相對CO2之溫室氣體其直接GWPs (Global Warming Potentials)值

 

 

Gas   Lifetime(years) Global Warming Potential(Time Horizon in years)
20 yrs  100 yrs  500 yrs
Carbondi oxide CO2   1 1 1
Methanea CH4 12.0b 62 23 7
Nitrous oxide N2O 114b 275 296 156
Hydrofluorocarbons        
HFC-23 CHF3 260 9400 12000 10000
HFC-32 CH2F2 5 1800 550 170
HFC-41 CH3F 2.6 330 97 30
HFC-125 CHF2CF3 29 5900 3400 1100
HFC-134 CHF2CHF2 9.6 3200 1100 330
HFC-134a CH2FCF3 13.8 3300 1300 400
HFC-143 CHF2CH2F 3.4 1100 330 100
HFC-143a CF3CH3 52 5500 4300 1600
HFC-152 CH2FCH2F 0.5 140 43 13
HFC-152a CH3CHF2 1.4 410 120 37
HFC-61 CH3CH2F 0.3 40 12 4
HFC-227ea CF3CHFCF3 33 5600 3500 1100
HFC-236cb CH2FCF2CF3 13.2 3300 1300 390
HFC-236ea CHF2CHFCF3 10 3600 1200 390
HFC-236fa CF3CH2CF3 220 7500 9400 7100
HFC-245ca CH2FCF2CHF2 5.9 2100 640 200
HFC-245fa CHF2CH2CF3 7.2 3000 950 300
HFC-365mfc CF3CH2CF2CH3 9.9 2600 890 280
HFC-43-0mee CF3CHFCHFCF2CF3 15 3700 1500 470
Fully fluorinated species      
SF6   3200 15100 22200 32400
CF4   50000 3900 5700 8900
C2F6   10000 8000 11900 18000
C3F8   2600 5900 8600 12400
C4F10   2600 5900 8600 12400
c-C4F8   3200 6800 10000 14500
C5F12   4100 6000 8900 13200
C6F14   3200 6100 9000 13200
Ethers and Halogenated Ethers      
CH3OCH3 0.015 1 1 <<1
HFE-125 CF3OCHF2 150 12900 14900 9200
HFE-134 CHF2OCHF2 26.2 10500 6100 2000
HFE-143a CH3OCF3 4.4 2500 750 230
HCFE-235da2 CF3CHClOCHF2 2.6 1100 340 110
HFE-245fa2 CF3CH2OCHF2 4.4 1900 570 180
HFE-254cb2 CHF2CF2OCH3 0.22 99 30 9
HFE-7100 C4F9OCH3 5 1300 390 120
HFE-7200 C4F9OC2H5 0.77 190 55 17
H-Galden 1040x CHF2OCF2OC2F4OCHF2 6.3 5900 1800 560
HG-10 CHF2OCF2OCHF2 12.1 7500 2700 850
HG-01 CHF2OCF2CF2OCHF2 6.2 4700 1500 450
a GWPs包括其於同溫層形成H2O及 O3的間接應貢獻
b 該時間值為考量該溫室氣體於其lifetime期間間接效應的校正值
資料來源:Technical Summary (TS),IPCC Third Assessment Report(TAR),Working Group I,IPCC 

 

 

 

 

上列說明僅供參考

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