Tropospheric nitrogen dioxide column retrieval from ground-based zenith–sky DOAS observations

Tack, F.; Hendrick, F.; Goutail, F.; Fayt, C.; Merlaud, A.; Pinardi, G.; Hermans, C.; Pommereau, J.-P.; Van Roozendael, M.

doi:https://doi.org/10.5194/amt-8-2417-2015

Articles | Volume 8, issue 6

https://doi.org/10.5194/amt-8-2417-2015

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

https://doi.org/10.5194/amt-8-2417-2015

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

Articles | Volume 8, issue 6

Research article

|

10 Jun 2015

Research article |

| 10 Jun 2015

Tropospheric nitrogen dioxide column retrieval from ground-based zenith–sky DOAS observations

F. Tack, F. Hendrick, F. Goutail, C. Fayt, A. Merlaud, G. Pinardi, C. Hermans, J.-P. Pommereau, and M. Van Roozendael

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Final revised paper (published on 10 Jun 2015)
Preprint (discussion started on 26 Jan 2015)

Interactive discussion

Status: closed

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

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- Supplement

RC C117: 'A review to amt-2014-410', Anonymous Referee #1, 17 Feb 2015
- AC C878: 'AMT-2014-410-C117', Frederik Tack, 28 Apr 2015
RC C230: 'Review of Tropospheric nitrogen dioxide column retrieval from ground-based zenith-sky DOAS observations', Anonymous Referee #2, 02 Mar 2015
- AC C879: 'AMT-2014-410-C230', Frederik Tack, 28 Apr 2015

Short summary

An algorithm is presented for retrieving tropospheric NO2 vertical column densities from ground-based zenith-sky (ZS) measurements of scattered sunlight. The different steps are fully characterized and recommendations are given for each of them. The retrieval algorithm is applied on a 2-month ZS data set acquired during the CINDI campaign and on a 2-year data set acquired at the OHP NDACC station. The error budget assessment indicates that the overall error on the column values is less than 28%.