Search Results - "Stauffer, Philip H"

Characterizing the Impacts of Multi‐Scale Heterogeneity on Solute Transport in Fracture Networks by Sweeney, Matthew R., Hyman, Jeffrey D., O’Malley, Daniel, Santos, Javier E., Carey, J. William, Stauffer, Philip H., Viswanathan, Hari S.

“…We model flow and transport in fracture networks with varying degrees of fracture‐to‐fracture aperture heterogeneity and network intensity to show how changes…”
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The hydrothermal alteration of cooling lava domes by Ball, Jessica L., Stauffer, Philip H., Calder, Eliza S., Valentine, Greg A.

“…Hydrothermal alteration is a recognized cause of volcanic instability and edifice collapse, including that of lava domes or dome complexes. Alteration by…”
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Temperature response and brine availability to heated boreholes in bedded salt by Guiltinan, Eric J., Kuhlman, Kristopher L., Rutqvist, Jonny, Hu, Mengsu, Boukhalfa, Hakim, Mills, Melissa, Otto, Shawn, Weaver, Douglas J., Dozier, Brian, Stauffer, Philip H.

“…There is a growing need for disposal of high‐level nuclear waste. To reduce uncertainty associated with brine availability to repository excavations in salt…”
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Cliff Retreat Rates Associated with a Low-Level Radioactive Waste Disposal Facility in Los Alamos, New Mexico, USA by Goehring, Brent, Miller, Elizabeth, Birdsell, Kay, Schultz-Fellenz, Emily S, Kelley, Richard, French, Sean, Stauffer, Philip H

“…We present an analysis and interpretation of potential cliff stability at a low-level waste disposal facility at Los Alamos National Laboratory, New Mexico,…”
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Heat‐Generating Nuclear Waste in Salt: Field Testing and Simulation by Johnson, Peter J., Otto, Shawn, Weaver, Douglas J., Dozier, Brian, Miller, Terry A., Jordan, Amy B., Hayes-Rich, Nathan G., Stauffer, Philip H.

“…Core Ideas A field‐scale experiment and numerical simulations confirm salt backfill behavior. Simulations closely match temperature around and under the piled…”
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Radionuclide Transport Simulations Supporting Proposed Borehole Waste Disposal in Israel by Swager, Katherine Carol, Bourret, Suzanne Michelle, Bussod, Gilles Y., Balaban, Noa, Boukhalfa, Hakim, Calvo, Ran, Klein-BenDavid, Ofra, Lucero, Dolan, Reznik, Itay J., Rosenzweig, Ravid, Stauffer, Philip H.

“…A scientific collaboration between the U.S. and Israel is underway to assess the suitability of a potential site for subsurface radioactive waste disposal in…”
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Uranium Retardation Capacity of Lithologies from the Negev Desert, Israel—Rock Characterization and Sorption Experiments by Martin A. Dangelmayr, Gilles Y. Bussod, Paul W. Reimus, Giday WoldeGabriel, Ran Calvo, Rose J. Harris, Philip H. Stauffer, Hakim Boukhalfa, Ofra Klein-BenDavid, Noa Balaban, Ravid Rosenzweig

“…A series of batch experiments were performed to assess the uranium sorption capacity of four mineralogically distinct lithologies from the Negev Desert,…”
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An Investigation of Plume Response to Soil Vapor Extraction and Hypothetical Drum Failure by Behar, Hannah R., Snyder, Emily E., Marczak, Stanislaw, Salazar, Larry J., Rappe, Bobbie, Fordham, Gerald F., Chu, Shaoping P., Strobridge, Daniel M., Birdsell, Kay H., Miller, Terry A., Rich, Kent C., Stauffer, Philip H.

“…Core Ideas Soil vapor extraction (SVE) wells are an effective interim remediation technique. Flow and transport modeling assists in evaluation of vapor plume…”
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Vadose Zone Transport of Tritium and Nitrate under Ponded Water Conditions by Stauffer, Philip H., Newman, Brent D., Birdsell, Kay H., Gard, Marvin O., Heikoop, Jeffrey M., Kluk, Emily C., Miller, Terry A.

