Articles | Volume 13, issue 11
https://doi.org/10.5194/amt-13-6215-2020
https://doi.org/10.5194/amt-13-6215-2020
Research article
 | 
20 Nov 2020
Research article |  | 20 Nov 2020

Retrieval of daytime mesospheric ozone using OSIRIS observations of O2 (a1Δg) emission

Anqi Li, Chris Z. Roth, Kristell Pérot, Ole Martin Christensen, Adam Bourassa, Doug A. Degenstein, and Donal P. Murtagh

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Cited articles

Baron, P., Ricaud, P., Noë, J. D. L., Eriksson, J. E. P., Merino, F., Ridal, M., and Murtagh, D. P.: Studies for the Odin sub-millimetre radiometer. II. Retrieval methodology, Can. J. Phys., 80, 341–356, https://doi.org/10.1139/p01-150, 2002. a
Bourassa, A.: The characterization and calibration of the OSIRIS infrared imager, Master's Thesis, University of Saskatchewan, 2003. a, b
Bourassa, A. E., Roth, C. Z., Zawada, D. J., Rieger, L. A., McLinden, C. A., and Degenstein, D. A.: Drift-corrected Odin-OSIRIS ozone product: algorithm and updated stratospheric ozone trends, Atmos. Meas. Tech., 11, 489–498, https://doi.org/10.5194/amt-11-489-2018, 2018. a
Brasseur, G. and Solomon, S.: Aeronomy of the Middle Atmosphere, Vol. 53, Springer, the Netherlands, https://doi.org/10.1017/CBO9781107415324.004, 2005. a
Burkholder, J. B., Sander, S. P., Abbatt, J. P. D., Barker, J. R., Huie, R. E., Kolb, C. E., Kurylo, M. J., Orkin, V. L., Wilmouth, D. M., and Wine, P. H.: Chemical Kinetics and Photochemical Data for Use in Atmospheric Studies Evaluation Number 18 NASA Panel for Data Evaluation, Tech. rep., available at: http://jpldataeval.jpl.nasa.gov/ (last access: September 2019), 2015. a
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Short summary
The OSIRIS IR imager, one of the instruments on the Odin satellite, routinely measures the oxygen airglow at 1.27 μm. In this study, we primarily focus on the steps done for retrieving the calibrated IRA band limb radiance, the volume emission rate of O2(a1g) and finally the ozone number density. Specifically, we use a novel approach to address the issue of the measurements that were made close to the local sunrise, where the O2(a1g) diverges from the equilibrium state.
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