Clear-Sky Radiative And Temperature Effects Of Different Aerosol Climatologies In The Cosmo Modelстатья
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Дата последнего поиска статьи во внешних источниках: 4 октября 2018 г.
Аннотация: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 for Moscow conditions 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 at 2 meters to the net
radiation changes of about 1°C per 100 Wm-2 due to aerosol has been evaluated, which
approximately is around -0.2 – -0.3°C, when accounting for real aerosol properties.