• Publications
  • Influence
Tortuosity in Porous Media: A Critical Review
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Low pore connectivity in natural rock.
As repositories for CO(2) and radioactive waste, as oil and gas reservoirs, and as contaminated sites needing remediation, rock formations play a central role in energy and environmental management.Expand
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Low nanopore connectivity limits gas production in Barnett Formation
Gas-producing wells in the Barnett Formation show a steep decline from initial production rates, even within the first year, and only 12–30% of the estimated gas-in-place is recovered. The underlyingExpand
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ROOTEDGE: software for measuring root length from desktop scanner images
One approach for measuring the length of roots washed from soil samples is to use a desktop scanner to acquire binary images and then use image analysis procedures to determine root length. Normally,Expand
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Percolation Theory and Network Modeling Applications in Soil Physics
The application of percolation theory to porous media is closely tied to network models. A network model is a detailed model of a porous medium, generally incorporating pore-scale descriptions of theExpand
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Dependence of the Electrical Conductivity on Saturation in Real Porous Media
Archie9s Law for the porosity and saturation dependence of electrical conductivity, σ(ϴ) = a σ b ϕ m (ϴ/ϕ) n (where σ is electrical conductivity, the subscript b denotes the brine or bulk solution, ϕExpand
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Percolation Theory Generates a Physically Based Description of Tortuosity in Saturated and Unsaturated Porous Media
Tortuosity is a property of porous media that is invoked and used in the literature on hydrology, soil science, physics, and engineering. It has been defined in a variety of ways, one of which is aExpand
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A generalized growth model for simulating initial migration of dense non‐aqueous phase liquids
Modeling the migration of spilled non–aqueous phase liquids (NAPLs) is currently difficult because the physics governing their movement is complex and knowledge of the local geology is alwaysExpand
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How efficiently do corn- and soybean-based cropping systems use water? A systems modeling analysis.
Agricultural systems are being challenged to decrease water use and increase production while climate becomes more variable and the world's population grows. Low water use efficiency is traditionallyExpand
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Subsurface drainage flow and soil water dynamics of reconstructed prairies and corn rotations for biofuel production.
Land management of agricultural crops can have impacts on soil hydrology. The objective of our research was to evaluate subsurface drain flow and soil water storage dynamics due to land managementExpand
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