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|
Working Group I: The Scientific Basis |
|
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II.2.10: CFCs and HFCs abundances from WMO98 Scenario A1(baseline) following
the Montreal (1997) Amendments (ppt)
| Year |
CFC-11 |
CFC-12 |
CFC-113 |
CFC-114 |
CFC-115 |
CCl4 |
CH3CCl3 |
HCFC-22 |
HCFC-141b |
HCFC-142b |
HCFC-123 |
CF2BrCl |
CF3Br |
EESCl |
 |
| 1970 |
50 |
109 |
4 |
6 |
0 |
56 |
13 |
13 |
0 |
0 |
0 |
0 |
0 |
1.25 |
| 1975 |
106 |
199 |
9 |
8 |
1 |
77 |
36 |
25 |
0 |
0 |
0 |
0 |
0 |
1.54 |
| 1980 |
164 |
290 |
18 |
10 |
1 |
92 |
75 |
41 |
0 |
0 |
0 |
1 |
0 |
1.99 |
| 1985 |
207 |
373 |
34 |
12 |
3 |
100 |
102 |
64 |
0 |
0 |
0 |
2 |
1 |
2.44 |
| 1990 |
258 |
467 |
67 |
15 |
5 |
102 |
125 |
90 |
0 |
1 |
0 |
3 |
2 |
2.87 |
| 1995 |
271 |
520 |
86 |
16 |
7 |
100 |
110 |
112 |
3 |
7 |
0 |
4 |
2 |
3.30 |
| 2000 |
267 |
535 |
85 |
16 |
9 |
92 |
44 |
145 |
13 |
15 |
0 |
4 |
3 |
3.28 |
| 2010 |
246 |
527 |
81 |
16 |
9 |
75 |
6 |
257 |
22 |
33 |
2 |
4 |
3 |
3.03 |
| 2020 |
214 |
486 |
72 |
15 |
9 |
59 |
1 |
229 |
16 |
32 |
3 |
3 |
3 |
2.74 |
| 2030 |
180 |
441 |
64 |
15 |
9 |
47 |
0 |
137 |
9 |
23 |
2 |
2 |
3 |
2.42 |
| 2040 |
149 |
400 |
57 |
14 |
9 |
37 |
0 |
88 |
6 |
17 |
2 |
1 |
3 |
2.16 |
| 2050 |
123 |
362 |
51 |
14 |
9 |
29 |
0 |
46 |
2 |
11 |
1 |
1 |
3 |
1.94 |
| 2060 |
101 |
328 |
45 |
13 |
9 |
23 |
0 |
20 |
1 |
6 |
1 |
0 |
2 |
1.76 |
| 2070 |
83 |
298 |
40 |
13 |
9 |
18 |
0 |
9 |
0 |
4 |
0 |
0 |
2 |
1.62 |
| 2080 |
68 |
270 |
36 |
12 |
8 |
14 |
0 |
4 |
0 |
2 |
0 |
0 |
2 |
1.51 |
| 2090 |
56 |
245 |
32 |
12 |
8 |
11 |
0 |
2 |
0 |
1 |
0 |
0 |
2 |
1.41 |
| 2100 |
45 |
222 |
28 |
12 |
8 |
9 |
0 |
1 |
0 |
1 |
0 |
0 |
1 |
1.33 |
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