Articles | Volume 14, issue 3
Atmos. Meas. Tech., 14, 2127–2140, 2021
https://doi.org/10.5194/amt-14-2127-2021
Atmos. Meas. Tech., 14, 2127–2140, 2021
https://doi.org/10.5194/amt-14-2127-2021

Research article 18 Mar 2021

Research article | 18 Mar 2021

The GHGSat-D imaging spectrometer

Dylan Jervis et al.

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Short summary
We describe how the GHGSat-D demonstration satellite is designed and operated in order to measure greenhouse gas emissions from different types of industrial facilities. The distinguishing features of GHGSat-D, or Claire, are its compact size (< 15 kg) and high spatial resolution (< 50 m). We give a mathematical model of the instrument and describe the techniques used to infer a methane concentration from a measurement of the sunlight that has reflected off the Earth's surface.