Articles | Volume 13, issue 2
Atmos. Meas. Tech., 13, 731–745, 2020
https://doi.org/10.5194/amt-13-731-2020
Atmos. Meas. Tech., 13, 731–745, 2020
https://doi.org/10.5194/amt-13-731-2020

Research article 13 Feb 2020

Research article | 13 Feb 2020

Spectral sizing of a coarse-spectral-resolution satellite sensor for XCO2

Jonas Simon Wilzewski et al.

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Latest update: 03 May 2021
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Short summary
Through spectral degradation of GOSAT measurements in the 1.6 and 2.0 μm spectral bands, we mimic a single-band, passive satellite sensor for monitoring of CO2 emissions at fine spatial scales. We compare retrievals of XCO2 from these bands to TCCON and native GOSAT retrievals. At spectral resolutions near 1.3 nm, XCO2 retrievals from both bands show promising performance, but the 2.0 μm band is favorable due to better noise performance and the potential to retrieve some aerosol information.