Articles | Volume 17, issue 16
https://doi.org/10.5194/acp-17-10071-2017
https://doi.org/10.5194/acp-17-10071-2017
Research article
 | 
29 Aug 2017
Research article |  | 29 Aug 2017

Global deposition of total reactive nitrogen oxides from 1996 to 2014 constrained with satellite observations of NO2 columns

Jeffrey A. Geddes and Randall V. Martin

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Short summary
We use observations of nitrogen dioxide columns from multiple satellite instruments with the help of a chemical transport model to constrain the global deposition of reactive nitrogen oxides (NOy) over the last 2 decades. NOy deposition decreased by up to 60 % in eastern North America, doubled in regions of East Asia, and declined by 20 % in parts of Western Europe. We also find changes in the export of NOy via atmospheric transport, with direct impacts on countries downwind of source regions.
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