Search Results - "Johanna M. Blake"
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New Geochemical Framework and Geographic Information System Methodologies to Assess Element Occurrence, Persistence, and Mobility in Groundwater and Surface Water
Published in Minerals (Basel) (01-04-2022)“…This study presents a geochemical framework and geographic information system (GIS) method for assessing the intrinsic potential of surface water and…”
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Differentiating anthropogenic and natural sources of uranium by geochemical fingerprinting of groundwater at the Homestake uranium mill, Milan, New Mexico, USA
Published in Environmental earth sciences (01-07-2019)“…A multiparameter geochemical-isotopic fingerprinting approach was used to differentiate anthropogenic and natural signatures of uranium contamination near the…”
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3
Application of REE geochemical signatures for Mesozoic sediment provenance to the Gettysburg Basin, Pennsylvania
Published in Sedimentary geology (15-03-2017)“…Rift basins adjacent to accreted terranes provide accommodation space for sediments eroded from these terranes. Despite similar depositional environments and…”
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Elevated Concentrations of U and Co-occurring Metals in Abandoned Mine Wastes in a Northeastern Arizona Native American Community
Published in Environmental science & technology (21-07-2015)“…The chemical interactions of U and co-occurring metals in abandoned mine wastes in a Native American community in northeastern Arizona were investigated using…”
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5
Reactive Transport of U and V from Abandoned Uranium Mine Wastes
Published in Environmental science & technology (07-11-2017)“…The reactive transport of uranium (U) and vanadium(V) from abandoned mine wastes collected from the Blue Gap/Tachee Claim-28 mine site in Arizona was…”
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Sediment cores in a municipal drinking-water reservoir as a record of geochemical transport within a watershed, Farmington Lake, New Mexico, USA
Published in Environmental earth sciences (01-02-2022)“…The geochemical record in lake sediments was investigated in four gravity-core collected sediment cores from Farmington Lake, a drinking-water reservoir, to…”
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Identifying natural and anthropogenic variability of uranium at the well scale, Homestake Superfund site, near Milan, New Mexico, USA
Published in Environmental earth sciences (01-02-2019)“…The San Mateo Creek Basin in New Mexico, USA is located within the Grants Mineral Belt-an area with numerous uranium (U) ore deposits, mines, and milling…”
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Effect of Calcium on the Bioavailability of Dissolved Uranium(VI) in Plant Roots under Circumneutral pH
Published in Environmental science & technology (20-11-2018)“…We integrated field measurements, hydroponic experiments, microscopy, and spectroscopy to investigate the effect of Ca(II) on dissolved U(VI) uptake by…”
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The occurrence and dominant controls on arsenic in the Newark and Gettysburg Basins
Published in The Science of the total environment (01-02-2015)“…Elevated arsenic (As) concentrations in groundwater and rocks have been found in crystalline and sedimentary aquifers from New England to Pennsylvania, USA…”
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10
Reactivity of As and U co-occurring in Mine Wastes in northeastern Arizona
Published in Chemical geology (20-09-2019)“…The reactivity of co-occurring arsenic (As) and uranium (U) in mine wastes was investigated using batch reactors, microscopy, spectroscopy, and aqueous…”
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Sediment record of mining legacy and water quality from a drinking-water reservoir, Aztec, New Mexico, USA
Published in Environmental earth sciences (01-09-2020)“…The record of mining legacy and water quality was investigated in sediments collected in 2018 from four trenches in the Aztec, New Mexico, drinking-water…”
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Uranium mobility and accumulation along the Rio Paguate, Jackpile Mine in Laguna Pueblo, NM
Published in Environmental science--processes & impacts (01-04-2017)“…The mobility and accumulation of uranium (U) along the Rio Paguate, adjacent to the Jackpile Mine, in Laguna Pueblo, New Mexico was investigated using aqueous…”
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13
Metal Reactivity in Laboratory Burned Wood from a Watershed Affected by Wildfires
Published in Environmental science & technology (07-08-2018)“…We investigated interfacial processes affecting metal mobility by wood ash under laboratory-controlled conditions using aqueous chemistry, microscopy, and…”
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14
Emerging investigator series: entrapment of uranium-phosphorus nanocrystals inside root cells of Tamarix plants from a mine waste site
Published in Environmental science--processes & impacts (04-02-2021)“…We investigated the mechanisms of uranium (U) uptake by Tamarix (salt cedars) growing along the Rio Paguate, which flows throughout the Jackpile mine near…”
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15
Wildfires and water chemistry: effect of metals associated with wood ash
Published in Environmental science--processes & impacts (01-08-2016)“…The reactivity of metals associated with ash from wood collected from the Valles Caldera National Preserve, Jemez Mountains, New Mexico, was assessed through a…”
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A call for strategic water-quality monitoring to advance assessment and prediction of wildfire impacts on water supplies
Published in Frontiers in water (13-03-2023)“…Wildfires pose a risk to water supplies in the western U.S. and many other parts of the world, due to the potential for degradation of water quality. However,…”
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Evidence of Long-Range Transport of Selenium Downstream of Coal Mining Operations in the Elk River Valley, Canada
Published in Environmental science & technology letters (13-08-2024)“…Expanding coal-mining operations in the Elk River Valley (British Columbia, Canada) have increased total selenium (Se) concentrations in the transboundary Lake…”
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Zinc, copper, nickel, and arsenic monitoring in natural streams using in-situ iron–manganese oxide coated stream pebbles
Published in Journal of geochemical exploration (01-11-2015)“…Elements such as zinc, copper, nickel, and arsenic pose a concern for drinking water quality and ecosystem health and tracking these often nonpoint source…”
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Reactivity of As and U co-occurring in Mine Wastes in northeastern Arizona
Published in Chemical geology (01-09-2019)Get full text
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Geologic, tectonic, and geochemical signatures leading to arsenic in groundwater in the Gettysburg Basin
Published 01-01-2014“…Exposure of humans to arsenic through drinking water may cause health impairment ranging from stomach pain and circulatory problems to skin, lung, bladder, and…”
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