Search Results - "Mays, David C"
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Changes in permeability caused by transient stresses: Field observations, experiments, and mechanisms
Published in Reviews of geophysics (1985) (01-06-2012)“…Oscillations in stress, such as those created by earthquakes, can increase permeability and fluid mobility in geologic media. In natural systems, strain…”
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2
Experiments and Simulations on Plume Spreading by Engineered Injection and Extraction in Refractive Index Matched Porous Media
Published in Water resources research (01-02-2023)“…Engineered injection and extraction (EIE) is an in situ groundwater remediation strategy that imposes an engineered spatially and temporally varying velocity…”
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3
Predicting nonpoint stormwater runoff quality from land use
Published in PloS one (09-05-2018)“…Evaluating the impact of urban development on natural ecosystem processes has become an increasingly complex task for planners, environmental scientists, and…”
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4
Infiltration and Clogging by Sand and Clay in a Pervious Concrete Pavement System
Published in Journal of hydrologic engineering (01-01-2012)“…From a hydrologic perspective, one limitation of pervious concrete pavement is the risk of clogging, defined as a reduction in hydraulic conductivity that…”
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5
Thermally Enhanced Spreading of Miscible Plumes in Porous Media
Published in Hydrology (01-04-2023)“…In situ groundwater remediation often calls for a chemical or biological amendment to be injected as an aqueous solution into a contaminated groundwater…”
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Groundwater Contamination, Subsurface Processes, and Remediation Methods: Overview of the Special Issue of Water on Groundwater Contamination and Remediation
Published in Water (Basel) (22-11-2018)“…This special issue of Water brings together ten studies on groundwater contamination and remediation. Common themes include practical techniques for plume…”
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7
How Diversity Makes Better Engineering Teams
Published in Journal - American Water Works Association (01-09-2022)“…Key Takeaways Diversity, equity, and inclusion offer a win–win for engineers working together to serve the public. Cognitive diversity helps teams produce more…”
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8
Zinc Leaching from Tire Crumb Rubber
Published in Environmental science & technology (04-12-2012)“…Because tires contain approximately 1–2% zinc by weight, zinc leaching is an environmental concern associated with civil engineering applications of tire crumb…”
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9
Effect of methane leakage on the greenhouse gas footprint of electricity generation
Published in Climatic change (01-11-2015)“…For the purpose of generating electricity, what leakage rate renders the greenhouse gas (GHG) footprint of natural gas equivalent to that of coal? This paper…”
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10
Plume spreading in groundwater by stretching and folding
Published in Water resources research (01-07-2012)“…This paper proposes a new approach to the hydraulics of in situ groundwater remediation. In situ remediation promotes reactions between an injected treatment…”
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11
Colloid Deposit Morphology and Clogging in Porous Media: Fundamental Insights Through Investigation of Deposit Fractal Dimension
Published in Environmental science & technology (20-10-2015)“…Experiments reveal a wide discrepancy between the permeability of porous media containing colloid deposits and the available predictive equations. Evidence…”
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12
Pneumatic Evacuation to Prevent Freezing in Outdoor Sump Pump Drains
Published in Journal of cold regions engineering (01-06-2023)“…Abstract Sump pumps protect below-grade structures from water damage by pumping water from a sump well to the surface through vertical discharge pipes…”
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13
Chaotic advection and reaction during engineered injection and extraction in heterogeneous porous media
Published in Water resources research (01-02-2014)“…During in situ remediation of contaminated groundwater, a treatment solution is often injected into the contaminated region to initiate reactions that degrade…”
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14
Engineered injection and extraction to enhance reaction for improved in situ remediation
Published in Water resources research (01-06-2013)“…During in situ remediation, a treatment solution is often injected into a contaminated aquifer to degrade the groundwater contaminant. Since contaminant…”
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15
Contributions of Pore‐Scale Mixing and Mechanical Dispersion to Reaction During Active Spreading by Radial Groundwater Flow
Published in Water resources research (01-07-2020)“…Spreading and mixing are complementary processes that promote reaction of two reactive aqueous solutes present in contiguous plumes in groundwater. Spreading…”
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16
Information Content of Wastewater Flowmeter Data before and during a Surcharge
Published in Journal of environmental engineering (New York, N.Y.) (01-09-2018)“…AbstractWhen local sanitary sewers discharge to regional treatment systems, flow monitoring is performed for billing purposes, but the information content of…”
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Wildfire Impacts on Groundwater Aquifers: A Case Study of the 1996 Honey Boy Fire in Beaver County, Utah, USA
Published in Water (Basel) (01-08-2021)“…It is well known that wildfires destroy vegetation and form soil crusts, both of which increase stormwater runoff that accelerates erosion, but less attention…”
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18
Demonstration of Reversible Dispersion in a Darcy-Scale Push-Pull Laboratory Experiment
Published in Transport in porous media (2023)“…A solute transport experiment was conducted in a 50 cm × 50 cm × 4.4 cm apparatus filled with monodisperse glass beads and glycerin, using Rhodamine 6G dye as…”
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Active Spreading: Hydraulics for Enhancing Groundwater Remediation
Published in Journal of hydrologic engineering (01-05-2022)“…AbstractDuring in situ groundwater remediation, reactions occur in a narrow reaction front in which the amendment and contaminant are close enough to mix…”
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20
Application of the Indigenous evaluation framework to a university certificate program for building cultural awareness in science, technology, engineering, and mathematics
Published in Evaluation and program planning (01-06-2022)“…This paper presents a case example of the Indigenous Evaluation Framework as applied to a science, technology, engineering, and mathematics (STEM) education…”
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