Articles | Volume 18, issue 20
Atmos. Chem. Phys., 18, 15017–15046, 2018
https://doi.org/10.5194/acp-18-15017-2018
Atmos. Chem. Phys., 18, 15017–15046, 2018
https://doi.org/10.5194/acp-18-15017-2018

Research article 19 Oct 2018

Research article | 19 Oct 2018

Adjoint inversion of Chinese non-methane volatile organic compound emissions using space-based observations of formaldehyde and glyoxal

Hansen Cao et al.

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Short summary
Our top-down estimates for annual total Chinese NMVOC emissions was 30.7 to 49.5 Tg y−1, including 16.4 to 23.6 Tg y−1 from anthropogenic sources, 12.2 to 22.8 Tg y−1 from biogenic sources, and 2.08 to 3.13 Tg y−1 from biomass burning. Our four inversions consistently showed that the emissions of Chinese anthropogenic NMVOC precursors of glyoxal were larger than the a priori estimates. The glyoxal and formaldehyde constraints helped distinguish the NMVOC species from different sources.
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