Articles | Volume 10, issue 4
Geosci. Model Dev., 10, 1587–1605, 2017
https://doi.org/10.5194/gmd-10-1587-2017
Geosci. Model Dev., 10, 1587–1605, 2017
https://doi.org/10.5194/gmd-10-1587-2017

Development and technical paper 13 Apr 2017

Development and technical paper | 13 Apr 2017

A framework for expanding aqueous chemistry in the Community Multiscale Air Quality (CMAQ) model version 5.1

Kathleen M. Fahey et al.

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Cited articles

Audiffren, N., Chaumerliac, N., and Renard, M.: Effects of a polydisperse cloud on tropospheric chemistry, J. Geophys. Res., 101, 25949–25965, https://doi.org/10.1029/96JD01548, 1996.
Audiffren, N., Renard, M., Buisson, E., and Chaumerliac, N.: Deviations from the Henry's law equilibrium approach of the mass transfer between phases and its specific numerical effects, Atmos. Res., 49, 139–161, https://doi.org/10.1016/S0169-8095(98)00072-6, 1998.
Baek, J., Saide, P., Carmichael, G. R., Carlton, A. G., Carlson, J., and Stanier, C. O.: Developing Forward and Adjoint Aqueous Chemistry Module for CMAQ with Kinetic PreProcessor, 10th Annual CMAS Conference, Chapel Hill, NC, 24–26 October, 2011.
Barth, M. C., Stuart, A. L., and Skamarock, W. C.: Numerical simulations of the July 10, 1996, stratospheric-tropospheric experiment: radiation, aerosols, and ozone (STERAO)-deep convection experiment storm: redistribution of soluble tracers, J. Geophys. Res., 106, 12381–12400, https://doi.org/10.1029/2001JD900139, 2001.
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Short summary
Chemical transport models (CTMs) are a crucial tool in understanding links between emissions, air quality, and climate. Only a simple description of cloud chemistry has been implemented in many of these; however, clouds play a major role in the physicochemical processing of atmospheric species. In CMAQ, EPA’s widely used CTM, the cloud code is limited to the treatment of simple chemistry. We update CMAQ clouds to consider additional chemistry and then examine regional impacts of these updates.