The Relationship between Polar Vortex and Ozone Depletion in the Antarctic Stratosphere during the Period 1979–2016

Figure 3

Spatial distributions of the 38-year (1979–2016) total column ozone (units: DU) in (a) May, (b) June, (c) July, (d) August, (e) September, and (f) October. The black solid based on criterion PV contour (−28.8 PVU) represents the vortex edge.

(a)

(b)

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(f)