18 December 1995 Intercomparison of NOAA-TOVS satellite based retrievals for total ozone column with ground based Brewer and Saoz spectrometer retrievals
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Abstract
Ground based total ozone column retrievals have been compared with NOAA satellite based total ozone column retrievals. The ground based retrievals were references in the intercomparison. For ground based retrievals Brewer and SAOZ retrievals are used. Brewer retrievals were used as references from March to September and SAOZ retrievals were used as references from October to February. The NOAA satellite based retrievals are CNRM, ITPP3 and NOAA/NESDIS retrievals. The NOAA satellite based retrievals have been used throughout the whole year in the intercomparison study. The intercomparison between satellite based and ground based retrievals has been carried out for the years 1993 and 1994, for the near polar location of Sodankyla (67.4N, 26.6E). Relative biases and correlations have been calculated between the satellite based and ground based retrievals. A seasonal variation in relative biases between the ground based and satellite based retrievals can be seen. For October to February the relative biases are with regard to the SAOZ references: 1.5% for CNRM, 5.3% for ITPP3 and 3.7% for NOAA/NESDIS retrievals. For March to September the relative biases are with regard to the Brewer references: 4.2% for CNRM, 17.0% for ITPP3 and 7.0% for NOAA/NESDIS retrievals. Relative biases between ITPP5 satellite based retrievals and the ground based retrievals have been included in figures for some months.
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Luitje Jan Dijkhuis, Luitje Jan Dijkhuis, Petteri Taalas, Petteri Taalas, "Intercomparison of NOAA-TOVS satellite based retrievals for total ozone column with ground based Brewer and Saoz spectrometer retrievals", Proc. SPIE 2586, Global Process Monitoring and Remote Sensing of the Ocean and Sea Ice, (18 December 1995); doi: 10.1117/12.228631; https://doi.org/10.1117/12.228631
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