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    Dimethylsulfide emissions over the multi-year ice of the western Weddell Sea

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    2007GL031847.pdf (133.7Kb)
    Date
    2008-03-20
    Author
    Zemmelink, Hendrik J.  Concept link
    Dacey, John W. H.  Concept link
    Houghton, Leah A.  Concept link
    Hintsa, Eric J.  Concept link
    Liss, P. S.  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/3351
    As published
    https://doi.org/10.1029/2007GL031847
    DOI
    10.1029/2007GL031847
    Keyword
     Dimethylsulfide; Multi-year ice; Weddell Sea 
    Abstract
    This study, conducted in December 2004, is the first to present observations of DMS in a snow pack covering the multi-year sea ice of the western Weddell Sea. The snow layer is important because it is the interface through which DMS needs to be transported in order to be emitted directly from the ice to the overlying atmosphere. High concentrations of DMS, up to 6000 nmol m−3, were found during the first weeks of December but concentrations sharply decline as late spring-early summer progresses. This implies that DMS contained in sea ice is efficiently vented through the snow into the atmosphere. Indeed, field measurements by relaxed eddy accumulation indicate an average release of 11 μmol DMS m−2 d−1 from the ice and snow throughout December.
    Description
    Author Posting. © American Geophysical Union, 2008. 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 35 (2008): L06603, doi:10.1029/2007GL031847.
    Collections
    • Biology
    • Marine Chemistry and Geochemistry (MC&G)
    Suggested Citation
    Geophysical Research Letters 35 (2008): L06603
     

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