://doi.org/10.24057/2071-9388-2018-11-1-74-84

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Abstract

We estimated the effects of the different aerosol climatologies in the COSMO mesoscale atmospheric model using long-term aerosol measurements and the accurate global solar irradiance observations at ground at the Moscow State University Meteorological Observatory (Russia) and Lindenberg Observatory (Germany) in clear sky conditions. The differences in aerosol properties have been detected especially during winter months. There is a better agreement of MACv2 aerosol climatology with measurements forMoscowconditions compared with Tegen aerosol climatology. However, we still have a systematical negative bias of about 2-3% in global solar irradiance at ground for both sites. A noticeable sensitivity of air temperature at2 metersto the net radiation changes of about1°Cper 100 Wm-2 due to aerosol has been evaluated, which approximately is around -0.2 – -0.3°C, when accounting for real aerosol properties.

About the Authors

Natalia Chubarova
Lomonosov Moscow State University
Russian Federation
Natalia Chubarova is a professor at the Department of Meteorology and Climatology, Faculty of Geography.


Aleksei Poliukhov
Lomonosov Moscow State University; Hydrometeorological Centre of Russia
Russian Federation
Aleksei Poliukhov is a PD student at the Faculty of Geography of Moscow State University.


Marina Shatunova
Hydrometeorological Centre of Russia
Russian Federation
Marina Shatunova is a Leading Researcher at Laboratory of limited area NWP of Hydrometeorological.


Gdaliy Rivin
Lomonosov Moscow State University; Hydrometeorological Centre of Russia
Russian Federation
Gdaliy Rivin is a professor at the Department of Meteorology and Climatology, Faculty of Geography of Moscow State University and Head of Numerical Weather Forecasts Laboratory, Hydrometcenter of Russia.


Ralf Becker
Deutscher Wetterdienst, Meteorologisches Observatorium Lindenberg/Mark
Germany
Ralf Becker is a scientist at the Meteorological Observatory Lindenberg of German Weather Service.


Stefan Kinne
Max Planck Institute for Meteorology
Germany
Stefan Kinne is a scientist at the Max-Planck Institute for Meteorology in Hamburg Germany.


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For citation:


Chubarova N., Poliukhov A., Shatunova M., Rivin G., Becker R., Kinne S. CLEAR-SKY RADIATIVE AND TEMPERATURE EFFECTS OF DIFFERENT AEROSOL CLIMATOLOGIES IN THE COSMO MODEL. GEOGRAPHY, ENVIRONMENT, SUSTAINABILITY. 2018;11(1):74-84. https://doi.org/10.24057/2071-9388-2018-11-1-74-84

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ISSN 2071-9388 (Print)
ISSN 2542-1565 (Online)