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CH3041
ANTARCTIC OZONE
HOLE IV
• Ozone levels [O3] are
spectroscopically monitored from balloons or satellites.
•The units of ozone
layer thickness are
called Dobson units
layer thickness are
called Dobson units
= the thickness
of
the O3 layer at
sea-level, p= 1atm.
1 Dobson = 0.01 mm
the O3 layer at
sea-level, p= 1atm.
1 Dobson = 0.01 mm
• Things are
improving with the
use of non-CFCs.
improving with the
use of non-CFCs.
