Articles | Volume 11, issue 4
Atmos. Meas. Tech., 11, 1989–1999, 2018
https://doi.org/10.5194/amt-11-1989-2018

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

Atmos. Meas. Tech., 11, 1989–1999, 2018
https://doi.org/10.5194/amt-11-1989-2018

Research article 09 Apr 2018

Research article | 09 Apr 2018

Optical characterisation of three reference Dobsons in the ATMOZ Project – verification of G. M. B. Dobson's original specifications

Ulf Köhler et al.

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Cited articles

Basher, R. E.: Review of the Dobson Spectrophotometer and its Accuracy, WMO Global Ozone Research and Monitoring Project, Report No. 13, Geneva, 1982. 
Bass, A. M. and Paur, R. J.: The ultraviolet cross-sections of ozone: I. The measurements, in: Atmospheric Ozone, Proceedings of the Quadrennial Ozone Symposium, held in Halkidiki, Greece, 3–7 September 1984, edited by: Zerefos, C. S. and Ghazi, A., D. Reidel, Norwell, Mass., USA, 606–610, https://doi.org/10.1007/978-94-009-5313-0_120, 1985. 
Bernhard, G., Evans, R. D., Labow, G. J., and Oltmans, S. J.: Bias in Dobson total ozone measurements at high latitudes due to approximations in calculations of ozone absorption coefficients and air mass, J. Geophys. Res, 110, D10305, https://doi.org/10.1029/2004JD005559, 2005. 
Bojkov, R. D.: The International Ozone Commission (IO3C) – Its history and activities related to atmospheric ozone, Academy of Athens, Research Centre for Atmospheric Physics and climatology, Publication No. 18, Athens, 2010. 
Brion, J., Chakir, A., Daumont, D., Malicet, J., and Parisse, C.: High-resolution laboratory absorption cross section of O3. Temperature effect, Chem. Phys. Lett., 213, 610–612, 1993. 
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Short summary
Laboratory investigations of optical characteristics of three standard Dobsons provide real wavelength settings and slit functions. These parameters were compared with the original values given in the manuals. The differences between real and nominal values are not too large, but their application will in any case improve the quality of the total ozone column measurements in the global network. This improvement was the main objective of the ATMOZ project funding these activities.