Browsing by Author "Wakeham S.G."
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Browsing by Author "Wakeham S.G."
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Wakeham S.G.; Lewis C.M.; Hopmans E.C.; Schouten S.; Sinninghe Damsté J.S. (2003)We evaluate anaerobic oxidation of methane (AOM) in the Black Sea water column by determining distributions of archaea-specific glyceryl dialkyl glyceryl tetraethers (GDGTs) and 13C isotopic compositions of their constituent ...
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Wakeham S.G.; Hopmans E.C.; Schouten S.; Sinninghe Damsté J.S. (2004)The Black Sea and the Cariaco Basin are both large, euxinic marine basins in which methane concentrations are high and where anaerobic oxidation of methane (AOM) is an important part of the carbon cycle. AOM can be recognized ...
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Damste J.S.S.; Erkes A.M.W.E.P.; Rijpstra W.I.C.; De Leeuw J.W.; Wakeham S.G. (1995)A series of novel C32-C36 polymethylhentriacontenes has been identified in near-surface sediments of the Black Sea. Hydrogenation of these components indicated that they possess the 5,8,14,24,27-pentamethyl-, 8,14,24,27- ...
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Popp B.N.; Laws E.A.; Bidigare R.R.; Dore J.E.; Hanson K.L.; Wakeham S.G. (1998)The carbon isotopic compositions of the marine diatom Porosira glacialis and the marine cyanobacterium Synechococcus sp. were measured over a series of growth rates (μ) in a continuous culture system in which the concentration ...
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Sun M.Y.I.; Aller R.C.; Lee C.; Wakeham S.G. (2002)Degradation patterns of sedimentary algal lipids were tracked with time under variable redox treatments designed to mimic conditions in organic-rich, bioturbated deposits. Uniformly 13C-labeled algae were mixed with Long ...
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Schouten S.; Wakeham S.G.; Damste J.S.S. (2001)13C-depleted archaeal-derived ether-bound cyclic biphytanes occur in particulate organic matter from the euxinic waters of the Black Sea. These strongly 13C-depleted biomarkers (up to -58%%) provide evidence that archaea ...
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Ingalls A.E.; Aller R.C.; Lee C.; Wakeham S.G. (2004)Muddy carbonate deposits near the Dry Tortugas, Florida, are characterized by high organic carbon remineralization rates. However, approximately half of the total sedimentary organic matter potentially supporting ...
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Wakeham S.G.; Sinninghe Damste J.S.; Kohnen M.E.L.; De Leeuw J.W. (1995)Sediments from Units I and II of the Black Sea were analyzed to assess the early diagenetic formation of organic sulfur compounds (OSC). A series of isomeric C28-2,4-dialkylthiophenes was found at low concentrations in ...
Now showing items 1-8 of 8