IPCC Site
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- DDC Home
- About the DDC
- Guidance on the use of data
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Data: Observations
- Global mean temperature data used in the AR4 assessment report;
- High resolution climatology prepared by the Climatic Research Unit (CRU) of the University of East Anglia (UEA).
- Previous version of CRU data preserved for reference.
- Carbon Dioxide: observed atmospheric concentrations
- Socio-Economic Baseline Dataset
- IPCC AR4 Observed Climate Change Impacts
- Environmental Data and Scenarios
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Data: Simulations
- Emissions scenarios (from Integrated Assessment Models):
- Global climate model output: monthly means
- Results from GCM-Runs for the Fourth Assessment Report (AR4) based on the IPCC-SRES scenarios*
- Results from GCM-Runs for the Third Assessment Report (TAR) based on the IPCC-SRES scenarios
- Results from GCM-Runs based on the IPCC-IS92a (or similar) emission scenarios
- Results from GCM-Runs user in the First Assessment Report (FAR) (subset)
- Global climate model output: period-averages
- Global climate model output: global-means (AR4)
- Data: Synthesis
- Visualisation