D7.8 provides the initial and early version of the CHE Research Data Portal. The deliverable has identified a number of data sets used as input for the CHE project in the following areas:

• CO2 Hot Spots
• CO2 Inventory
• Data Portal
• Biosphere Fluxes
• GHG Inventory.

The data portal references these data sets rather than replicate them. Data sets to be generated by the CHE project include

• CO2 fluxes
• CO2 atmospheric concentrations
• Synthetic CO2 satellite observations
• Concentrations and fluxes of other tracers

These output data sets will similarly be referenced on the data portal, and will be placed in existing repositories, such as ICOS, the Global Carbon Project and Copernicus Climate Data Store (once available).

The CHE Data Portal is available at https://www.che-project.eu/data-portal.