Kevin John Cunningham, PhD
Science and Products
Filter Total Items: 35
Effects of turbulence on hydraulic heads and parameter sensitivities in preferential groundwater flow layers Effects of turbulence on hydraulic heads and parameter sensitivities in preferential groundwater flow layers
A conduit flow process (CFP) for the Modular Finite Difference Ground‐Water Flow model, MODFLOW‐2005, has been created by the U.S. Geological Survey. An application of the CFP on a carbonate aquifer in southern Florida is described; this application examines (1) the potential for turbulent groundwater flow and (2) the effects of turbulent flow on hydraulic heads and parameter...
Authors
W. Barclay Shoemaker, Kevin J. Cunningham, Eve L. Kuniansky, Joann F. Dixon
Borehole Geophysical Logging Program: Incorporating New and Existing Techniques in Hydrologic Studies Borehole Geophysical Logging Program: Incorporating New and Existing Techniques in Hydrologic Studies
The borehole geophysical logging program at the U.S. Geological Survey (USGS)-Florida Integrated Science Center (FISC) provides subsurface information needed to resolve geologic, hydrologic, and environmental issues in Florida. The program includes the acquisition, processing, display, interpretation, and archiving of borehole geophysical logs. The borehole geophysical logging program is...
Authors
Michael A. Wacker, Kevin J. Cunningham
A cyclostratigraphic and borehole-geophysical approach to development of a three-dimensional conceptual hydrogeologic model of the karstic Biscayne aquifer, southeastern Florida A cyclostratigraphic and borehole-geophysical approach to development of a three-dimensional conceptual hydrogeologic model of the karstic Biscayne aquifer, southeastern Florida
A fundamental problem in the simulation of karst ground-water flow and solute transport is how best to represent aquifer heterogeneity as defined by the spatial distribution of porosity, permeability, and storage. Combined analyses of cyclostratigraphy, including lithofacies and depositional environments, and borehole-geophysical logs, has improved the conceptualization of porosity...
Authors
Kevin J. Cunningham, Michael A. Wacker, Edward Robinson, Joann F. Dixon, G. Lynn Wingard
Impacts of the 2004 tsunami on groundwater resources in Sri Lanka Impacts of the 2004 tsunami on groundwater resources in Sri Lanka
The 26 December 2004 tsunami caused widespread destruction and contamination of coastal aquifers across southern Asia. Seawater filled domestic open dug wells and also entered the aquifers via direct infiltration during the first flooding waves and later as ponded seawater infiltrated through the permeable sands that are typical of coastal aquifers. In Sri Lanka alone, it is estimated...
Authors
Tissa H. Illangasekare, Scott W. Tyler, T. Prabhakar Clement, Karen G. Villholth, A.P.G.R.L. Perera, Jayantha Obeysekera, Ananda Gunatilaka, C.R. Panabokke, David W. Hyndman, Kevin J. Cunningham, Jagath J. Kaluarachchi, William W.-G. Yeh, Martinus T. van Van Genuchten, Karsten H. Jensen
Application of carbonate cyclostratigraphy and borehole geophysics to delineate porosity and preferential flow in the karst limestone of the Biscayne aquifer, SE Florida Application of carbonate cyclostratigraphy and borehole geophysics to delineate porosity and preferential flow in the karst limestone of the Biscayne aquifer, SE Florida
Combined analyses of cores, borehole geophysical logs, and cyclostratigraphy produced a new conceptual hydrogeologic framework for the triple-porosity (matrix, touching-vug, and conduit porosity) karst limestone of the Biscayne aquifer in a 0.65 km2 study area, SE Florida. Vertical lithofacies successions, which have recurrent stacking patterns, fit within high-frequency cycles. We...
Authors
Kevin J. Cunningham, Robert A. Renken, Michael A. Wacker, M.R. Zygnerski, E. Robinson, Allen M. Shapiro, G. Lynn Wingard
Characterization of aquifer heterogeneity using cyclostratigraphy and geophysical methods in the upper part of the Karstic Biscayne Aquifer, Southeastern Florida Characterization of aquifer heterogeneity using cyclostratigraphy and geophysical methods in the upper part of the Karstic Biscayne Aquifer, Southeastern Florida
This report identifies and characterizes candidate ground-water flow zones in the upper part of the shallow, eogenetic karst limestone of the Biscayne aquifer in the Lake Belt area of north-central Miami-Dade County using cyclostratigraphy, ground-penetrating radar (GPR), borehole geophysical logs, and continuously drilled cores. About 60 miles of GPR profiles were used to calculate...
