Projections were calculated with the Bern Model:
NOTE: ALL THE SCENARIOS AND CALCULATIONS PRESENTED BELOW ARE PRELIMINARY AND DO NOT REPRESENT MATERIAL APPROVED OR ACCEPTED BY IPCC. The use of the SRES emission scenarios is based on the decision of the IPCC Bureau at its
meeting, July 2, 1998, in Germany, where the Bureau agreed that the climate modeling community
could use these new (unapproved) emission scenarios, so that they can
incorporate them into their climate models for timely submission and publication
in peer-reviewed journals and then assessment by the lead authors of the IPCC
Third Assessment Report. Furthermore, it was decided that the models
and techniques used in the Second Assessment Report should be applied to project the atmospheric concentrations of radiative agents such as CO2 from the unapproved and harmonized SRES emission scenarios. The projected concentrations can be used as boundary conditions in climate models. On this page results for CO2 are
presented. (Click here for data in tabular form)
The model was initialized by prescribing the
atmospheric CO2 history (black, dot-dash) from 1765 until 1995
- Historical CO2 records from the Law Dome DE08, DE08-2, and DSS ice cores - D.M. Etheridge, L.P. Steele, R.L. Langenfelds, R.J. Francey, J.-M. Barnola, and V.I. Morgan
- Atmospheric CO2 records from sites in the SIO air sampling network - C.D. Keeling and T.P. Whorf
Projected Atmospheric CO2
Projected Atmospheric C13
Projected Atmospheric C14
Sensitivity of Projected CO2 to Biospheric CO2 Fertilization
Distribution of Anthropogenic Carbon Emissions in the Climate System
