Fig. 3
From: Stratospheric ozone loss over the Eurasian continent induced by the polar vortex shift
Potential vorticity and stratospheric ozone anomalies. Isentropic potential vorticity (PV) anomalies in February during a 2001, b 2008 and c 2010 with respect to the climatology averaged over the isentropic layers from 430 to 600 K. Panels d–f are the same as a–c, but for dynamical ozone anomalies from SLIMCAT. Panels g–i are the same as a–c, but for heterogeneous chemical ozone anomalies from SLIMCAT. The green contour lines represent the edges of the polar vortex. The minimum latitude of polar stereographic projections is 45°N
