Articles | Volume 16, issue 9
Atmos. Chem. Phys., 16, 5641–5663, 2016
Atmos. Chem. Phys., 16, 5641–5663, 2016

Research article 09 May 2016

Research article | 09 May 2016

Evaluation of UTLS carbon monoxide simulations in GMI and GEOS-Chem chemical transport models using Aura MLS observations

Lei Huang et al.

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Short summary
This study evaluates the distribution and variation of carbon monoxide (CO) in the upper troposphere and lower stratosphere (UTLS) during 2004–2012 on global and regional scales as simulated by two chemical transport models (GMI and GEOS-Chem), using the latest version (V4) of Aura Microwave Limb Sounder (MLS) observations. The impacts of surface emissions and convection on CO concentrations in the UTLS over different regions are investigated, using both model simulations and MLS observations.
Final-revised paper