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Proceedings Paper

Image quality validation of Sentinel 2 Level-1 products: performance status at the beginning of the constellation routine phase
Author(s): Benjamin Francesconi; Marion Neveu-VanMalle; Aude Espesset; Bahjat Alhammoud; Catherine Bouzinac; Sébastien Clerc; Ferran Gascon
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Paper Abstract

Sentinel-2 is an Earth Observation mission developed by the European Space Agency (ESA) in the frame of the Copernicus program of the European Commission. The mission is based on a constellation of 2-satellites: Sentinel-2A launched in June 2015 and Sentinel-2B launched in March 2017. It offers an unprecedented combination of systematic global coverage of land and coastal areas, a high revisit of five days at the equator and 2 days at mid-latitudes under the same viewing conditions, high spatial resolution, and a wide field of view for multispectral observations from 13 bands in the visible, near infrared and short wave infrared range of the electromagnetic spectrum. The mission performances are routinely and closely monitored by the S2 Mission Performance Centre (MPC), including a consortium of Expert Support Laboratories (ESL). This publication focuses on the Sentinel-2 Level-1 product quality validation activities performed by the MPC. It presents an up-to-date status of the Level-1 mission performances at the beginning of the constellation routine phase. Level-1 performance validations routinely performed cover Level-1 Radiometric Validation (Equalisation Validation, Absolute Radiometry Vicarious Validation, Absolute Radiometry Cross-Mission Validation, Multi-temporal Relative Radiometry Vicarious Validation and SNR Validation), and Level-1 Geometric Validation (Geolocation Uncertainty Validation, Multi-spectral Registration Uncertainty Validation and Multi-temporal Registration Uncertainty Validation). Overall, the Sentinel-2 mission is proving very successful in terms of product quality thereby fulfilling the promises of the Copernicus program.

Paper Details

Date Published: 29 September 2017
PDF: 18 pages
Proc. SPIE 10423, Sensors, Systems, and Next-Generation Satellites XXI, 1042306 (29 September 2017); doi: 10.1117/12.2276847
Show Author Affiliations
Benjamin Francesconi, Thales Alenia Space (France)
Marion Neveu-VanMalle, Thales Alenia Space (France)
Aude Espesset, Thales Alenia Space (France)
Bahjat Alhammoud, ARGANS Ltd. (United Kingdom)
Catherine Bouzinac, CS Systèmes d'information (France)
Sébastien Clerc, ARGANS Ltd. (United Kingdom)
Ferran Gascon, European Space Agency (Italy)

Published in SPIE Proceedings Vol. 10423:
Sensors, Systems, and Next-Generation Satellites XXI
Steven P. Neeck; Jean-Loup Bézy; Toshiyoshi Kimura, Editor(s)

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