Towards Operational Fiducial Reference Measurement (FRM) Data for the Calibration and Validation of the Sentinel-3 Surface Topography Mission over Inland Waters, Sea Ice, and Land Ice - Observatoire de Paris Access content directly
Journal Articles Remote Sensing Year : 2023

Towards Operational Fiducial Reference Measurement (FRM) Data for the Calibration and Validation of the Sentinel-3 Surface Topography Mission over Inland Waters, Sea Ice, and Land Ice

Elodie da Silva
  • Function : Author
Jean-Christophe Poisson
Henriette Skourup
Geir Moholdt
Valentin Fouqueau
Karina Nielsen
François Boy
  • Function : Author
Roger Fjørtoft
  • Function : Author
Mathilde Cancet
  • Function : Author
Ramiro Ferrari
  • Function : Author
Ghislain Picard
Mohammad Tourian
Nicolaas Sneeuw
  • Function : Author
Eric Munesa
  • Function : Author
Michel Calzas
  • Function : Author
Adrien Paris
  • Function : Author
Emmanuel Le Meur
  • Function : Author
Antoine Rabatel
Guillaume Valladeau
Sylvie Labroue
  • Function : Author
Ole Andersen
Mahmoud El Hajj
  • Function : Author
Filomena Catapano
Pierre Féménias
  • Function : Author

Abstract

The Copernicus Sentinel-3 Surface Topography Mission (STM) Land Altimetry provides valuable surface elevation information over inland waters, sea ice, and land ice, thanks to its synthetic aperture radar (SAR) altimeter and its orbit that covers high-latitude polar regions. To ensure that these measurements are reliable and to maximise the return on investment, adequate validation of the geophysical retrieval methods, processing algorithms, and corrections must be performed using independent observations. The EU-ESA project St3TART (started July 2021) aims to generalise the concept of Fiducial Reference Measurements (FRMs) for the Copernicus Sentinel-3 STM. This work has gathered existing data, made new observations during field campaigns, and ensured that these observations meet the criteria of FRM standards so that they can be used to validate Sentinel-3 STM Land Altimetry products operationally. A roadmap for the operational provision of the FRM, including the definition, consolidation, and identification of the most relevant and cost-effective methods and protocols to be maintained, supported, or implemented, has been developed. The roadmap includes guidelines for SI traceability, definitions of FRM measurement procedures, processing methods, and uncertainty budget estimations.
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Origin Publication funded by an institution
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Public Domain

Dates and versions

obspm-04244160 , version 1 (16-10-2023)

Licence

Public Domain

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Elodie da Silva, Emma Woolliams, Nicolas Picot, Jean-Christophe Poisson, Henriette Skourup, et al.. Towards Operational Fiducial Reference Measurement (FRM) Data for the Calibration and Validation of the Sentinel-3 Surface Topography Mission over Inland Waters, Sea Ice, and Land Ice. Remote Sensing, 2023, 15 (19), pp.4826. ⟨10.3390/rs15194826⟩. ⟨obspm-04244160⟩
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