Mean global total ozone is estimated as the latitudinally weighted average of total ozone measured by the TOMS and OMI satellite mounted ozone measurement devices for the periods 1979-1992 and 2005-2015 respectively. The TOMS dataset shows an OLS depletion rate of 0.65 DU per year on average in...

Latitudinally weighted monthly mean global ozone is estimated using total ozone data from sixteen ground stations at latitudes from 89 S to 71 N and longitudes 170 E to 170 W. Data from all sixteen stations are available without gaps for a 29-year sample period from January 1987 to December...

Ground station measurements of total column ozone worldwide in the study period 1964-2009 are aggregated into zonal averages. Latitudinally weighted mean global ozone is estimated from these data on an annual time scale. Trend profile analysis of the mean global ozone time series shows a...