THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - Spectrometer (OCO-2) -
Full Name Spectrometer (OCO-2) Status Operational
Instrument Agencies NASA Maturity
Instrument Type Atmospheric chemistry Geometry Steerable viewing
Instrument Technology High-resolution nadir-scanning SW spectrometer Sampling Sounding
Data Access Open Access Data Format HDF
Measurements and Applications Global measurements of atmospheric CO2 needed to describe the variability of CO2 sources and sinks.
Resolution Summary 2.25 km downtrack, variable cross-track
Swath Summary Varies from 0.1 km at the sub-solar latitude to 10.6 km at terminators
Accuracy Summary Provide the data needed to yield single sounding estimates of XCO2 with one sigma errors of <= 2 ppm
Waveband Summary 0.76 µm, 1.61 µm, 2.06 µm
SWIR (~1.3 µm - ~3.0 µm)
Instrument Measurements
CategoryParameterAccuracy
Trace gases (excluding ozone)Atmospheric Chemistry - CO2 (TC)1 [ppm]
Instrument Missions
OCO-2 - Orbiting Carbon Observatory-2 (2014 - 2017)
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