Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 17, issue 12
Articles | Volume 17, issue 12
https://doi.org/10.5194/acp-17-7605-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/acp-17-7605-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 17, issue 12
Research article
 | 
22 Jun 2017
Research article |  | 22 Jun 2017

Four-dimensional variational inversion of black carbon emissions during ARCTAS-CARB with WRFDA-Chem

Jonathan J. Guerrette and Daven K. Henze

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Short summary
This work describes the implementation and application of a new advanced tool, WRFDA-Chem, for top-down constraints of regional atmospheric chemical emissions. Aircraft and surface observations of black carbon are traced to anthropogenic and biomass burning sources in California during ARCTAS-CARB. The information content of the observations is quantified through variance reduction and degrees of freedom of signal, which can be used to assess observing strategies and emission inventories.
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