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

Table 1

Values of criterion PV contour used to define the edge of the Antarctic vortex.

Isentropic surface	450 K	500 K	550 K	600 K	650 K
Waugh’s (PVU)	−23.0	−27.0	/	−29.0	/
Ours (PVU)	−23.3	−26.8	−28.8	−31.7	−32.1