Coastal Atmosphere & Sea Time Series (CoASTS) and Bio-Optical mapping of Marine optical Properties (BiOMaP): the hyperspectral absorption coefficients by optically significant constituents

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Abstract
The Coastal Atmosphere & Sea Time Series (CoASTS) and the Bio-Optical mapping of Marine optical Properties (BiOMaP) programs were conceived and implemented to assist ocean color applications with field measurements of apparent and inherent optical properties, as well as concentration of optically significant water constituents. The CoASTS program led to the creation of time-series of bio-optical measurements at the “Acqua Alta” Oceanographic Tower (AAOT) site in the northern Adriatic Sea continued from 1995 up to 2016. The BiOMaP program supported the collection of equivalent bio-optical measurements across European Seas from 2000 up to 2022. This work focusses on CoASTS and BiOMaP hyperspectral absorption coefficients of optically significant constituents as determined applying standardized instruments, community measurement methods, extended quality control schemes and consolidated processing. The work, which complements a previous one by Zibordi and Berthon (2024) centred on multi-spectral data, presents the CoASTS and BiOMaP hyperspectral absorption coefficients of pigmented and non-pigmented particles in the 400–750 nm interval, and colored dissolved organic matter in the 350–680 nm one, both with a 3 nm spectral resolution at 2 nm increment. The data are available at https://doi.org/10.1594/PANGAEA.993510 (Berthon and Zibordi 2026).
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Funding Information
  • Joint Research Centre (EOSS)
  • Joint Research Centre (COLORS)
  • European Commission (MAST-III)
  • European Commission (EUROFLEETS)
  • European Commission (JERICO)
  • European Commission (DG DEFIS)
  • North Atlantic Treaty Organization (Science for Peace Program)
  • National Aeronautics and Space Administration (80NSSC22M0001)
  • European Space Agency (NA)
  • Agenția Spațială Română (NA)
  • Suomen Ympäristökeskus (NA)
  • Koninklijk Belgisch Instituut voor Natuurwetenschappen (NA)
  • Université du Littoral Côte d'Opale (NA)

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