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Pré-Publication, Document De Travail Année : 2022

Real-time quality control of optical backscattering data from Biogeochemical-Argo floats

Udaya Bhaskar Tvs
  • Fonction : Auteur
Jodi Brewster
  • Fonction : Auteur
Matt Donnelly
  • Fonction : Auteur
Tanya Maurer
Violetta Paba
Josh Plant
  • Fonction : Auteur
Claudia Schmid
  • Fonction : Auteur

Résumé

Background: Biogeochemical-Argo floats are collecting an unprecedented number of profiles of optical backscattering measurements in the global ocean. Backscattering (BBP) data are crucial to understanding ocean particle dynamics and the biological carbon pump. Yet, so far, no procedures have been agreed upon to quality control BBP data in real time. Methods: Here, we present a new suite of real-time quality-control tests and apply them to the current global BBP Argo dataset. The tests were developed by expert BBP users and Argo data managers and have been implemented on a snapshot of the entire Argo dataset. Results: The new tests are able to automatically flag most of the “bad” BBP profiles from the raw dataset. Conclusions: The proposed tests have been approved by the Biogeochemical-Argo Data Management Team and will be implemented by the Argo Data Assembly Centres to deliver real-time quality-controlled profiles of optical backscattering. Provided they reach a pressure of about 1000 dbar, these tests could also be applied to BBP profiles collected by other platforms.
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Dates et versions

hal-03955875 , version 1 (26-01-2023)

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Paternité

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Giorgio Dall'Olmo, Udaya Bhaskar Tvs, Henry Bittig, Emmanuel Boss, Jodi Brewster, et al.. Real-time quality control of optical backscattering data from Biogeochemical-Argo floats. 2023. ⟨hal-03955875⟩
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