NOTICE (March 2018): This website provides access to the CDIAC archive data temporarily. It will be gradually transitioned into data packages in the new ESS-DIVE archive. This site will continue to operate in parallel during and after the transition, and will be retired at a future date. If you have any questions regarding the data or the transition, please contact

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These datasets comprise the products from the Free Air CO2 Enrichment Model-Data Synthesis (FACE-MDS) project. Please refer to the FACE-MDS website for further project details. Phase 1 datasets are reproduced here for posterity and reproducibility although the meteorological datasets and model output for the experimental period have been superseded by the Phase 2 datasets. If you would like to use the meteorological datasets to run your own model or for any other purpose please use the Phase 2 datasets when they become available.