Model-data fusion Model-data fusion for the for the coupled carbon-water coupled carbon-water system system Cathy Trudinger, Michael Raupach, Peter Cathy Trudinger, Michael Raupach, Peter Briggs Briggs CSIRO Marine and Atmospheric Research, CSIRO Marine and Atmospheric Research, Australia Australia and and Peter Rayner Peter Rayner LSCE, France LSCE, France Email: [email protected] Email: [email protected]