Articles | Volume 14, issue 21
Atmos. Chem. Phys., 14, 11657–11686, 2014
https://doi.org/10.5194/acp-14-11657-2014
Atmos. Chem. Phys., 14, 11657–11686, 2014
https://doi.org/10.5194/acp-14-11657-2014

Research article 06 Nov 2014

Research article | 06 Nov 2014

A pathway analysis of global aerosol processes

N. A. J. Schutgens and P. Stier

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The complexity of the physical and chemical processes effectively turns global aerosol models into black boxes. In an attempt to lift the veil, we present a detailed budget of process contributions (emissions, nucleation, sulfate condensation, coagulation, aging, deposition) in ECHAM5.5-HAM2 across varying length- and timescales. We show a clear hierarchy exists in process importance, that can be used in improving and simplifying the model and for understanding discrepancies with observation.
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