Brewer spectrophotometer MKIV S/N 049 in Tomsk, western Siberia
The Brewer total ozone measurements are carried out in Kislovodsk, Obninsk, European Russia, and in Tomsk, Central Siberia, using the Brewer MKII S/N 043, Brewer MKII S/N 044 and Brewer MKIV S/N 049 spectrophotometers. The accuracy of routine total ozone observation at direct sun measurement is 2-3%. Under cloudless conditions at air mass factor less than 4, the accuracy of total ozone direct sun measurements approaches 1%.
|
