Geology Reference
In-Depth Information
Surface
Gas-phase
Inactive
chlorine
Inactive
chlorine
Active
chlorine
reactions
reactions
ClONO
2
ClONO
2
(Cl
2
+ClO+(ClO)
2
)
HCl
HCl
Autumn
Early
Winter
Late
Spring
Time
Denitrification and dehydration
Surface processing
Cl-catalysed O
3
destruction
Inactive chlorine recovery
Breakup
Formation,
Cooling,
descent
Maximum intensity
Polar vortex
evolution
Time
Figure 34 Photochemistry and dynamics in the polar stratosphere (after ref. 65)
Figure 35 Chemical species and temperature as measured by satellite in the 2004 ozone
hole (image courtesy of NASA). The white line on the ozone figure gives the
extent of the vortex
