Ozone Distribution in the Atmosphere

Ozone is created primarily in the tropics and accumulates at mid-to-polar latitudes especially in winter. a, The Brewer-Dobson Circulation observed in the winter hemisphere only via the Nimbus-7 SBUV from 1980 to 1989 in Dobson Units per kilometre copied from Cordero et al. (2003). b, A surface plot of zonal monthly mean total ozone in Dobson Units as a function of latitude and month estimated from ground-based data for the period 1964 to 1980 copied from (Fioletov, 2008).



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