Articles | Volume 8, issue 6
Development and technical paper
30 Jun 2015
Development and technical paper |  | 30 Jun 2015

Integration of prognostic aerosol–cloud interactions in a chemistry transport model coupled offline to a regional climate model

M. A. Thomas, M. Kahnert, C. Andersson, H. Kokkola, U. Hansson, C. Jones, J. Langner, and A. Devasthale

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Cited articles

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Andersson, C., Bergström, R., Bennet, C., Thomas, M., Robertson, L., Kokkola, H., Korhonen, H., and Lehtinen, K.: MATCH-SALSA: Multi-scale Atmospheric Transport and Chemistry model coupled to the SALSA aerosol microphysics model, SMHI RMK Report no 115, available at: (last access: 26 June 2015), 2013.
Andersson, C., Bergström, R., Bennet, C., Robertson, L., Thomas, M., Korhonen, H., Lehtinen, K. E. J., and Kokkola, H.: MATCH-SALSA – Multi-scale Atmospheric Transport and CHemistry model coupled to the SALSA aerosol microphysics model – Part 1: Model description and evaluation, Geosci. Model Dev., 8, 171–189,, 2015.
Short summary
We have showed that a coupled modelling system is beneficial in the sense that more complex processes can be included to better represent the aerosol processes starting from their formation, their interactions with clouds and provide better estimate of radiative forcing. Using this model set up, we estimated an annual mean 'indirect' radiative forcing of -0.64W/m2. This means that aerosols, solely by their capability of altering the microphysical properties of clouds can cool the Earth system.