Search Results - "Eglinton, T.I."

Bacterial incorporation of relict carbon in the hydrothermal environment of Guaymas Basin by Pearson, A., Seewald, J.S., Eglinton, T.I.

“…Radiocarbon analyses of bulk carbon and individual organic compounds are presented for the hydrothermal environment of the Rebecca’s Roost vent in the southern…”
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Asynchronous alkenone and foraminifera records from the Benguela Upwelling System by Mollenhauer, G, Eglinton, T.I, Ohkouchi, N, Schneider, R.R, Müller, P.J, Grootes, P.M, Rullkötter, J

“…Radiocarbon stratigraphy is an essential tool for high resolution paleoceanographic studies. Age models based on radiocarbon ages of foraminifera are commonly…”
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A field study of the chemical weathering of ancient sedimentary organic matter by Petsch, S.T, Berner, R.A, Eglinton, T.I

“…Weathering profiles developed on organic carbon-rich black shales were studied to examine the loss and degradation of organic matter (OM) during weathering and…”
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The importance of ultrafine particles as a control on the distribution of organic carbon in Washington Margin and Cascadia Basin sediments by Coppola, L., Gustafsson, Ö., Andersson, P., Eglinton, T.I., Uchida, M., Dickens, A.F.

“…The combined effects of hydrodynamic particle sorting, sorptive protection and oxygen exposure time (OET) on the distribution of organic carbon in continental…”
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An intercomparison of cross-flow filtration techniques used for sampling marine colloids: Overview and organic carbon results by Buesseler, K.O., Bauer, J.E., Chen, R.F., Eglinton, T.I., Gustafsson, O., Landing, W., Mopper, K., Moran, S.B., Santschi, P.H., VernonClark, R., Wells, M.L.

“…An intercomparison was conducted between 14 different cross-flow filtration (CFF) systems. Each CFF membrane had a 1000 nominal molecular weight cut-off, and…”
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Event-dominated transport, provenance, and burial of organic carbon in the Japan Trench by Schwestermann, T., Eglinton, T.I., Haghipour, N., McNichol, A.P., Ikehara, K., Strasser, M.

“…•2000-year record of marine organic carbon deposition along the entire Japan Trench.•Canyons do not efficiently funnel terrestrial carbon into the Japan…”
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Compound-Specific Radiocarbon Analysis by Elemental Analyzer–Accelerator Mass Spectrometry: Precision and Limitations by Haghipour, N, Ausin, B, Usman, M. O, Ishikawa, N, Wacker, L, Welte, C, Ueda, K, Eglinton, T. I

“…We examine instrumental and methodological capabilities for microscale (10–50 μg of C) radiocarbon analysis of individual compounds in the context of…”
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The fate of fluvially-deposited organic carbon during transient floodplain storage by Scheingross, J.S., Repasch, M.N., Hovius, N., Sachse, D., Lupker, M., Fuchs, M., Halevy, I., Gröcke, D.R., Golombek, N.Y., Haghipour, N., Eglinton, T.I., Orfeo, O., Schleicher, A.M.

“…•Fluvially-deposited particulate organic carbon (POC) is oxidized during floodplain storage.•∼80% of POC is oxidized over ∼103 yr of storage in the Rio…”
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Activation of old carbon by erosion of coastal and subsea permafrost in Arctic Siberia by Vonk, J. E., Sánchez-García, L., van Dongen, B. E., Alling, V., Kosmach, D., Charkin, A., Semiletov, I. P., Dudarev, O. V., Shakhova, N., Roos, P., Eglinton, T. I., Andersson, A., Gustafsson, Ö.

“…Extensive release of carbon from coastal permafrost is found to dominate the sedimentary carbon budget of the world’s largest continental shelf, with about…”
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Abrupt tropical vegetation response to rapid climate changes by Hughen, K.A, Eglinton, T.I, Xu, L, Makou, M

“…Identifying leads and lags between high- and low-latitude abrupt climate shifts is needed to understand where and how such events were triggered. Vascular…”
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Unusual C35 to C38 alkenones in mid-Holocene sediments from a restricted estuary (Charlotte Harbor, Florida) by van Soelen, E.E., Lammers, J.M., Eglinton, T.I., Sinninghe Damsté, J.S., Reichart, G.J.

“…•C35–C38 alkenones were found in mid-Holocene sediments of a Florida estuary.•The dominant alkenone was a C36 diunsaturated (ω15,20) ethyl alkenone.•δD of C36…”
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Microbial transformations of organic matter in black shales and implications for global biogeochemical cycles by Petsch, S.T., Edwards, K.J., Eglinton, T.I.

“…The various roles that microorganisms play in transformation of organic matter in geologic environments are yet to be fully revealed. Many of these roles…”
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Gas Chromatographic Isolation of Individual Compounds from Complex Matrices for Radiocarbon Dating by Eglinton, Timothy I, Aluwihare, Lihini I, Bauer, James E, Druffel, Ellen R. M, McNichol, Ann P

“…This paper describes the application of a novel, practical approach for isolation of individual compounds from complex organic matrices for natural abundance…”
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The origin of n -alkanes in Santa Monica Basin surface sediment: a model based on compound-specific Δ 14 C and δ 13 C data by Pearson, A., Eglinton, T.I.

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Particle properties and paleoceanographic proxies by Eglinton, T.I., Hwang, J., Ohkouchi, N., Francois, R., Montlucon, D., Manganini, S.

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A Critical Evaluation of Interlaboratory Data on Total, Elemental, and Isotopic Carbon in the Carbonaceous Particle Reference Material, NIST SRM 1649a by Currie, L A, Benner, Jr, B A, Kessler, J D, Klinedinst, D B, Klouda, G A, Marolf, J V, Slater, J F, Wise, S A, Cachier, H, Cary, R, Chow, J C, Watson, J, Druffel, E R M, Masiello, C A, Eglinton, T I, Pearson, A, Reddy, C M, Gustafsson, Ö, Quinn, J G, Hartmann, P C, Hedges, J I, Prentice, K M, Kirchstetter, T W, Novakow, T, Puxbaum, H, Schmid, H

“…Because of increased interest in the marine and atmospheric sciences in elemental carbon (EC), or black carbon (BC) or soot carbon (SC), and because of the…”
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Abundance, distribution and δ 13 C analysis of microbial phospholipid-derived fatty acids in a black shale weathering profile by Petsch, S.T, Edwards, K.J, Eglinton, T.I

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High-resolution multi-molecular records from North Atlantic drift sediments (ODP Sites 980, 984) reflecting Late Quaternary/Holocene climate and ocean dynamics by Holtvoeth, J., Wagner, T., Johnson, C., Meggers, H., Mollenhauer, G., Montluçon, D., McManus, J.F., Oppo, D.W., Eglinton, T.I.

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Multi-isotopic constraints on the origin and fate of n-alkyl lipids in recent sediments by Eglinton, T.I., Ohkouchi, N., Drenzek, N., Dickens, A., Mollenhauer, G., Schefuss, E., Sessions, A., Montlucon, D., Sylva, S., Hayes, J.M.

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Identification of a novel alkenone in Black Sea sediments by Xu, L., Reddy, C.M., Farrington, J.W., Frysinger, G.S., Gaines, R.B., Johnson, C.G., Nelson, R.K., Eglinton, T.I.

“…We report the identification of a novel long-chain ketone in Holocene Black Sea sediments. Based on chemical properties, and chromatographic and mass…”
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