Articles | Volume 15, issue 20
https://doi.org/10.5194/acp-15-11861-2015
https://doi.org/10.5194/acp-15-11861-2015
Research article
 | 
26 Oct 2015
Research article |  | 26 Oct 2015

How consistent are top-down hydrocarbon emissions based on formaldehyde observations from GOME-2 and OMI?

T. Stavrakou, J.-F. Müller, M. Bauwens, I. De Smedt, M. Van Roozendael, M. De Mazière, C. Vigouroux, F. Hendrick, M. George, C. Clerbaux, P.-F. Coheur, and A. Guenther

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Short summary
Formaldehyde columns from two space sensors, GOME-2 and OMI, constrain by inverse modeling the global emissions of HCHO precursors in 2010. The resulting biogenic and pyrogenic fluxes from both optimizations show a very good degree of consistency. The isoprene fluxes are reduced globally by ca. 10%, and emissions from fires decrease by ca. 35%, compared to the prior. Anthropogenic emissions are weakly constrained except over China. Sensitivity inversions show robustness of the inferred fluxes.
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