Undersøkelser av hydrokarboner i sedimenter fra MAREANO-området 2006-2009

Institute of Marine Research has analysed approximately 1600 samples from sediment cores from 63 places in the MAREANO area, sampled in south-western Barents Sea and off the coast of Lofoten islands in 2006-2009. Sedimentological data obtained by Norwegian Geological Survey for sediments from the sa...

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Bibliographic Details
Main Authors: Boitsov, Stepan, Jensen, Henning K. B., Klungsøyr, Jarle
Format: Report
Language:unknown
Published: Havforskningsinstituttet 2011
Subjects:
hydrocarbons
hydrokarboner
sediments
sedimenter
VDP::Mathematics and natural science: 400::Geosciences: 450::Marine geology: 466
Barents Sea
Klif
Lofoten
Online Access:http://hdl.handle.net/11250/116979
Description
Summary:Institute of Marine Research has analysed approximately 1600 samples from sediment cores from 63 places in the MAREANO area, sampled in south-western Barents Sea and off the coast of Lofoten islands in 2006-2009. Sedimentological data obtained by Norwegian Geological Survey for sediments from the same area was combined with the measurements of hydrocarbons (PAH and total hydrocarbon content, THC). Low levels of hydrocarbons are found at all the locations, corresponding to KLIF classes I and II for PAH16, witb an increase in combustion-related PAH in modern sediment layers at coastal and southernmost locations. An increase in oilrelated PAH in deep sediments found a few places near known oil- and gas-fields is attributed to natural sources.

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