Aviation and the Global Atmosphere

Aviation and the Global Atmosphere
Differential RF (W m-2/ppmv)
dRF/dCO 2 0.018 0.016 0.015 0.014 0.012
dRF/dCH4 0.38 0.37 0.35 0.33 0.29
IS92a RF (Wm-2)
CO 2 1.54 1.84 2.38 2.79 3.83
NO4 0.47 0.51 0.59 0.66 0.83
N2O 0.14 0.17 0.22 0.26 0.36
All greenhouse gases 2.64 3.08 3.81 4.34 5.76
Aerosols (direct/indirect) -1.26 -1.36 -1.55 -1.66 -1.94
Total 1.38 1.72 2.26 2.68 3.82
Aviation Fa1 Components of RF (Wm-2)
CO 2 0.016 0.025 0.038 0.048 0.074
O3 0.024 0.029 0.040 0.046 0.060
CH4 -0.015 -0.018 -0.027 -0.032 -0.045
H2O 0.002 0.002 0.003 0.003 0.004
Contrails 0.021 0.034 0.060 0.071 0.100
Sulfate aerosol -0.003 -0.004 -0.006 -0.007 -0.009
Soot (BC) aerosol 0.003 0.004 0.006 0.007 0.009
Indirect clouds n.a. n.a. n.a. n.a. n.a.
Total 0.048 0.071 0.114 0.137 0.193
Aviation HSCT (net) Components of RF (Wm-2)
CO 2 0.001 0.006
O3 -0.007 -0.017
CH4 0.002 0.005
H2O 0.040 0.099
Contrails -0.004 -0.011
Total 0.031 0.082
Aviation Scenarios Total RF (Wm-2)
Fa1 0.048 0.071 0.114 0.137 0.193
Fa2 0.048 0.071 0.114 0.136 0.192
Fc1 0.048 0.071 0.114 0.118 0.129
Fe1 0.048 0.071 0.114 0.161 0.280
Eab 0.048 0.068 0.103 0.184 0.385
http://www.ipcc.ch/ipccreports/sres/aviation/068.htm (5 von 8)08.05.2008 02:42:53