Articles | Volume 13, issue 8
https://doi.org/10.5194/amt-13-4479-2020
https://doi.org/10.5194/amt-13-4479-2020
Research article
 | 
18 Aug 2020
Research article |  | 18 Aug 2020

In-orbit Earth reflectance validation of TROPOMI on board the Sentinel-5 Precursor satellite

Lieuwe G. Tilstra, Martin de Graaf, Ping Wang, and Piet Stammes

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Short summary
The goal of the study was to determine the accuracy of the radiometric calibration of the TROPOMI instrument on board the Sentinel-5 Precursor satellite in flight. The Earth reflectances were compared to radiative transfer calculations. We report calibration accuracies and errors for 21 selected wavelength bands between 328 and 2314 nm, located in TROPOMI spectral bands 3–7. The reported numbers can be used to perform corrections that will benefit the retrievals of many atmospheric properties.