Frederick D. Day-Lewis (Former Employee)
Science and Products
Filter Total Items: 13
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Filter Total Items: 94
Attenuation-difference radar tomography: Results of a multiple-plane experiment at the U.S. Geological Survey Fractured-Rock Research Site, Mirror Lake, New Hampshire Attenuation-difference radar tomography: Results of a multiple-plane experiment at the U.S. Geological Survey Fractured-Rock Research Site, Mirror Lake, New Hampshire
Attenuation-difference, borehole-radar tomography was used to monitor a series of sodium chloride tracer injection tests conducted within the FSE, wellfield at the U.S. Geological Survey Fractured-Rock Hydrology Research Site in Grafton County, New Hampshire, USA. Borehole-radar tomography surveys were conducted using the sequential-scanning and injection method in three boreholes that...
Authors
J.W. Lane, F. D. Day-Lewis, J.M. Harris, F.P. Haeni, S.M. Gorelick
Identifying fracture‐zone geometry using simulated annealing and hydraulic‐connection data Identifying fracture‐zone geometry using simulated annealing and hydraulic‐connection data
A new approach is presented to condition geostatistical simulation of high‐permeability zones in fractured rock to hydraulic‐connection data. A simulated‐annealing algorithm generates three‐dimensional (3‐D) realizations conditioned to borehole data, inferred hydraulic connections between packer‐isolated borehole intervals, and an indicator (fracture zone or background‐K bedrock)...
Authors
Frederick D. Day-Lewis, Paul A. Hsieh, Steven M. Gorelick
Use of time-lapse attenuation-difference radar tomography methods to monitor saline tracer transport in fractured crystalline bedrock Use of time-lapse attenuation-difference radar tomography methods to monitor saline tracer transport in fractured crystalline bedrock
No abstract available.
Authors
John W. Lane, F.P. Haeni, Frederick D. Day-Lewis
A computer program (MACPUMP) for interactive aquifer-test analysis A computer program (MACPUMP) for interactive aquifer-test analysis
This report introduces MACPUMP (Version 1.0), an aquifer-test-analysis package for use with Macintosh4 computers. The report outlines the input- data format, describes the solutions encoded in the program, explains the menu-items, and offers a tutorial illustrating the use of the program. The package reads list-directed aquifer-test data from a file, plots the data to the screen...
Authors
F. D. Day-Lewis, M.A. Person, Leonard F. Konikow
Science and Products
Filter Total Items: 13
No Result Found
Filter Total Items: 94
Attenuation-difference radar tomography: Results of a multiple-plane experiment at the U.S. Geological Survey Fractured-Rock Research Site, Mirror Lake, New Hampshire Attenuation-difference radar tomography: Results of a multiple-plane experiment at the U.S. Geological Survey Fractured-Rock Research Site, Mirror Lake, New Hampshire
Attenuation-difference, borehole-radar tomography was used to monitor a series of sodium chloride tracer injection tests conducted within the FSE, wellfield at the U.S. Geological Survey Fractured-Rock Hydrology Research Site in Grafton County, New Hampshire, USA. Borehole-radar tomography surveys were conducted using the sequential-scanning and injection method in three boreholes that...
Authors
J.W. Lane, F. D. Day-Lewis, J.M. Harris, F.P. Haeni, S.M. Gorelick
Identifying fracture‐zone geometry using simulated annealing and hydraulic‐connection data Identifying fracture‐zone geometry using simulated annealing and hydraulic‐connection data
A new approach is presented to condition geostatistical simulation of high‐permeability zones in fractured rock to hydraulic‐connection data. A simulated‐annealing algorithm generates three‐dimensional (3‐D) realizations conditioned to borehole data, inferred hydraulic connections between packer‐isolated borehole intervals, and an indicator (fracture zone or background‐K bedrock)...
Authors
Frederick D. Day-Lewis, Paul A. Hsieh, Steven M. Gorelick
Use of time-lapse attenuation-difference radar tomography methods to monitor saline tracer transport in fractured crystalline bedrock Use of time-lapse attenuation-difference radar tomography methods to monitor saline tracer transport in fractured crystalline bedrock
No abstract available.
Authors
John W. Lane, F.P. Haeni, Frederick D. Day-Lewis
A computer program (MACPUMP) for interactive aquifer-test analysis A computer program (MACPUMP) for interactive aquifer-test analysis
This report introduces MACPUMP (Version 1.0), an aquifer-test-analysis package for use with Macintosh4 computers. The report outlines the input- data format, describes the solutions encoded in the program, explains the menu-items, and offers a tutorial illustrating the use of the program. The package reads list-directed aquifer-test data from a file, plots the data to the screen...
Authors
F. D. Day-Lewis, M.A. Person, Leonard F. Konikow