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Skip to Search Results- 12Alessi, Daniel (Earth and Atmospheric Sciences)
- 3Konhauser, Kurt (Earth and Atmospheric Sciences)
- 1Faramarzi, Monireh (Earth and Atmospheric Sciences)
- 1Konhauser, Kurt (Earth and Atmospheric Sciences)
- 1Konhauser,Kurt (Earth and Atmospheric Sciences)
- 1Lanoil, Brian (Biological Sciences)
- 1Chunn, David
- 1Cossio Kohler, Manuel G
- 1Hao, Weiduo
- 1Hokanson, Kelly J
- 1MacPherson, Neil
- 1Plata Enriquez, Isabel
- 2Flowback and produced water
- 2Hydraulic Fracturing
- 2hydrogeology
- 116S rRNA gene sequencing
- 1Alberta
- 1Athabasca basin
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Fall 2020
Green rust (GR) is a group of mixed FeII and FeIII hydroxide minerals and is an important phase in both modern and ancient geochemical systems. For this reason, establishing the thermodynamic properties of GR is vital to understanding and modelling its role in natural systems. In this study,...
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Spring 2022
Cyanobacteria are among the most abundant primary producers in the oceans and are present in nearly every environment on the planet. They were one of the first organisms to evolve nearly 3.8 billion years ago, making them excellent analogs for the investigation of ancient ocean chemistry. The...
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Microbial Community Dynamics in the Hydraulic Fracturing Water Cycle from Two Newly Fractured Shale Gas Wells in the Duvernay Formation, Alberta
DownloadFall 2017
The microbial ecology of the hydraulic fracturing water cycle may influence the efficiency of shale gas production and strategies for water reuse and treatment. In this study, microbial community dynamics were tracked by sequencing of 16S rRNA genes coupled with enumeration of live/dead cells in...
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Fall 2017
Biochar has received significant attention as an innovative sorbent for treating heavy metal contamination due to its high surface reactivity and sorption capacity, ease of manufacture and low production cost. Most studies involving chromium removal from solution by biochar have focused on...
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Lithium Recovery from Hydraulic Fracturing Flowback and Produced Water using a Manganese-Based Sorbent
DownloadFall 2020
Increased demand for lithium products for use in lithium ion batteries has led to a search for new lithium resources in recent years in order to meet projected future consumption. One such potential lithium resource is low lithium bearing brines that are discharged from hydraulically fractured...
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Groundwater movement in heterogeneous, water-limited, low-relief landscapes: understanding interactions of geology, topography, and climate at multiple spatiotemporal scales
DownloadFall 2021
The low-relief, sub-humid Boreal Plains (BP) region of Canada, is characterized by pond-peatland-forestland complexes underlain by thick glacial deposits, which result in inter-dependent surface water processes and groundwater flow systems with varying spatiotemporal controls. A fundamental...
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Effects of salinity on the leaching of ionic species from the Duvernay Formation, a Canadian hydraulic fracturing play
DownloadSpring 2021
Hydraulic fracturing combined with horizontal drilling has revolutionized the oil and gas industry in North America. The majority of Canada’s hydraulic fracturing operations are in Alberta and British Columbia, with the Montney and Duvernay formations ranked highest in five hydraulically...
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Spring 2020
Clay minerals are ubiquitous at the Earth’s surface and they impart a significant influence on numerous geochemical cycles due to their high surface reactivity. Aqueous pH and ionic strength (hereafter IS) are two major factors that affect clay surface reactivity and subsequently govern trace...
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Biogeochemistry of meromictic pit lakes and permeable reactive barriers at the Cluff Lake uranium mine
DownloadFall 2019
Mining generates not only vast amounts of waste rock and tailings but is also responsible for far-reaching contamination of soil, groundwater, and surface water, which often requires remediation. This thesis focused on the biogeochemistry of two types of remediation technologies applied at the...
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Fall 2018
Banded iron formations (BIF) are a key chemical sedimentary record for examining the evolution of the early oceans, atmosphere, and biosphere. While the classic model suggests that BIF were deposited by either anoxygenic photoferrotrophs or oxygen producing cyanobacteria, recent studies have...