Search Results - "Bence, A. E."

Pyrogenic Polycyclic Aromatic Hydrocarbons in Sediments Record Past Human Activity: A Case Study in Prince William Sound, Alaska by Page, D.S., Boehm, P.D., Douglas, G.S., Bence, A.E., Burns, W.A., Mankiewicz, P.J.

“…Polycyclic aromatic hydrocarbons (PAH) are sensitive recorders of past human activities in Prince William Sound, Alaska. In the nearshore subtidal sediments of…”
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Organic geochemistry applied to environmental assessments of Prince William Sound, Alaska, after the Exxon Valdez oil spill—a review by Bence, A.E., Kvenvolden, K.A., Kennicutt, M.C.

“…Organic geochemistry played a major role in the environmental assessments conducted following the Exxon Valdez oil spill, which occurred on March 24, 1989, and…”
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Environmental Stability of Selected Petroleum Hydrocarbon Source and Weathering Ratios by Douglas, Gregory S, Bence, A. Edward, Prince, Roger C, McMillen, Sara J, Butler, Eric L

“…Weathering and biodegradation alter the composition of spilled oil, making it difficult to identify the source of the release and to monitor its fate in the…”
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Study of the Fates and Effects of the Exxon Valdez Oil Spill on Benthic Sediments in Two Bays in Prince William Sound, Alaska. 1. Study Design, Chemistry, and Source Fingerprinting by Boehm, P. D, Page, D. S, Gilfillan, E. S, Bence, A. E, Burns, W. A, Mankiewicz, P. J

“…This study was conducted to assess the subtidal effects of the Exxon Valdez oil spill in a large embayment in Prince William Sound, AK. A stratified…”
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Resolving the Origin of the Petrogenic Hydrocarbon Background in Prince William Sound, Alaska by Boehm, Paul D, Page, David S, Burns, William A, Bence, A. Edward, Mankiewicz, Paul J, Brown, John S

“…The dominant sources of the petrogenic hydrocarbon background in benthic sediments of Prince William Sound, AK (PWS), site of the 1989 Exxon Valdez oil spill,…”
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Application of petroleum hydrocarbon chemical fingerprinting and allocation techniques after the Exxon Valdez oil spill by Boehm, Paul D., Douglas, Gregory S., Burns, William A., Mankiewicz, Paul J., Page, David S., Bence, A.Edward

“…Advances in environmental chemistry laboratory and data interpretation techniques (i.e. chemical fingerprinting) contributed to a better understanding of the…”
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Direct Characterization of Kerogen by X-ray and Solid-State 13C Nuclear Magnetic Resonance Methods by Kelemen, S. R, Afeworki, M, Gorbaty, M. L, Sansone, M, Kwiatek, P. J, Walters, C. C, Freund, H, Siskin, M, Bence, A. E, Curry, D. J, Solum, M, Pugmire, R. J, Vandenbroucke, M, Leblond, M, Behar, F

“…A combination of solid-state 13C NMR, X-ray photoelectron spectroscopy (XPS) and sulfur X-ray absorption near edge structure (S-XANES) techniques are used to…”
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A principal-component and least-squares method for allocating polycyclic aromatic hydrocarbons in sediment to multiple sources by Burns, William A., Mankiewicz, Paul J., Bence, A. Edward, Page, David S., Parker, Keith R.

“…A method was developed to allocate polycyclic aromatic hydrocarbons (PAHs) in sediment samples to the PAH sources from which they came. The method uses…”
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Predicting oil and gas compositional yields via chemical structure–chemical yield modeling (CS-CYM): Part 1 – Concepts and implementation by Freund, Howard, Walters, Clifford C., Kelemen, Simon R., Siskin, Michael, Gorbaty, Martin L., Curry, David J., Bence, A.E.

“…The ability to predict accurately the thermal conversion of complex carbonaceous materials under a wide range of heating rates and temperatures is of value in…”
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Petroleum sources in the western Gulf of Alaska/Shelikoff Strait area by Page, David S., Boehm, Paul D., Douglas, Gregory S., Bence, A.E., Burns, William A., Mankiewicz, Paul J.