Authors
Kevin J. Cunningham, Janine L. Carlson, G. Lynn Wingard, Edward Robinson, Michael A. Wacker
Science and Products
Filter Total Items: 35
Effects of turbulence on hydraulic heads and parameter sensitivities in preferential groundwater flow layers Effects of turbulence on hydraulic heads and parameter sensitivities in preferential groundwater flow layers
A conduit flow process (CFP) for the Modular Finite Difference Ground‐Water Flow model, MODFLOW‐2005, has been created by the U.S. Geological Survey. An application of the CFP on a carbonate aquifer in southern Florida is described; this application examines (1) the potential for turbulent groundwater flow and (2) the effects of turbulent flow on hydraulic heads and parameter...
Authors
W. Barclay Shoemaker, Kevin J. Cunningham, Eve L. Kuniansky, Joann F. Dixon
Borehole Geophysical Logging Program: Incorporating New and Existing Techniques in Hydrologic Studies Borehole Geophysical Logging Program: Incorporating New and Existing Techniques in Hydrologic Studies
The borehole geophysical logging program at the U.S. Geological Survey (USGS)-Florida Integrated Science Center (FISC) provides subsurface information needed to resolve geologic, hydrologic, and environmental issues in Florida. The program includes the acquisition, processing, display, interpretation, and archiving of borehole geophysical logs. The borehole geophysical logging program is...
Authors
Michael A. Wacker, Kevin J. Cunningham
A cyclostratigraphic and borehole-geophysical approach to development of a three-dimensional conceptual hydrogeologic model of the karstic Biscayne aquifer, southeastern Florida A cyclostratigraphic and borehole-geophysical approach to development of a three-dimensional conceptual hydrogeologic model of the karstic Biscayne aquifer, southeastern Florida
A fundamental problem in the simulation of karst ground-water flow and solute transport is how best to represent aquifer heterogeneity as defined by the spatial distribution of porosity, permeability, and storage. Combined analyses of cyclostratigraphy, including lithofacies and depositional environments, and borehole-geophysical logs, has improved the conceptualization of porosity...
Authors
Kevin J. Cunningham, Michael A. Wacker, Edward Robinson, Joann F. Dixon, G. Lynn Wingard
Impacts of the 2004 tsunami on groundwater resources in Sri Lanka Impacts of the 2004 tsunami on groundwater resources in Sri Lanka
The 26 December 2004 tsunami caused widespread destruction and contamination of coastal aquifers across southern Asia. Seawater filled domestic open dug wells and also entered the aquifers via direct infiltration during the first flooding waves and later as ponded seawater infiltrated through the permeable sands that are typical of coastal aquifers. In Sri Lanka alone, it is estimated...
Authors
Tissa H. Illangasekare, Scott W. Tyler, T. Prabhakar Clement, Karen G. Villholth, A.P.G.R.L. Perera, Jayantha Obeysekera, Ananda Gunatilaka, C.R. Panabokke, David W. Hyndman, Kevin J. Cunningham, Jagath J. Kaluarachchi, William W.-G. Yeh, Martinus T. van Van Genuchten, Karsten H. Jensen
Application of carbonate cyclostratigraphy and borehole geophysics to delineate porosity and preferential flow in the karst limestone of the Biscayne aquifer, SE Florida Application of carbonate cyclostratigraphy and borehole geophysics to delineate porosity and preferential flow in the karst limestone of the Biscayne aquifer, SE Florida
Combined analyses of cores, borehole geophysical logs, and cyclostratigraphy produced a new conceptual hydrogeologic framework for the triple-porosity (matrix, touching-vug, and conduit porosity) karst limestone of the Biscayne aquifer in a 0.65 km2 study area, SE Florida. Vertical lithofacies successions, which have recurrent stacking patterns, fit within high-frequency cycles. We...
Authors
Kevin J. Cunningham, Robert A. Renken, Michael A. Wacker, M.R. Zygnerski, E. Robinson, Allen M. Shapiro, G. Lynn Wingard
Characterization of aquifer heterogeneity using cyclostratigraphy and geophysical methods in the upper part of the Karstic Biscayne Aquifer, Southeastern Florida Characterization of aquifer heterogeneity using cyclostratigraphy and geophysical methods in the upper part of the Karstic Biscayne Aquifer, Southeastern Florida
This report identifies and characterizes candidate ground-water flow zones in the upper part of the shallow, eogenetic karst limestone of the Biscayne aquifer in the Lake Belt area of north-central Miami-Dade County using cyclostratigraphy, ground-penetrating radar (GPR), borehole geophysical logs, and continuously drilled cores. About 60 miles of GPR profiles were used to calculate...
Authors
Kevin J. Cunningham, Janine L. Carlson, G. Lynn Wingard, Edward Robinson, Michael A. Wacker