Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 16, issue 6
Articles | Volume 16, issue 6
https://doi.org/10.5194/acp-16-4171-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-16-4171-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 16, issue 6
Research article
 | 
31 Mar 2016
Research article |  | 31 Mar 2016

Diurnal cycle and multi-decadal trend of formaldehyde in the remote atmosphere near 46° N

Bruno Franco, Eloise A. Marais, Benoît Bovy, Whitney Bader, Bernard Lejeune, Ginette Roland, Christian Servais, and Emmanuel Mahieu

Supplement

https://doi.org/10.5194/acp-16-4171-2016-supplement

Data sets

REanalysis of the TROpospheric Chemical Composition Over the Past 40 years Van het Bolscher, M., Pereira, J., Spessa, A., Dalsoren, S., van Nojie, T., and Szopa, S. http://gcmd.gsfc.nasa.gov/records/GCMD_GEIA_RETRO.html

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Short summary
The long-term evolution of HCHO in the remote troposphere is characterized using a 27-year time series of total columns from high-resolution FTIR solar spectra recorded at Jungfraujoch. A parametric model is used to remove the effect of the HCHO diurnal variations for improving the trend determination and the comparison with columns simulated by GEOS-Chem. Sensitivity tests are performed to identify the main drivers of the HCHO seasonal and inter-annual variations, as well as their contribution.
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