Approximate CO2-eq concentrations corresponding to the computed radiative forcing due to
anthropogenic GHGs and
aerosols in 2100 (see p.
823 of the WGI TAR) for the SRES
B1,
AIT,
B2,
A1B,
A2 and
A1FI illustrative marker scenarios
are
about 600, 700,
800,
850, 1250 and 1550ppm, respectively.
d) Temperature
changes are expressed as the difference from the period 1980-1999. To express the
change relative
/media/loftslag/IPPC-2007-ar4_syr.pdf