Articles | Volume 15, issue 21
https://doi.org/10.5194/acp-15-12465-2015
https://doi.org/10.5194/acp-15-12465-2015
Research article
 | 
10 Nov 2015
Research article |  | 10 Nov 2015

Comparison of the CMAM30 data set with ACE-FTS and OSIRIS: polar regions

D. Pendlebury, D. Plummer, J. Scinocca, P. Sheese, K. Strong, K. Walker, and D. Degenstein

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Short summary
The CMAM30 data set takes a chemistry-climate model and relaxes the dynamics to reanalysis, which can then provide chemistry fields not available from the reanalysis data set. This paper addresses this gap by comparing temperature, water vapour, ozone and methane to satellite data to determine and document any biases in the model fields. The lack of ozone destruction and dehydration in the SH polar vortex is shown to be due to the treatment of polar stratosphere clouds in the model.
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