Zobrazeno 1 - 10 of 68 pro vyhledávání: '"Charles Gobeil"'
2
Modeling the carbon isotope signatures of methane and dissolved inorganic carbon to unravel mineralization pathways in boreal lake sediments
Autor: André Tessier, Yves Gélinas, Charles Gobeil, François Clayer, Anja Moritz
Publikováno v: Geochimica et Cosmochimica Acta. 229:36-52
Vertical profiles of the concentration and isotopic composition (δ13C) of methane (CH4) and dissolved inorganic carbon (DIC), as well as of ancillary parameters, were obtained in the top 25 cm of a sediment column in a seasonally anoxic basin from a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::eac1565fb5085ae8ef0051ceced61f79
https://doi.org/10.1016/j.gca.2018.02.012
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3
Mercury and stable isotope cycles in baleen plates are consistent with year-round feeding in two bowhead whale (Balaena mysticetus) populations
Autor: Charles Gobeil, Corinne Pomerleau, Steven H. Ferguson, Gary A. Stern, Robie W. Macdonald, Cory J. D. Matthews
Publikováno v: Polar Biology. 41:1881-1893
Previous studies have demonstrated that the analysis of biogeochemical tracers along baleen can provide seasonal, annual, and longer term insights into whale movements, habitat use, diet, and ecosystem processes. We measured the mercury (Hg) concentr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d225db2e3117430a520e5fd618bfc4a2
https://doi.org/10.1007/s00300-018-2329-y
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4
Early diagenesis and trace element accumulation in North American Arctic margin sediments
Autor: Charles Gobeil, Robie W. Macdonald, Zou Zou A. Kuzyk, Miguel A. Goñi
Publikováno v: Geochimica et Cosmochimica Acta. 203:175-200
Concentrations of redox-sensitive elements (S, Mn, Mo, U, Cd, Re) were analyzed in a set of 27 sediment cores collected along the North American Arctic margin (NAAM) from the North Bering Sea to Davis Strait via the Canadian Archipelago. Sedimentary
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4d51b36e71898d408e819deb1912ced3
https://doi.org/10.1016/j.gca.2016.12.015
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5
Non-steady state diagenesis of organic and inorganic sulfur in lake sediments
Autor: Charles Gobeil, Rachele Fischer, Raoul-Marie Couture, Philippe Van Cappellen
Publikováno v: Geochimica et Cosmochimica Acta. 194:15-33
Sulfur controls the fate of many geochemical elements in lake sediments, including iron, phosphorus and environmentally important trace elements. We measured the speciation of pore-water and sediment-bound sulfur (aqueous sulfate and sulfides, elemen
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7bd9e51df1440cf30f4e4f9f4885ec17
https://doi.org/10.1016/j.gca.2016.08.029
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7
Isotopic Evidence for Oil Sands Petroleum Coke in the Peace–Athabasca Delta
Autor: Josué J. Jautzy, Martine M. Savard, Anna Smirnoff, Jason M. E. Ahad, Charles Gobeil, Benjamin D. Barst
Publikováno v: Environmental Science & Technology. 49:12062-12070
The continued growth of mining and upgrading activities in Canada's Athabasca oil sands (AOS) region has led to concerns about emissions of contaminants such as polycyclic aromatic hydrocarbons (PAHs). Whereas a recent increase in PAH emissions has b
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f96b3d2e77c3f0ef94be42ed27df55c0
https://doi.org/10.1021/acs.est.5b03232
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8
Source Apportionment of Background PAHs in the Peace-Athabasca Delta (Alberta, Canada) Using Molecular Level Radiocarbon Analysis
Autor: Josué J. Jautzy, Johan A. Wiklund, Charles Gobeil, Martine M. Savard, Jason M. E. Ahad, Roland I. Hall, Brent B. Wolfe
Publikováno v: Environmental Science & Technology. 49:9056-9063
The downstream accumulation of polycyclic aromatic hydrocarbons (PAHs) in the Peace-Athabasca Delta (PAD), an ecologically important landscape, is a key issue of concern given the rapid development of the oil sands industry in Northern Alberta, Canad
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::480ba0255f4ee74905f78e7d81b3fc3c
https://doi.org/10.1021/acs.est.5b01490
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9
Distribution and sources of organic matter in surface marine sediments across the North American Arctic margin
Autor: Robie W. Macdonald, Zou Zou A. Kuzyk, Charles Gobeil, Alison E. O'Connor, Miguel A. Goñi, Mark B. Yunker
Publikováno v: Journal of Geophysical Research: Oceans. 118:4017-4035
[1] As part of the International Polar Year research program, we conducted a survey of surface marine sediments from box cores along a section extending from the Bering Sea to Davis Strait via the Canadian Archipelago. We used bulk elemental and isot
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a23f53efd5c57dc8a15f077afeed8437
https://doi.org/10.1002/jgrc.20286
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10
Upper Mississippi Pb as a mid-1800s chronostratigraphic marker in sediments from seasonally anoxic lakes in Eastern Canada
Autor: Charles Gobeil, André Tessier, Raoul-Marie Couture
Publikováno v: Geochimica et Cosmochimica Acta. 113:125-135
Sediment cores from eight headwater lakes located in Southern Quebec, Eastern Canada, were analyzed for Pb, stable Pb isotopes, and the radioelements 210 Pb, 137 Cs, 241 Am and 226 Ra. The depth profiles of stable Pb isotope ratios show, for the post
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f89e6dc26c59b3b2f43d3011b1ebe3ae
https://doi.org/10.1016/j.gca.2013.02.023
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