Articles | Volume 10, issue 8
Model evaluation paper
17 Aug 2017
Model evaluation paper |  | 17 Aug 2017

The TOMCAT global chemical transport model v1.6: description of chemical mechanism and model evaluation

Sarah A. Monks, Stephen R. Arnold, Michael J. Hollaway, Richard J. Pope, Chris Wilson, Wuhu Feng, Kathryn M. Emmerson, Brian J. Kerridge, Barry L. Latter, Georgina M. Miles, Richard Siddans, and Martyn P. Chipperfield


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Latest update: 11 Dec 2023
Short summary
The TOMCAT chemical transport model has been updated with the chemical degradation of ethene, propene, toluene, butane and monoterpenes. The tropospheric chemical mechanism is documented and the model is evaluated against surface, balloon, aircraft and satellite data. The model is generally able to capture the main spatial and seasonal features of carbon monoxide, ozone, volatile organic compounds and reactive nitrogen. However, some model biases are found that require further investigation.