Articles | Volume 10, issue 12
https://doi.org/10.5194/amt-10-4697-2017
https://doi.org/10.5194/amt-10-4697-2017
Research article
 | 
05 Dec 2017
Research article |  | 05 Dec 2017

A more representative “best representative value” for daily total column ozone reporting

Andrew R. D. Smedley, John S. Rimmer, and Ann R. Webb

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Short summary
Long-term trends of total column ozone and assessments of its recovery are underpinned by daily “best representative values” from Brewer spectrophotometers and other ground-based instruments. However, the current calculation of these best representative values often rejects otherwise useful data and has deficiencies during partly cloudy days. We propose a new methodology that takes into account all valid data and accounts for unevenly spaced observations and their uncertainties.