Ground-based direct-sun DOAS and airborne MAX-DOAS measurements of the collision-induced oxygen complex, O<sub>2</sub>O<sub>2</sub>, absorption with significant pressure and temperature differences

Spinei, E.; Cede, A.; Herman, J.; Mount, G. H.; Eloranta, E.; Morley, B.; Baidar, S.; Dix, B.; Ortega, I.; Koenig, T.; Volkamer, R.

doi:https://doi.org/10.5194/amt-8-793-2015

Articles | Volume 8, issue 2

https://doi.org/10.5194/amt-8-793-2015

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

Special issue:

Marine trace gases and aerosols over tropical oceans (AMT/ACP...

https://doi.org/10.5194/amt-8-793-2015

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

Articles | Volume 8, issue 2

Research article

|

18 Feb 2015

Research article |

| 18 Feb 2015

Ground-based direct-sun DOAS and airborne MAX-DOAS measurements of the collision-induced oxygen complex, O₂O₂, absorption with significant pressure and temperature differences

E. Spinei, A. Cede, J. Herman, G. H. Mount, E. Eloranta, B. Morley, S. Baidar, B. Dix, I. Ortega, T. Koenig, and R. Volkamer

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Final revised paper (published on 18 Feb 2015)
Preprint (discussion started on 26 Sep 2014)

Interactive discussion

Status: closed

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

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RC C3301: 'Review', Anonymous Referee #1, 22 Oct 2014
- AC C4270: 'Response to referee 1 comments on “Direct sun and airborne MAX-DOAS measurements of the collision induced oxygen complex, O2O2, absorption with significant pressure and temperature differences”.', Elena Spinei, 19 Dec 2014
RC C3990: 'Review report for AMT-2014-228', Anonymous Referee #2, 01 Dec 2014
- AC C4283: 'Response to referee 2 comments on “Direct sun and airborne MAX-DOAS measurements of the collision induced oxygen complex, O2O2, absorption with significant pressure and temperature differences”.', Elena Spinei, 19 Dec 2014

Short summary

This paper presents ground-based direct-sun and airborne multi-axis DOAS measurements of O2O2 absorption optical depths under atmospheric conditions in two wavelength regions (335-–390nm and 435--490nm). Our results show that laboratory-measured σ(O2O2) is applicable for observations over a wide range of atmospheric conditions. Temperature dependence of σ(O2O2) is about 9±2.5% from 231K to 275K.

Ground-based direct-sun DOAS and airborne MAX-DOAS measurements of the collision-induced oxygen complex, O2O2, absorption with significant pressure and temperature differences

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Interactive discussion

Ground-based direct-sun DOAS and airborne MAX-DOAS measurements of the collision-induced oxygen complex, O₂O₂, absorption with significant pressure and temperature differences