Articles | Volume 9, issue 9
Atmos. Meas. Tech., 9, 4521–4531, 2016
https://doi.org/10.5194/amt-9-4521-2016

Special issue: Ten years of Ozone Monitoring Instrument (OMI) observations...

Atmos. Meas. Tech., 9, 4521–4531, 2016
https://doi.org/10.5194/amt-9-4521-2016

Research article 13 Sep 2016

Research article | 13 Sep 2016

Improvement of OMI ozone profile retrievals by simultaneously fitting polar mesospheric clouds

Juseon Bak et al.

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Short summary
The main focus of this paper is improving an error of OMI nadir ozone profile retrievals due to the presence of polar mesospheric clouds (PMCs), consisting of small light-scattering particles at an altitude of 80–85 km. This error is shown to be systematic bias from ~ −2 at 2 hPa to ~ −20 % at 0.5 hPa and significantly correlated with brightness of PMCs. We reduce this interference of PMCs on ozone retrievals by including the PMC optical depth in the forward-model calculation and retrieval.