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GAW Report No. 267

Fifth International Comparison of Dobson Spectrophotometers Villa Ortúzar Observatory, Argentina, 4-22 March 2019

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Published in
Geneva
Year published
2021
Summary

This report describes the Fifth Intercomparison of Dobson Spectophotometers (IC/BUA-19) carried out at the Main Buenos Aires Observatory (Villa Ortúzar) of the Servicio Meteorológico Nacional (Argentina) (SMN) from 4 March to 22 March 2019. The Dobson spectrophotometer D065 was used as a reference for comparison of measured ozone column values and to calibrate individual instruments. The Regional Standard (R-III) also participated in the event and was calibrated. Through this activity, the data obtained by individual Dobson Spectrophotometers at different measurement sites will be standardized, and will be comparable locally, and globally. Eleven Dobson Spectrophotometers from different monitoring and research institutions in Latin America were calibrated during the campaign. The associated relative uncertainty of each Dobson was also estimated.

Language of publication
English
Number of pages
54 p.
Format
Digital
Material type
Serial title, number
GAW Report No. 267
WMO Programmes
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