1. The Tyndall Centre comprises nine UK research institutions. It is funded by three Research Councils - NERC, EPSRC and ESRC – and receives additional support from the DTI An introduction to The IPCC Data Distribution Centre (DDC) By Dr Xianfu Lu, Tyndall Centre for Climate Change Research At AIACC Intensive Training Workshop on Development and Application of Scenarios in Impacts, Adaptation and Vulnerability Assessments 15~26 April, Tyndall Centre, UEA, UK

2. The Tyndall Centre comprises nine UK research institutions. It is funded by three Research Councils - NERC, EPSRC and ESRC – and receives additional support from the DTI 1.A short description of the DDC Session Outline 2.Key functions of DDC 3.Data available from the DDC websites

3. The Tyndall Centre comprises nine UK research institutions. It is funded by three Research Councils - NERC, EPSRC and ESRC – and receives additional support from the DTI 1.A short description of DDC Advised and guided by TGCIA (both DDC and TGCIA are supported by the TSUs of WGI and WGII) Designated by the IPCC 8 th Plenary in 1998, to ensure the timely distribution of a consistent set of up-to-date projections of changes in climate and related environmental and socio-economical factors for use in climate impact assessments; Jointly run by the Climatic Research Unit (CRU), UK and German Climate Computing Centre, Hamburge;

4. The Tyndall Centre comprises nine UK research institutions. It is funded by three Research Councils - NERC, EPSRC and ESRC – and receives additional support from the DTI 2.Key functions of DDC DDC Hamburge Site (DDC YELLOW page) oProvide information on GCMs for which the DDC holds experiment results;GCMs oAcquire, process, and archive GCM simulation data

5. The Tyndall Centre comprises nine UK research institutions. It is funded by three Research Councils - NERC, EPSRC and ESRC – and receives additional support from the DTI 2.Key functions of DDC DDC CRU Site (DDC GREEN page) oProvide climate data (baseline and GCM change fields);baselineGCM change fields oProvide user support ( guidance material, FAQs, etc.);user support oProvide non-climate data (baseline and scenarios);baselinescenarios oAssist in data analysing and model validation (visualization tool)visualization tool

6. The Tyndall Centre comprises nine UK research institutions. It is funded by three Research Councils - NERC, EPSRC and ESRC – and receives additional support from the DTI 3.Data/information available from the DDC Websites DDC Hamburge Site (DDC YELLOW page) oTwo sets of GCM simulation data: IS92 and similar scenario runs and SRES runs:IS92 and similar scenario runs SRES runs: -Two sets of variables: core quantities and optional quantities;core quantities optional quantities -Two types of data formats: GRIB and GZIP; -Monthly time series oDocumentations on GCMs for which DDC holds experiment results;

7. The Tyndall Centre comprises nine UK research institutions. It is funded by three Research Councils - NERC, EPSRC and ESRC – and receives additional support from the DTI 3.Data/information available from the DDC Websites DDC CRU Site (DDC GREEN page) oClimate baseline data;Climate baseline data oNon-climate baseline data;Non-climate baseline data oScenarios and Data;Scenarios and Data oData visualization tool;Data visualization tool