Forcing by 14 Gases Controlled by the Montreal Protocol (W/m2) ------------------------------------------------------------------------------------------------------- Montzka et al.'s Data IPCC Scenarios ---------------------------------------------------------------------------- --------------------- HCFC HCFC Year CFC-11 CFC-12 HCFC22 CFC113 CH3CCl3 CCl4 -141b -142b H-1211 H-1301 CH3Br CFC114 CFC115 HCFC123 F/ppb .264 .323 .20 .30 .06 .13 .14 .20 .30 .32 .01 .31 .18 .14 ------------------------------------------------------------------------------------------------------- 1992 .0711 .1631 .0204 .0241 .0081 .0138 .0000 .0006 .0009 .0007 .0001 .0048 .0010 .0000 1993 .0714 .1652 .0211 .0246 .0077 .0137 .0001 .0009 .0009 .0007 .0001 .0048 .0011 .0000 1994 .0714 .1672 .0223 .0251 .0071 .0136 .0003 .0011 .0010 .0008 .0001 .0049 .0012 .0000 1995 .0712 .1693 .0232 .0252 .0063 .0135 .0005 .0013 .0010 .0008 .0001 .0050 .0013 .0000 1996 .0711 .1711 .0243 .0252 .0055 .0134 .0008 .0015 .0011 .0008 .0001 .0050 .0013 .0000 1997 .0707 .1723 .0252 .0250 .0047 .0133 .0010 .0017 .0011 .0008 .0001 .0050 .0014 .0000 1998 .0703 .1733 .0263 .0248 .0040 .0132 .0013 .0019 .0012 .0009 .0001 .0050 .0015 .0000 1999 .0699 .1742 .0273 .0247 .0033 .0131 .0015 .0021 .0012 .0009 .0001 .0050 .0015 .0000 2000 .0694 .1749 .0283 .0245 .0027 .0130 .0018 .0023 .0012 .0009 .0001 .0050 .0016 .0000 2001 .0689 .1752 .0295 .0245 .0023 .0128 .0020 .0025 .0013 .0009 .0001 .0050 .0016 .0001 2002 .0683 .1754 .0306 .0243 .0019 .0127 .0022 .0027 .0013 .0009 .0001 .0050 .0016 .0001 2003 .0677 .1754 .0316 .0240 .0016 .0126 .0023 .0028 .0013 .0009 .0001 .0050 .0016 .0002 2004 .0670 .1752 .0324 .0238 .0013 .0124 .0024 .0029 .0013 .0010 .0001 .0050 .0016 .0002 2005 .0664 .1749 .0336 .0236 .0011 .0123 .0025 .0030 .0013 .0010 .0001 .0050 .0016 .0003 2006 .0658 .1745 .0350 .0235 .0009 .0122 .0025 .0032 .0013 .0010 .0001 .0050 .0016 .0003 2007 .0652 .1737 .0366 .0232 .0008 .0120 .0026 .0035 .0013 .0010 .0001 .0050 .0016 .0003 2008 .0646 .1729 .0382 .0229 .0006 .0118 .0027 .0037 .0013 .0010 .0001 .0050 .0016 .0003 2009 .0641 .1721 .0397 .0228 .0005 .0116 .0028 .0039 .0012 .0010 .0001 .0050 .0016 .0003 2010 .0635 .1712 .0412 .0226 .0005 .0115 .0029 .0040 .0012 .0010 .0001 .0050 .0016 .0003 2011 .0630 .1704 .0425 .0224 .0004 .0113 .0030 .0042 .0012 .0010 .0001 .0050 .0016 .0003 ------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------- Forcing by 12 Gases Not Controlled by the Montreal Protocol (W/m2) ----------------------------------------------------------------------------------------- NOAA/CMDL Data IPCC Minimum (But Mostly Same as A1B) Scenarios ------------------ --------------------------------------------------------------------- HFC HFC HFC HFC HFC- HFC- HFC- HFC- HFC-43 Year -134a SF6 CF4 C2F6 -23 -32 -125 143a 152a 227ea 245ca -10mee F/ppb .16 .52 .10 .26 .19 .11 .23 .13 .09 .26 .23 .40 ----------------------------------------------------------------------------------------- 1992 .0000 .0015 .0072 .0006 .0018 .0000 .0000 .0000 .0000 .0000 .0000 .0000 1993 .0001 .0016 .0074 .0006 .0019 .0000 .0000 .0000 .0000 .0000 .0000 .0000 1994 .0001 .0017 .0075 .0006 .0021 .0000 .0000 .0000 .0000 .0000 .0000 .0000 1995 .0003 .0018 .0076 .0007 .0022 .0000 .0000 .0000 .0000 .0000 .0000 .0000 1996 .0005 .0019 .0077 .0007 .0023 .0000 .0000 .0000 .0000 .0000 .0000 .0000 1997 .0008 .0021 .0078 .0007 .0025 .0000 .0000 .0000 .0000 .0000 .0000 .0000 1998 .0012 .0022 .0080 .0007 .0026 .0000 .0000 .0000 .0000 .0000 .0000 .0000 1999 .0017 .0023 .0081 .0008 .0027 .0000 .0000 .0000 .0000 .0000 .0000 .0000 2000 .0022 .0024 .0082 .0008 .0029 .0000 .0000 .0000 .0000 .0000 .0000 .0000 2001 .0028 .0025 .0083 .0008 .0031 .0000 .0000 .0000 .0000 .0001 .0002 .0000 2002 .0034 .0026 .0084 .0008 .0033 .0000 .0001 .0001 .0000 .0001 .0004 .0001 2003 .0041 .0027 .0085 .0009 .0035 .0000 .0001 .0001 .0000 .0002 .0006 .0001 2004 .0047 .0028 .0086 .0009 .0037 .0000 .0002 .0002 .0000 .0002 .0007 .0002 2005 .0055 .0029 .0087 .0009 .0039 .0001 .0002 .0002 .0000 .0003 .0009 .0002 2006 .0062 .0031 .0087 .0009 .0041 .0001 .0003 .0002 .0000 .0003 .0011 .0002 2007 .0069 .0032 .0088 .0010 .0043 .0001 .0003 .0003 .0000 .0004 .0013 .0003 2008 .0076 .0034 .0089 .0010 .0045 .0001 .0004 .0003 .0000 .0004 .0015 .0003 2009 .0084 .0035 .0090 .0010 .0047 .0001 .0004 .0004 .0000 .0005 .0017 .0004 2010 .0092 .0037 .0091 .0010 .0049 .0001 .0005 .0004 .0000 .0005 .0018 .0004 2011 .0100 .0038 .0092 .0011 .0051 .0001 .0006 .0005 .0000 .0006 .0021 .0004 ----------------------------------------------------------------------------------------- ------------------------------------------------ ------------------------------------- Summary of Forcings (W/m2) Summary of Mixing Ratio (ppt) ------------------------------------------------ ------------------------------------- a b c d e f MPTGs+OTGs =MPTGs except CFC-11&12 Year CFC-11 CFC-12 -a-b OTGs =c+d =a+b+e Year CFC-11 CFC-12 in CFC-11 amount ------------------------------------------------ ------------------------------------- 1992 .0711 .1631 .0744 .0111 .0855 .3197 1992 269.3 504.8 323.9 1993 .0714 .1652 .0758 .0115 .0873 .3239 1993 270.5 511.6 330.7 1994 .0714 .1672 .0775 .0120 .0895 .3281 1994 270.6 517.6 339.0 1995 .0712 .1693 .0783 .0125 .0908 .3313 1995 269.8 524.3 343.9 1996 .0711 .1711 .0790 .0131 .0921 .3343 1996 269.2 529.6 348.9 1997 .0707 .1723 .0795 .0139 .0934 .3364 1997 267.9 533.5 353.8 1998 .0703 .1733 .0800 .0147 .0947 .3383 1998 266.2 536.5 358.7 1999 .0699 .1742 .0808 .0155 .0963 .3404 1999 264.8 539.3 364.8 2000 .0694 .1749 .0815 .0165 .0980 .3423 2000 262.8 541.6 371.2 2001 .0689 .1752 .0824 .0178 .1002 .3443 2001 261.0 542.3 379.5 2002 .0683 .1754 .0833 .0192 .1025 .3462 2002 258.9 543.1 388.3 2003 .0677 .1754 .0839 .0207 .1046 .3477 2003 256.3 543.0 396.2 2004 .0670 .1752 .0844 .0222 .1066 .3488 2004 253.8 542.3 403.8 2005 .0664 .1749 .0854 .0238 .1092 .3505 2005 251.6 541.5 413.6 2006 .0658 .1745 .0864 .0253 .1117 .3521 2006 249.4 540.1 423.1 2007 .0652 .1737 .0878 .0268 .1146 .3535 2007 247.0 537.7 434.1 2008 .0646 .1729 .0892 .0284 .1176 .3551 2008 244.8 535.3 445.5 2009 .0641 .1721 .0904 .0300 .1204 .3566 2009 242.7 532.7 456.1 2010 .0635 .1712 .0918 .0316 .1234 .3581 2010 240.7 529.9 467.4 2011 .0630 .1704 .0929 .0336 .1265 .3599 2011 238.5 527.4 479.2 ------------------------------------------------ ------------------------------------- Note: Radiative efficacies (W/m2/ppb) are from Hansen et al. "Global warming in the twenty-first century: An alternative scenario" for CFC-11 and CFC-12, and from IPCC Climate Change 2007: Chapter 2, 2.3.3 Other Kyoto Protocol Gases, Table 2.14.