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Open AccessArticle

Benefits and Lessons Learned from the Sentinel-3 Tandem Phase

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ACRI-ST; 260 route du Pin Montard, 06410 Sophia Antipolis, France
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European Space Agency, European Space Research and Technology Centre (ESA ESTEC), Keplerlaan 1, AZ 2201 Noordwijk, The Netherlands
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National Physical Laboratory, Teddington TW11 0LW, UK
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Science and Technology Facilities Council (STFC), Rutherford Appleton Laboratory Space (RAL Space), Harwell Oxford OX11 0QX, UK
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Lancaster Environment Centre, Lancaster University, Bailrigg, Lancaster LA1 4YW, UK
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Department of Meteorology, University of Reading, Reading RG6 6AL, UK
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Marine Physics and Ocean Climate group, National Oceanography Centre, European Way, Southampton SO14 3ZH, UK
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Marine Physics and Ocean Climate Group, National Oceanography Centre, Joseph Proudman Building, 6 Brownlow Street, Liverpool L3 5DA, UK
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CLS, Parc Technologique du Canal, 11 Rue Hermès, 31520 Ramonville-Saint-Agne, France
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Fluctus, 81800 Rabastens, France
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Author to whom correspondence should be addressed.
Remote Sens. 2020, 12(17), 2668; https://doi.org/10.3390/rs12172668
Received: 7 July 2020 / Revised: 31 July 2020 / Accepted: 31 July 2020 / Published: 19 August 2020
(This article belongs to the Special Issue Cross-Calibration and Interoperability of Remote Sensing Instruments)
During its commissioning phase, the Copernicus Sentinel-3B satellite has been placed in a tandem formation with Sentinel-3A for a period of 6 months. This configuration allowed a direct comparison of measurements obtained by the two satellites. The purpose of this paper was to present the range of analyses that can be performed from this dataset, highlighting methodology aspects and the main outcomes for each instrument. We examined, in turn, the benefit of the tandem in understanding instrument operational modes differences, in assessing inter-satellite differences, and in validating measurement uncertainties. The results highlighted the very good consistency of the Sentinel-3A and B instruments, ensuring the complete inter-operability of the constellation. Tandem comparisons also pave the way for further improvements through harmonization of the sensors (OLCI), correction of internal stray-light sources (SLSTR), or high-frequency processing of SRAL SARM data. This paper provided a comprehensive overview of the main results obtained, as well as insights into some of the results. Finally, we drew the main lessons learned from the Sentinel-3 tandem phase and provided recommendations for future missions. View Full-Text
Keywords: calibration; Copernicus Sentinel-3; OLCI; SRAL; MWR; SLSTR; tandem formation calibration; Copernicus Sentinel-3; OLCI; SRAL; MWR; SLSTR; tandem formation
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MDPI and ACS Style

Clerc, S.; Donlon, C.; Borde, F.; Lamquin, N.; Hunt, S.E.; Smith, D.; McMillan, M.; Mittaz, J.; Woolliams, E.; Hammond, M.; Banks, C.; Moreau, T.; Picard, B.; Raynal, M.; Rieu, P.; Guérou, A. Benefits and Lessons Learned from the Sentinel-3 Tandem Phase. Remote Sens. 2020, 12, 2668. https://doi.org/10.3390/rs12172668

AMA Style

Clerc S, Donlon C, Borde F, Lamquin N, Hunt SE, Smith D, McMillan M, Mittaz J, Woolliams E, Hammond M, Banks C, Moreau T, Picard B, Raynal M, Rieu P, Guérou A. Benefits and Lessons Learned from the Sentinel-3 Tandem Phase. Remote Sensing. 2020; 12(17):2668. https://doi.org/10.3390/rs12172668

Chicago/Turabian Style

Clerc, Sébastien; Donlon, Craig; Borde, Franck; Lamquin, Nicolas; Hunt, Samuel E.; Smith, Dave; McMillan, Malcolm; Mittaz, Jonathan; Woolliams, Emma; Hammond, Matthew; Banks, Christopher; Moreau, Thomas; Picard, Bruno; Raynal, Matthias; Rieu, Pierre; Guérou, Adrien. 2020. "Benefits and Lessons Learned from the Sentinel-3 Tandem Phase" Remote Sens. 12, no. 17: 2668. https://doi.org/10.3390/rs12172668

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