Articles | Volume 16, issue 12
https://doi.org/10.5194/amt-16-3101-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-16-3101-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
23 Jun 2023
Research article |
| 23 Jun 2023
| 23 Jun 2023
OLCI-A/B tandem phase: evaluation of FLuorescence EXplorer (FLEX)-like radiances and estimation of systematic differences between OLCI-A and OLCI-FLEX
Lena Katharina Jänicke
CORRESPONDING AUTHOR
Institute of Meteorology, Freie Universität Berlin (FUB), Carl-Heinrich-Becker-Weg 6–10, 12165 Berlin, Germany
Rene Preusker
Institute of Meteorology, Freie Universität Berlin (FUB), Carl-Heinrich-Becker-Weg 6–10, 12165 Berlin, Germany
Marco Celesti
ESA-ESTEC, Keplerlaan 1, 2201 AZ Noordwijk, the Netherlands
Marin Tudoroiu
ESA-ESRIN, Largo Galileo Galilei 1, 00044 Frascati (Rome), Italy
Jürgen Fischer
Institute of Meteorology, Freie Universität Berlin (FUB), Carl-Heinrich-Becker-Weg 6–10, 12165 Berlin, Germany
Dirk Schüttemeyer
ESA-ESTEC, Keplerlaan 1, 2201 AZ Noordwijk, the Netherlands
Matthias Drusch
ESA-ESTEC, Keplerlaan 1, 2201 AZ Noordwijk, the Netherlands
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Gianluca Di Natale, Helen Brindley, Laura Warwick, Sanjeevani Panditharatne, Ping Yang, Robert Oscar David, Tim Carlsen, Sorin Nicolae Vâjâiac, Alex Vlad, Sorin Ghemuleț, Richard Bantges, Andreas Foth, Martin Flügge, Reidar Lyngra, Hilke Oetjen, Dirk Schuettemeyer, Luca Palchetti, and Jonathan Murray
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Jan El Kassar, Cintia Carbajal Henken, Xavier Calbet, Pilar Rípodas, Rene Preusker, and Jürgen Fischer
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Cuong M. Nguyen, Mengistu Wolde, Alessandro Battaglia, Leonid Nichman, Natalia Bliankinshtein, Samuel Haimov, Kenny Bala, and Dirk Schuettemeyer
Atmos. Meas. Tech., 15, 775–795, https://doi.org/10.5194/amt-15-775-2022, https://doi.org/10.5194/amt-15-775-2022, 2022
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Short summary
To compare two top-of-atmosphere radiances measured by instruments with different spectral characteristics, a transfer function has been developed. It is applied to a tandem data set of Sentinel-3A and B, for which OLCI-B mimicked the ESA’s eighth Earth Explorer FLEX. We found that OLCI-A measured radiances about 2 % brighter than OLCI-FLEX. Only at larger wavelengths were OLCI-A measurements about 5 % darker. The method is thus successful, being sensitive to calibration and processing issues.
To compare two top-of-atmosphere radiances measured by instruments with different spectral...
