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  • Modelling the production and cycling of dimethylsulphide during the vernal bloom in the Barents Sea

    Author(s)
    Gabric, AJ
    Matrai, PA
    Vernet, M
    Griffith University Author(s)
    Gabric, Albert J.
    Year published
    1999
    Metadata
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    Abstract
    Recent field work suggests an important ro^le for the Arctic Ocean in the global budget of dimethylsulphide (DMS), a climatically active volatile sulphur compound. Here, we have used an existing DMS production model and local field data to examine the temporal dynamics of the DMS cycle during the spring bloom in the Arctic shelf of the Barents Sea. The timing and duration of the spring phytoplankton bloom has been shown to be a key determinant of the flux of DMS to the atmosphere. Particular oceanic conditions due to the retreating ice-edge (e.g., a shallow mixed layer) can have an important effect on the timing of the ...
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    Recent field work suggests an important ro^le for the Arctic Ocean in the global budget of dimethylsulphide (DMS), a climatically active volatile sulphur compound. Here, we have used an existing DMS production model and local field data to examine the temporal dynamics of the DMS cycle during the spring bloom in the Arctic shelf of the Barents Sea. The timing and duration of the spring phytoplankton bloom has been shown to be a key determinant of the flux of DMS to the atmosphere. Particular oceanic conditions due to the retreating ice-edge (e.g., a shallow mixed layer) can have an important effect on the timing of the phytoplankton bloom and thus the effux of DMS in this region. Model simulations support the view that algal taxonomy is not the most important factor determining DMS production in these waters. The mean vernal DMS flux is predicted to be 0.063 mg S m-2 d-1 which is in general agreement with previous summer season averages in the Arctic.
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    Journal Title
    Tellus Series B: Chemical and Physical Meteorology
    Volume
    51
    Issue
    5
    DOI
    https://doi.org/10.3402/tellusb.v51i5.16505
    Subject
    Atmospheric Sciences
    Environmental Science and Management
    Publication URI
    http://hdl.handle.net/10072/121824
    Collection
    • Journal articles

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