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To provide remote sensing data of CO2 with precisions of less than 0.3%
To understand systematic errors of Fourier transform interferometer (FTIR) CO2 data by comparison with in situ measurements from tall tower and aircrafts profiles
To provide a transfer standard network between the high precision surface network and the spatially dense satellite network allowing the proper integration of the satellite data into European carbon cycle measurement systems. Thus vastly increase the amount of data available for determining the carbon balance of Europe
To link the European carbon cycle research into a growing network of these FTIR instruments operating at the sub percent level