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Page 4 of 8
OZONE
NATURAL AND ANTHROPOGENETIC POLLUTION LIMITS OF THE STRATOSPHERIC OZONE
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Scenario no. 1
Hypothesis
HO
2
= 5.0 × 10
6
cm
-3
(natural limit)
NO
2
[10
8
, 1.74 × 10
12
] cm
-3
CFC
[10
4
, 1.8 × 10
13
] cm
-3
Evolution trends
1.
Stability domain (biological)
NO
2
[10
8
, 5 ×10
9
] cm
-3
CFC
[10
4
, 5 × 10
6
] cm
-3
O
3
= 1.05 × 10
15
cm
-3
(natural limit)
2.
Rapid variation
NO
2
[5 × 10
9
, 1.74 × 10
12
] cm
-3
CFC
[5 × 10
6
, 10
10
] cm
-3
O
3
[1.05 × 10
15
, 10
12
] cm
-3
3.
Stability domain (thermodynamic)
NO
2
[10
8
, 1.74 × 10
12
] cm
-3
CFC
[10
10
, 1.8 × 10
13
] cm
-3
O
3
= 10
12
cm
-3
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[108, 1.74 × 1012]
cm-3
[108, 5 ×109] cm-3
