THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - Microcarb -
Full Name Microcarb Status Being developed
Instrument Agencies CNES, UKSA Maturity
Instrument Type Atmospheric chemistry Geometry Push-broom scanning
Instrument Technology High-resolution nadir-scanning SW spectrometer Sampling Sounding
Data Access Open Access Data Format NetCDF (L2, L3, L4), HDF (L1)
Measurements and Applications Measurement of CO2 concentration using CO2 absorption bands at 1607nm and 2046nm
Resolution Summary 3 FOV size 4,5 km (ACT) x 8.9 km (ALT) simultaneously acquired
[Best Resolution: 4500m]
Swath Summary 13km with 3 contigous pixels of 4.5x8.9km, up to > 25km in Glint mode
[Max Swath: 13 km]
Accuracy Summary CO2 concentrations: bias < 0,1 ppm (objective),  < 0.2 ppm (threshold) , random< 0.5 ppm (objective), 1.5 ppm (threshold) (values extracted from the mission specification)
Waveband Summary B1 (O2): 763.5 nm BW : 10.5nm; B2 ( CO2): 1608 nm BW : 22.2nm; B3 ( CO2): 2037 nm BW: 28.1 nm; B4(O2): 1273.4 nm BW: 17.6 nm
SWIR (~1.3 µm - ~3.0 µm)
Instrument Measurements
CategoryParameterAccuracy
Trace gases (excluding ozone)Atmospheric Chemistry - CO2 (column/profile) 
Instrument Missions
MicroCarb - MicroCarb (2020 - 2023)
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