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    Discerning dominant temporal patterns of bio-optical properties in the northwestern Mediterranean Sea (BOUSSOLE site)

    Access Status
    Fulltext not available
    Authors
    Bellacicco, M.
    Vellucci, V.
    D'Ortenzio, F.
    Antoine, David
    Date
    2019
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Bellacicco, M. and Vellucci, V. and D'Ortenzio, F. and Antoine, D. 2019. Discerning dominant temporal patterns of bio-optical properties in the northwestern Mediterranean Sea (BOUSSOLE site). Deep-Sea Research Part I: Oceanographic Research Papers. 148: pp. 12-24.
    Source Title
    Deep-Sea Research Part I: Oceanographic Research Papers
    DOI
    10.1016/j.dsr.2019.04.006
    ISSN
    0967-0637
    Faculty
    Faculty of Science and Engineering
    School
    School of Earth and Planetary Sciences (EPS)
    URI
    http://hdl.handle.net/20.500.11937/79150
    Collection
    • Curtin Research Publications
    Abstract

    © 2019 A wavelet analysis has been applied, for the first time, to 3-year high-frequency field observations of bio-optical properties (i.e. chlorophyll-fluorescence, beam attenuation and backscattering coefficients) in the northwestern Mediterranean Sea (BOUSSOLE site), in order to identify their dominant temporal patterns and evolution. A cross-wavelet and coherence analysis has also been applied to paired bio-optical coefficients time-series at the BOUSSOLE site, which allows identifying the temporal relationship between the cycles of the bio-optical properties. Annual, six- and four-month, intra-seasonal (i.e., mid- and short-terms) cycles are identified from the time-series analysis. The periodicities of chlorophyll-fluorescence, beam attenuation and particulate backscattering coefficients correlate well at different temporal scales and specific seasons. At annual, six- and four-month scales, different bio-optical properties follow rather similar patterns, likely driven by physical forcing. Intra-seasonal variability consists in both mid- and short-term variations. The former dominates during the winter and are related to episodic bloom events, while the latter variations (i.e., diel) prevail during summer, in a stratified water column.

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