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INFORMATION ABOUT THE SRES IPCC SCENARIOS:

(by Sergio Castellari, CMCC)

Scenario:

A scenario is a coherent, internally consistent and plausible description of a possible future state of the world. It is not a forecast; rather, each scenario is one alternative image of how the future can unfold. A projection may serve as the raw material for a scenario, but scenarios often require additional information (e.g., about baseline conditions). A set of scenarios is often adopted to reflect, as well as possible, the range of uncertainty in projections. Other terms that have been used as synonyms for scenario are "characterisation", "storyline" and "construction".

Information and description and explanation of the SRES scenarios:

The best source of information should be to read at least the SUMMARY FOR POLICY MAKERS of the IPCC SRES report (2000). You can take this file and link at the web site as long you quote correctly the source. (http://www.ipcc.ch/ipccreports/special-reports.htm)

Where to get the SRES IPCC scenario data set:

Now the SCENARIO DATA SETS can be found in 2 places:
1) IPCC Data Distribution Centre (DDC)
    http://www.ipcc-data.org/index.html
    http://www.mad.zmaw.de/IPCC_DDC/html/SRES_AR4/index.html

The data here are a subset of a larger dataset in progress which can be found at:

2) WCRP CMIP3 Multi-Model Dataset Archive at PCMDI
    http://www-pcmdi.llnl.gov/ipcc/about_ipcc.php

Another interesting data site, which I have just known lately:

3) World Data Center for Climate (WDCC)
    http://www.mad.zmaw.de/wdc-for-climate/
where you have to go at CERA database:
    http://cera-www.dkrz.de/WDCC/ui/BrowseExperiments.jsp
 

 RELATED FILES:

General Guidelines on the Use of Scenario Data for Climate Impact and Adaptation Assesment

Survey of available SRES Scenarios Runs for AR4

About the WCRP CMIP3 Multi-Model Dataset Archive at PCMDI