19 September 2016 Evaluation of the consistency of OMI-TOMS total ozone with collocated ground-based measurements
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As Ozone Monitoring Instrument (OMI) onboard the Aura satellite has provided global scale ozone measurements on a daily basis since 2004, the long-term stability and consistency of ozone retrievals is thus of critical importance, especially for the ozone recovery assessment. This study aims to evaluate the long-term stability of total ozone derived from the OMI Total Ozone Mapping Spectrometer (OMI-TOMS) algorithm, by comparing with collocated ground-based total ozone measurements recorded from 42Dobson spectrophotometers during the period 2004-2015. It is indicative that the OMI-TOMS total ozone is in good agreement with collocated ground-based measurements, with a R2 of 0.96 and root mean square error (RMSE) of 3.3%. Further investigations show that the OMI-TOMS total ozone is of quality, as no significant latitude dependence is observed. In the past 12 years, the OMI-TOMS total ozone is highly consistent with the ground-based Dobson total ozone, with a variation of mean relative difference less than 1%. In general, the OMI-TOMS total ozone performs well and can be used with confidence.
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Mingliang Ma, Mingliang Ma, Runhe Shi, Runhe Shi, Kaixu Bai, Kaixu Bai, Chaoshun Liu, Chaoshun Liu, Wei Gao, Wei Gao, Zhibin Sun, Zhibin Sun, "Evaluation of the consistency of OMI-TOMS total ozone with collocated ground-based measurements", Proc. SPIE 9975, Remote Sensing and Modeling of Ecosystems for Sustainability XIII, 99750W (19 September 2016); doi: 10.1117/12.2238604; https://doi.org/10.1117/12.2238604

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