Articles | Volume 12, issue 2
https://doi.org/10.5194/gmd-12-849-2019
https://doi.org/10.5194/gmd-12-849-2019
Development and technical paper
 | 
27 Feb 2019
Development and technical paper |  | 27 Feb 2019

Mechanistic representation of soil nitrogen emissions in the Community Multiscale Air Quality (CMAQ) model v 5.1

Quazi Z. Rasool, Jesse O. Bash, and Daniel S. Cohan

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Short summary
Soils have been overlooked as a source of reactive nitrogen (N) emissions that are pronounced in the summer ozone season (growing season) and increasingly important as fertilizer use grows, while fossil fuel combustion sources of N decline. Mechanistic process models of soil N emissions are used in Earth science and soil biogeochemical modeling on a site scale. This work mechanistically models soil N emissions for the first time on a regional scale to better understand their air quality impacts.
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