“…Some of the natural petroleum sources present in the area of Alaska that was part of the spill zone of the Exxon Valdez, are defined. PAH analytes for 5 sets…”
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An estimate of the annual input of natural petroleum hydrocarbons to seafloor sediments in prince William Sound, Alaska by Page, David S., Boehm, Paul D., Douglas, Gregory S., Bence, A.E., Burns, William A., Mankiewicz, Paul J.

“…Oleanane, which is not generally present in Alaska North Slope crude oils, was used as an indicator of seep-derived petroleum hydrocarbons in seafloor…”
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Optimizing Detection Limits for the Analysis of Petroleum Hydrocarbons in Complex Environmental Samples by Douglas, Gregory S, Burns, William A, Bence, A. Edward, Page, David S, Boehm, Paul

“…To evaluate the sources, transport, bioremediation, fate, and effects of spilled petroleum and petroleum products, environmental studies often measure parent…”
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Response to Schwartz by Boehm, P.D., Page, D.S., Brown, J.S., Neff, J.M., Bence, A.E.

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Mussels document loss of bioavailable polycyclic aromatic hydrocarbons and the return to baseline conditions for oiled shorelines in Prince William Sound, Alaska by Page, David S., Boehm, Paul D., Brown, John S., Neff, Jerry M., Burns, William. A., Bence, A. Edward

“…Polycyclic aromatic hydrocarbons (PAH) were measured in mussels ( Mytilus trossulus) collected between 1990 and 2002 from 11 sites on the shores of Prince…”
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Polycyclic Aromatic Hydrocarbon Sources Related to Biomarker Levels in Fish from Prince William Sound and the Gulf of Alaska by Page, David S, Huggett, Robert J, Stegeman, John J, Parker, Keith R, Woodin, Bruce, Brown, John S, Bence, A. Edward

“…Seafloor sediments in Prince William Sound (PWS) and the eastern Gulf of Alaska (GOA) have a substantial regional hydrocarbon background from natural sources…”
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Empirical Correction Factors for the Electron Microanalysis of Silicates and Oxides by Bence, A. E., Albee, A. L.

“…Given suitable correction factors, the use of pure oxides and binary oxide phases as standards would make electron microanalysis independent of chemical…”
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The natural petroleum hydrocarbon background in subtidal sediments of prince william sound, Alaska, USA by Page, David S., Boehm, Paul D., Douglas, Gregory S., Bence, A. Edward, Burns, William A., Mankiewicz, Paul J.

“…A natural regional petroleum hydrocarbon background has been identified in the subtidal sediments of Prince William Sound that is readily distinguished from…”
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Direct Characterization of Kerogen by X-ray and Solid-State [superscript 13]C Nuclear Magnetic Resonance Methods by Kelemen, S. R., Afeworki, M., Gorbaty, M.L., Sansone, M., Kwiatek, P.J., Walters, C.C., Freund, H., Siskin, M., Bence, A.E., Curry, D.J., Solum, M., Pugmire, R.J., Vandenbroucke, M., Leblond, M., Behar, F.

“…A combination of solid-state {sup 13}C NMR, X-ray photoelectron spectroscopy (XPS) and sulfur X-ray absorption near edge structure (S-XANES) techniques are…”
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Rare earth elements systematics of West Shasta metavolcanic rocks; petrogenesis and hydrothermal alteration by Bence, A. E, Taylor, Bruce E

“…West Shasta district bimodal volcanics (Copley Greenstone and Balaklala Rhyolite) are members of a low K calc-alkaline suite. They have rare earth element…”
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Total Organic Carbon, an Important Tool in an Holistic Approach to Hydrocarbon Source Fingerprinting by Boehm, P.D., Burns, W.A., Page, D.S., Bence, A.E., Mankiewicz, P.J., Brown, J.S., Douglas, G.S.

“…The identification and allocation of multiple hydrocarbon sources in marine sediments is best achieved using an holistic approach. Total organic carbon (TOC)…”
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