“…Vadose zone transport of tritium and nitrate can be important considerations at radioactive waste sites, landfills, or areas with industrial impacts. These…”
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Coupled multiphase flow and transport simulation to model CO2 dissolution and local capillary trapping in permeability and capillary heterogeneous reservoir by Singh, Mrityunjay, Chaudhuri, Abhijit, Soltanian, Mohamad Reza, Stauffer, Philip H

“…•Numerical study of dissolution and local capillary trapping in heterogeneous reservoir.•We have simulated ScCO2 spread and solutal fingering, and calculated…”
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Simulation of Gravitational Instability and Thermo‐Solutal Convection During the Dissolution of CO 2 in Deep Storage Reservoirs by Singh, Mrityunjay, Chaudhuri, Abhijit, Stauffer, Philip H, Pawar, Rajesh J

“…The temperature of deep hydrothermal sedimentary reservoirs varies between 50 and 250 °C, while the temperature of injected CO 2 can be much below the…”
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Simulating 10,000 Years of Erosion to Assess Nuclear Waste Repository Performance by Atchley, Adam, Birdsell, Kay, Crowell, Kelly, Middleton, Richard, Stauffer, Philip

“…Long-term environmental performance assessments of natural processes, including erosion, are critically important for waste repository site evaluation…”
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Simulation of Gravitational Instability and Thermo‐Solutal Convection During the Dissolution of CO2 in Deep Storage Reservoirs by Singh, Mrityunjay, Chaudhuri, Abhijit, Stauffer, Philip H, Pawar, Rajesh J

“…The temperature of deep hydrothermal sedimentary reservoirs varies between 50 and 250 °C, while the temperature of injected CO2 can be much below the reservoir…”
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Rethinking Porosity-Based Diffusivity Estimates for Sorptive Gas Transport at Variable Temperatures by Neil, Chelsea W., Swager, Katherine C., Bourret, S. Michelle, Ortiz, John P., Stauffer, Philip H.

“…The detection of noble gas radioisotopes following a suspected underground nuclear explosion is the surest indicator that nuclear detonation has occurred…”
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Discriminating Underground Nuclear Explosions Leading To Late‐Time Radionuclide Gas Seeps by Harp, Dylan R., Bourret, S. Michelle, Stauffer, Philip H., Kwicklis, Edward M.

“…Utilizing historical data from the U.S. nuclear test program and freely available barometric pressure data, we performed an analytical barometric‐pumping…”
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Evaluation of several relevant fractionation processes as possible explanation for radioxenon isotopic activity ratios in samples taken near underground nuclear explosions in shafts and tunnels by Bourret, S. Michelle, Kwicklis, Edward M., Stauffer, Philip H.

“…Gas samples taken from two historic underground nuclear tests done in 1989 at the Nevada National Security Site (NNSS), formerly the Nevada Test Site (NTS),…”
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Simulation of Gravitational Instability and Thermo‐Solutal Convection During the Dissolution of CO in Deep Storage Reservoirs by Singh, Mrityunjay, Chaudhuri, Abhijit, Stauffer, Philip H, Pawar, Rajesh J

“…Abstract The temperature of deep hydrothermal sedimentary reservoirs varies between 50 and 250 °C, while the temperature of injected CO can be much below the…”
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The National Risk Assessment Partnership’s integrated assessment model for carbon storage: A tool to support decision making amidst uncertainty by Pawar, Rajesh J., Bromhal, Grant S., Chu, Shaoping, Dilmore, Robert M., Oldenburg, Curtis M., Stauffer, Philip H., Zhang, Yingqi, Guthrie, George D.

“…The US DOE-funded National Risk Assessment Partnership (NRAP) has developed an integrated assessment model (NRAP-IAM-CS) that can be used to simulate carbon…”
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Identification of dominant gas transport frequencies during barometric pumping of fractured rock by Harp, Dylan R., Ortiz, John P., Stauffer, Philip H.

“…We demonstrate that although barometric pressures are complicated signals comprised of numerous frequencies, it is a subset of these frequencies that drive the…”
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Analysis of evolving capillary transition, gravitational fingering, and dissolution trapping of CO2 in deep saline aquifers during continuous injection of supercritical CO2 by Singh, Mrityunjay, Chaudhuri, Abhijit, Chu, Shaoping P, Stauffer, Philip H, Pawar, Rajesh J

“…•Evolution of ScCO2 and dissolved CO2 plume is modeled for constant CO2 injection rate.•Injection pressure that controls the shape of diffusive layer,…”
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