Search Results - "McKinley, James P"
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Persistence of uranium groundwater plumes: Contrasting mechanisms at two DOE sites in the groundwater–river interaction zone
Published in Journal of contaminant hydrology (01-04-2013)“…We examine subsurface uranium (U) plumes at two U.S. Department of Energy sites that are located near large river systems and are influenced by…”
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Uranium in Framboidal Pyrite from a Naturally Bioreduced Alluvial Sediment
Published in Environmental science & technology (15-11-2009)“…Samples of a naturally bioreduced, U-contaminated alluvial sediment were characterized with various microscopic and spectroscopic techniques and wet chemical…”
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3
Fe-phyllosilicate redox cycling organisms from a redox transition zone in Hanford 300 Area sediments
Published in Frontiers in microbiology (2013)“…Microorganisms capable of reducing or oxidizing structural iron (Fe) in Fe-bearing phyllosilicate minerals were enriched and isolated from a subsurface redox…”
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4
Sorption of Cs + to micaceous subsurface sediments from the Hanford site, USA
Published in Geochimica et cosmochimica acta (01-01-2002)“…The sorption of Cs + was investigated over a large concentration range (10 −9−10 −2 mol/L) on subsurface sediments from a United States nuclear materials site…”
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5
Reduction of TcO4− by sediment-associated biogenic Fe(II)
Published in Geochimica et cosmochimica acta (01-08-2004)Get full text
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Microscale Distribution of Cesium Sorbed to Biotite and Muscovite
Published in Environmental science & technology (15-02-2004)“…Individual 1−3 mm biotite and muscovite clasts from Hanford sediment were contacted with 0.08 M CsNO3. They were examined using electron or X-ray microprobe…”
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Chromium transport in an acidic waste contaminated subsurface medium: The role of reduction
Published in Chemosphere (Oxford) (01-12-2010)“…A series of wet chemical extractions and column experiments, combined with electron microprobe analysis (EMPA) and X-ray photoelectron spectroscopy (XPS)…”
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Cryogenic Laser Induced U(VI) Fluorescence Studies of a U(VI) Substituted Natural Calcite: Implications to U(VI) Speciation in Contaminated Hanford Sediments
Published in Environmental science & technology (15-04-2005)“…Time-resolved laser-induced fluorescence spectroscopy (TRLFS) and imaging spectromicroscopy (TRLFISM) were used to examine the chemical speciation of uranyl in…”
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Lithoautotrophic microbial ecosystems in deep basalt aquifers
Published in Science (American Association for the Advancement of Science) (20-10-1995)“…Bacterial communities were detected in deep crystalline rock aquifers within the Columbia River Basalt Group (CRB). CRB ground waters contained up to 60 μM…”
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Establishing a geochemical heterogeneity model for a contaminated vadose zone — Aquifer system
Published in Journal of contaminant hydrology (01-10-2013)“…A large set of sediment samples from a 1600m2 experimental plot within a 2.2km2 vadose zone and groundwater uranium (VI) plume was subject to physical,…”
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Water column particulate matter: A key contributor to phosphorus regeneration in a coastal eutrophic environment, the Chesapeake Bay
Published in Journal of geophysical research. Biogeosciences (01-04-2017)“…Particulate phosphorus (PP) in the water column is an essential component of phosphorus (P) cycling in the Chesapeake Bay because P often limits primary…”
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12
Microscopic reactive diffusion of uranium in the contaminated sediments at Hanford, United States
Published in Water resources research (01-12-2006)“…1 Microscopic and spectroscopic analyses of uranium-contaminated sediments from select locations at the U.S. Department of Energy (DOE) Hanford site have…”
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Diversity and Characterization of Sulfate-Reducing Bacteria in Groundwater at a Uranium Mill Tailings Site
Published in Applied and Environmental Microbiology (01-07-2001)“…Classifications Services AEM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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14
Pathways of Aqueous Cr(VI) Attenuation in a Slightly Alkaline Oxic Subsurface
Published in Environmental science & technology (15-02-2009)“…Column experiments combined with geochemical modeling, microscopic inspections, spectroscopic interrogations, and wet chemical extractions were used to study…”
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15
Abiotic Controls on H2 Production from Basalt−Water Reactions and Implications for Aquifer Biogeochemistry
Published in Environmental science & technology (01-03-2000)“…Abiotic production of H2 from basalt reactions in aqueous solutions is hypothesized to support microbial ecosystems in deep subsurface aquifers, such as those…”
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Persistence of chromate in vadose zone and aquifer sediments in Hanford, Washington
Published in The Science of the total environment (01-08-2019)“…This study of vadose zone and aquifer sediments beneath a former dichromate spill site showed that the persistence of CrVI in the sediments and the large…”
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(99)Tc(VII) Retardation, Reduction, and Redox Rate Scaling in Naturally Reduced Sediments
Published in Environmental science & technology (17-11-2015)“…An experimental and modeling study was conducted to investigate pertechnetate (Tc(VII)O4(-)) retardation, reduction, and rate scaling in three sediments from…”
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Reduction of pertechnetate [Tc(VII)] by aqueous Fe(II) and the nature of solid phase redox products
Published in Geochimica et cosmochimica acta (01-05-2007)“…The subsurface behaviour of 99Tc, a contaminant resulting from nuclear fuels reprocessing, is dependent on its valence (e.g., IV or VII). Abiotic reduction of…”
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Coupling among Microbial Communities, Biogeochemistry and Mineralogy across Biogeochemical Facies
Published in Scientific reports (29-07-2016)“…Physical properties of sediments are commonly used to define subsurface lithofacies and these same physical properties influence subsurface microbial…”
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Microbial mineral colonization across a subsurface redox transition zone
Published in Frontiers in microbiology (28-08-2015)“…This study employed 16S rRNA gene amplicon pyrosequencing to examine the hypothesis that chemolithotrophic Fe(II)-oxidizing bacteria (FeOB) would…”
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