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

Figure 2

Spatial distributions of the 38-year (1979–2016) zonal wind (units: m/s) climatology on 550 K isentropic surface 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)

(c)

(d)

(e)

(f)