Diurnal, seasonal and long-term variations of global formaldehyde columns inferred from combined OMI and GOME-2 observations

De Smedt, I.; Stavrakou, T.; Hendrick, F.; Danckaert, T.; Vlemmix, T.; Pinardi, G.; Theys, N.; Lerot, C.; Gielen, C.; Vigouroux, C.; Hermans, C.; Fayt, C.; Veefkind, P.; Müller, J.-F.; Van Roozendael, M.

doi:https://doi.org/10.5194/acp-15-12519-2015

Articles | Volume 15, issue 21

https://doi.org/10.5194/acp-15-12519-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

Ten years of Ozone Monitoring Instrument (OMI) observations...

https://doi.org/10.5194/acp-15-12519-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 15, issue 21

Research article

|

10 Nov 2015

Research article |

| 10 Nov 2015

Diurnal, seasonal and long-term variations of global formaldehyde columns inferred from combined OMI and GOME-2 observations

I. De Smedt, T. Stavrakou, F. Hendrick, T. Danckaert, T. Vlemmix, G. Pinardi, N. Theys, C. Lerot, C. Gielen, C. Vigouroux, C. Hermans, C. Fayt, P. Veefkind, J.-F. Müller, and M. Van Roozendael

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Final revised paper (published on 10 Nov 2015)
Preprint (discussion started on 23 Apr 2015)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC C2131: 'Review of Smedt et al., “Diurnal, seasonal and long-term variations of global formaldehyde columns inferred from combined OMI and GOME-2 observations”', Anonymous Referee #1, 30 Apr 2015
- AC C8300: 'response to review', Isabelle De Smedt, 21 Oct 2015
RC C2808: 'Review of De Smedt et al., [2015] ACPD', Anonymous Referee #2, 21 May 2015
- AC C8301: 'response to review', Isabelle De Smedt, 21 Oct 2015

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Isabelle De Smedt on behalf of the Authors (21 Oct 2015) Author's response Manuscript

ED: Publish as is (23 Oct 2015) by Thomas von Clarmann (deceased)

AR by Isabelle De Smedt on behalf of the Authors (23 Oct 2015)

Short summary

We present the new version of the BIRA-IASB algorithm for the retrieval of H2CO columns from OMI and GOME-2A and B measurements. Validation results at seven stations in Europe, China and Africa confirm the capacity of the satellite measurements to resolve diurnal variations in H2CO columns. Furthermore, vertical profiles derived from MAX-DOAS measurements in Beijing and in Bujumbura are used for a more detailed validation exercise. Finally trends are estimated using 10 years of OMI observations.