Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 15, issue 15
Articles | Volume 15, issue 15
https://doi.org/10.5194/acp-15-8717-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-15-8717-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 15, issue 15
Research article
 | 
07 Aug 2015
Research article |  | 07 Aug 2015

Prognostic precipitation with three liquid water classes in the ECHAM5–HAM GCM

V. Sant, R. Posselt, and U. Lohmann

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Short summary
We have introduced prognostic precipitation for both liquid (drizzle and rain) and solid (snow) phase precipitation into the global circulation model ECHAM5-HAM. This has a significant effect on the clouds and the parameterized collection rates, also reducing the sensitivity of the liquid water path to the anthropogenic aerosol forcing. Altogether the results suggest that the treatment of precipitation in global circulation models has a significant influence on the phase and lifetime of clouds.
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