the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Tropospheric ozone column dataset from OMPS-LP/OMPS-NM limb-nadir matching
Andrea Orfanoz-Cheuquelaf
Carlo Arosio
Alexei Rozanov
Mark Weber
Annette Ladstätter-Weißenmayer
John P. Burrows
Anne M. Thompson
Ryan M. Stauffer
Debra E. Kollonige
Abstract. A Tropospheric Ozone Column (TrOC) dataset from the Ozone Mapping and Profiler Suite (OMPS) observations was generated by combining the retrieved total ozone column from OMPS - Nadir Mapper (OMPS-NM) and limb profiles from OMPS - Limb Profiler (OMPS-LP) data. All datasets were generated at the University of Bremen, and the TrOC product was obtained by applying the Limb-Nadir Matching technique (LNM). The retrieval algorithm and a comprehensive analysis of the uncertainty budget are presented here. The OMPS-LNM-TrOC dataset (2012–2018) is analysed and validated by comparing with ozonesondes, tropospheric ozone residual (TOR) data from the combined Ozone Monitoring Instrument/Microwave Limb Sounder (OMI/MLS) observations, and the TROPOspheric Monitoring Instrument (TROPOMI) Convective Cloud Differential technique (CCD) dataset. The OMPS-LNM TrOC is generally lower than the other datasets. The average bias with respect to ozonesondes is −1.7 DU with no significant latitudinal dependence identified. The mean difference with respect to OMI/MLS TOR and TROPOMI CCD is −3.4 and −1.8 DU, respectively. The seasonality and inter-annual variability are in good agreement with all comparison datasets.
Andrea Orfanoz-Cheuquelaf et al.
Status: open (until 26 Jun 2023)
Andrea Orfanoz-Cheuquelaf et al.
Andrea Orfanoz-Cheuquelaf et al.
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