47 CH4
N2O
H2O CFCs
CO2 Greenhouse
Gas, GHG green house effect 15 18
2006/12/20 240
/m
2
(103
/m2) 33
SF6
PFCs
HFCs Radiative Forcing 0.3 0.3 10
0.6
15
28
2100 3.5
15
1861
95
IPCC
2007
0.6
( 1750 Forcing 0.34W/m2
2.43W/m2 0.15W/m2
)
2000 1.46W/m2
20
Radiative 0.48W/m2
0.6 1950
20 20 20 20
0.1
0.2 2
10
0.2 10
20
10 0.3% 0.3% 2%
0.5
4% 1%
10° N 10° S 10° N 30° N 25° N
21° N
20 1960
2 10%
2100
1990
38
,
56
IPCC
1. 2.
,
3.
, ,
4.
,
,
5. 6.
,
IPCC