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    Emission of dimethylsulfide from Weddell Sea leads

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    2005GL024242.pdf (112.2Kb)
    Date
    2005-12-10
    Author
    Zemmelink, Hendrik J.  Concept link
    Houghton, Leah A.  Concept link
    Dacey, John W. H.  Concept link
    Worby, A. P.  Concept link
    Liss, P. S.  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/419
    As published
    https://doi.org/10.1029/2005GL024242
    DOI
    10.1029/2005GL024242
    Abstract
    The distribution of dimethylsulfide (DMS), dimethylsulfoniopropionate (DMSP) and dimethylsulfoxide (DMSO) was examined in lead water in pack ice of the Weddell Sea. Samples were taken by pulling water into a syringe from a series of depths from 0.002 m to 4 m and deeper. Concentrations of DMS, DMSP and DMSO remained low throughout the water column relative to surface water, which was highly enriched. Concentrations of the major sulfur compounds increased by over an order of magnitude during periods with smooth surface water conditions. This increase coincided with a profound stratification of the water column, caused by a decrease in salinity of near surface water. We estimate that the DMS emission from leads and open water in Antarctic sea ice could contribute significantly to the yearly DMS flux from the Southern Ocean.
    Description
    Author Posting. @ American Geophysical Union, 2005. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Geophysical Research Letters 32 (2005): L23610, doi:10.1029/2005GL024242.
    Collections
    • Biology
    • Marine Chemistry and Geochemistry (MC&G)
    Suggested Citation
    Geophysical Research Letters 32 (2005): L23610
     
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