Articles | Volume 11, issue 1
Geosci. Model Dev., 11, 305–319, 2018
https://doi.org/10.5194/gmd-11-305-2018
Geosci. Model Dev., 11, 305–319, 2018
https://doi.org/10.5194/gmd-11-305-2018

Development and technical paper 23 Jan 2018

Development and technical paper | 23 Jan 2018

Errors and improvements in the use of archived meteorological data for chemical transport modeling: an analysis using GEOS-Chem v11-01 driven by GEOS-5 meteorology

Karen Yu et al.

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Latest update: 06 Mar 2021
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Short summary
Global simulations of atmospheric chemistry are generally conducted with off-line chemical transport models (CTMs) driven by archived meteorological data from general circulation models (GCMs). The off-line approach has the advantages of simplicity and expediency, but it is unable to reproduce the GCM transport exactly. We investigate the cascade of errors associated with the off-line approach using the GEOS-5 GCM and GEOS-Chem CTM and discuss improvements in the use of archived meteorology.