Heavy metals in the sediments of an arctic lagoon, northern Alaska
dc.contributor.author | Sweeney, Michael Devlin | |
dc.date.accessioned | 2015-03-11T21:39:52Z | |
dc.date.available | 2015-03-11T21:39:52Z | |
dc.date.issued | 1984-12 | |
dc.identifier.uri | http://hdl.handle.net/11122/5105 | |
dc.description | Thesis (M.S.) University of Alaska Fairbanks, 1984 | en_US |
dc.description.abstract | The total abundances of V, Cr, Mn, Fe, Co, Ni, Cu, and Zn in oxic, nearshore sediments of north arctic Alaska, are similar to those of corresponding pristine or pre-industrial-age sediments of many tropical-temperate regions, and thus do not reflect the unique weathering and depositional processes of the Arctic. Laboratory experiments on metal partitioning suggest that about 50% of the metal contents (<20% for V, Cr), which are bound predominantly in Fe oxides, may be mobilized into solution following the onset of reducing conditions at the sediment surface. A three-part extraction design would be effective in discriminating the three major associations of heavy metals in the sediments: easily leachable, Fe hydroxides, and refractory particles, and is recommended for use in monitoring the nearshore Beaufort Sea for future contamination by heavy metals. | en_US |
dc.language.iso | en_US | en_US |
dc.title | Heavy metals in the sediments of an arctic lagoon, northern Alaska | en_US |
dc.type | Thesis | en_US |
dc.type.degree | ms | en_US |
dc.identifier.department | Marine Science and Limnology | en_US |
refterms.dateFOA | 2020-03-05T09:41:13Z |
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Marine Biology
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