Mean Global Total Ozone from Ground Station Data: 1987-2015

12 Pages Posted: 4 Apr 2016 Last revised: 8 Apr 2016

Date Written: April 1, 2016


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 2015. The monthly mean global ozone series does not show a sustained decline that can be interpreted in terms of the Rowland-Molina-UNEP theory of ozone destruction by man-made halogenated hydrocarbons. The findings validate the results of a prior work which used satellite data for trends in mean global total ozone over much shorter sample periods.

Keywords: ozone hole, ozone depletion, Montreal Protocol, halogenated hydrocarbons, ozone layer

Suggested Citation

Munshi, Jamal, Mean Global Total Ozone from Ground Station Data: 1987-2015 (April 1, 2016). Available at SSRN: or

Jamal Munshi (Contact Author)

Sonoma State University ( email )

1801 East Cotati Avenue
Rohnert Park, CA 94928
United States

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