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ProVal: A New Autonomous Profiling Float for High Quality Radiometric Measurements 5
Leymarie, Edouard; Penkerc'H, Christophe; Vellucci, Vincenzo; Lerebourg, Christophe; Antoine, David; Boss, Emmanuel; Lewis, Marion R.; D'Ortenzio, Fabrizio; Claustre, Herve.
An efficient system to produce in situ high quality radiometric measurements is compulsory to rigorously perform the vicarious calibration of satellite sensors dedicated to Ocean Color Radiometry (OCR) and to validate their derived products. This requirement is especially needed during the early stages of an OCR satellite activity or for remote areas poorly covered by oceanographic cruises with possible bio-optical anomalies. Taking advantage of Argo's profiling float technology, we present a new autonomous profiling float dedicated to in situ radiometric measurements. The float is based on the Provor CTS5 (manufacturer NKE) with an added novel two protruding arm design allowing for sensor redundancies, shading mitigation and near-surface data. Equipped...
Tipo: Text Palavras-chave: Autonomous profiling floats; Remote sensing reflectance; Ocean color; Validation; System vicarious calibration; Austral ocean; Mediterranean Sea; Radiometric measurement.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00585/69694/67579.pdf
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ROSACE: A Proposed European Design for the Copernicus Ocean Colour System Vicarious Calibration Infrastructure 5
Antoine, David; Vellucci, Vincenzo; Banks, Andrew C.; Bardey, Philippe; Bretagnon, Marine; Bruniquel, Véronique; Deru, Alexis; Hembise Fanton D’andon, Odile; Lerebourg, Christophe; Mangin, Antoine; Crozel, Didier; Victori, Stéphane; Kalampokis, Alkiviadis; Karageorgis, Aristomenis P.; Petihakis, George; Psarra, Stella; Golbol, Melek; Leymarie, Edouard; Bialek, Agnieszka; Fox, Nigel; Hunt, Samuel; Kuusk, Joel; Laizans, Kaspars; Kanakidou, Maria.
The European Copernicus programme ensures long-term delivery of high-quality, global satellite ocean colour radiometry (OCR) observations from its Sentinel-3 (S3) satellite series carrying the ocean and land colour instrument (OLCI). In particular, the S3/OLCI provides marine water leaving reflectance and derived products to the Copernicus marine environment monitoring service, CMEMS, for which data quality is of paramount importance. This is why OCR system vicarious calibration (OC-SVC), which allows uncertainties of these products to stay within required specifications, is crucial. The European organisation for the exploitation of meteorological satellites (EUMETSAT) operates the S3/OLCI marine ground segment, and envisions having an SVC infrastructure...
Tipo: Text Palavras-chave: Satellite ocean colour; System vicarious calibration; Fiducial reference measurements; Radiometry; SI-traceability; Uncertainty budget; Mediterranean Sea; BOUSSOLE; MSEA.
Ano: 2020 URL: https://archimer.ifremer.fr/doc/00629/74136/73601.pdf
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