Evaluation of the consistency of OMI-TOMS total ozone with collocated ground-based measurements

Mingliang Ma, Runhe Shi, Kaixu Bai, Chaoshun Liu, Wei Gao, Zhibin Sun

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

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.

Original languageEnglish
Title of host publicationRemote Sensing and Modeling of Ecosystems for Sustainability XIII
EditorsWei Gao, Ni-Bin Chang
PublisherSPIE
ISBN (Electronic)9781510603417
DOIs
StatePublished - 2016
EventRemote Sensing and Modeling of Ecosystems for Sustainability XIII - San Diego, United States
Duration: 31 Aug 2016 → …

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume9975
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceRemote Sensing and Modeling of Ecosystems for Sustainability XIII
Country/TerritoryUnited States
CitySan Diego
Period31/08/16 → …

Keywords

  • Dobson
  • OMI-TOMS
  • Stability
  • Total Ozone Column
  • Validation

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