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Volume 18, issue 14 | Copyright

Special issue: Quadrennial Ozone Symposium 2016 – Status and trends...

Atmos. Chem. Phys., 18, 10347-10353, 2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 19 Jul 2018

Research article | 19 Jul 2018

EuBrewNet – A European Brewer network (COST Action ES1207), an overview

John S. Rimmer1, Alberto Redondas2, and Tomi Karppinen3 John S. Rimmer et al.
  • 1School of Earth and Environmental Sciences, University of Manchester, Manchester, M13 9PL, UK
  • 2Izaña Atmospheric Research Center, Agencia Estatal de Meteorología, Tenerife, Spain
  • 3Finnish Meteorological Institute, Arctic Research Center, Finland

Abstract. COST Action ES1207, EuBrewNet, was proposed to coordinate Brewer spectrophotometer measurements of ozone, spectral UV and aerosol optical depth (AOD-UV) in the UV within Europe, and unite the ozone, UV and AOD communities, through a formally managed European Brewer Network capable of delivering a consistent, spatially homogeneous European data resource. With emphasis on the ozone measurements, an overview is given of new calibration and instrument characterization procedures, which are then incorporated into new algorithms for the determination of total column ozone taking account of non-linearities and stray light effects within the spectrometer. A new near real time database is described where all raw data are processed centrally and subjected to the same quality control criteria. Data products are produced in levels that reflect the stages of quality control applied from initial near real time to final archive quality for trend analysis. Work is ongoing to complete similar procedures for the UV and AOD-UV data products. Governance of the new network, which has already expanded beyond the boundaries of Europe, will be overseen directly by the WMO Scientific Advisory Groups.

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The Vienna Convention to Protect the Ozone Layer was signed in 1985 to promote research and information exchange on the science of ozone depletion including monitoring of total ozone column and spectrally resolved solar ultraviolet radiation. This is a global challenge and, as such, all efforts to gather data should be consistent. This work has resulted in a framework for all Brewer Ozone spectrophotometers to provide data in a consistent way in terms of calibration and quality assurance.
The Vienna Convention to Protect the Ozone Layer was signed in 1985 to promote research and...