Total ozone measurements made with the Brewer ozone spectrophotometer during STOIC 1989

摘要: The Canadian Atmospheric Environment Service participated in the Stratospheric Ozone Intercomparison Campaign (STOIC) by operating a Brewer ozone spectrophotometer at Table Mountain Observatory from July 19 to August 2, 1989. Frequent direct Sun measurements of total column were made throughout most days during 2 weeks intercomparison. Results instrument are given. They show that there is diurnal variation with values increasing on average 6.6 {plus_minus} 2.4 Dobson units between early morning and late afternoon. Comparing concentration ground level suggests daytime increase result buildup surface day. STOIC compared National Oceanic Administration (NOAA) instrument, NASA/Wallops electrochemical cell ozonesondes mapping spectrometer satellite instrument. 10 refs., 5 figs., 3 tabs.