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Effect of hydrocarbon-contaminated fluctuating groundwater on magnetic properties of shallow sediments

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    0430183 - GFÚ 2015 RIV CZ eng J - Journal Article
    Ameen, N. N. - Klueglein, N. - Appel, E. - Petrovský, Eduard - Kappler, A. - Leven, C.
    Effect of hydrocarbon-contaminated fluctuating groundwater on magnetic properties of shallow sediments.
    Studia geophysica et geodaetica. Roč. 58, č. 3 (2014), s. 442-460. ISSN 0039-3169. E-ISSN 1573-1626
    R&D Projects: GA MŠMT(CZ) LG13042
    Institutional support: RVO:67985530
    Keywords : environmental magnetism * magnetic susceptibility * groundwater table fluctuation * hydrocarbon contamination * magnetite formation
    Subject RIV: DE - Earth Magnetism, Geodesy, Geography
    Impact factor: 0.806, year: 2014

    We investigate magnetic phase (trans)formation in the presence of petroleum hydrocarbons and its relation to bacterial activity, in particular in the zone of remediation driven fluctuating water levels at a former military air base in the Czech Republic. In a previous study an increase of magnetite concentration from the groundwater table towards the top of the groundwater fluctuati on zone (GWFZ) was reported, however with limited reliability as there was no control on sma ll-scale effects. To recognize statistically significant magnetic signatures versus depth, we obtained multiple sediment cores from three locations in January 2011 and April 2012, penetrating the unsaturated zone, the GWFZ and the uppermost one meter below the groundwater level.
    Permanent Link: http://hdl.handle.net/11104/0235118

     
     
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