EUSTACE was organised into six inter-linked work packages:
WP1: Observation integration (lead: DMI)
Integrate surface and air temperature measurements from both satellite and in situ including all surfaces i.e. land, lakes, ocean, sea ice, and ice sheets.
Derive relationships between surface skin temperature observations and surface air temperatures, with uncertainties, to be used together with homogenised in situ records in WP2 to construct the global temperature record over 166 years.
WP3: Validation and intercomparison (lead: University of Leicester)
Perform an independent and consistent validation and intercomparison of both the surface air temperature fields inferred from retrievals, and the final in-filled EUSTACE products for all surfaces of the Earth - land, lakes, ocean, sea ice, and ice sheets – for the period since 1850.
To identify and acquire available and accessible existing digitised data holdings from other projects, and establishing access through formal links to maximise sufficient coverage of validation data for all surfaces.