Search Results for the EPA National Library Catalog

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Select Item Title Year Published
A galerkin finite-element flow model to predict the transient response of a radially symmetric aquifer / 1983
A modular finite-element model (MODFE) for areal and axisymmetric ground-water flow problems. Part 2. Derivation of finite-element equations and comparisons with analytical solutions / 1992
A modular three-dimensional finite-difference ground-water flow model / 1988
A modular three-dimensional finite-difference ground-water flow model / 1988
A theory for modeling ground-water flow in heterogeneous media / 2004
A water quality model for a conjunctive surface-groundwater system / 1974
An axisymmetric finite-difference flow model to simulate drawdown in and around a pumped well / 1991
Analytic element modeling of ground-water flow and high performance computing / 2000
Analytic element modeling of groundwater flow 1995
Analytic techniques for determining ground water flow fields 1967
Analytical modeling of solute transport in groundwater : using models to understand the effect of natural processes on contaminant fate and transport / 2017
Application of a parameter-estimation technique to modeling the regional aquifer underlying the eastern Snake River Plain, Idaho / 1986
Application of boundary-fitted coordinate (BFC) transformations to groundwater flow and transport modeling / 1992
Application of digital profile modeling techniques to ground-water solute transport at Barstow, California 1978
Application of seismic-refraction techniques to hydrologic studies / 1986
Applied flow and solute transport modeling in aquifers : fundamental principles and analytical and numerical methods / 2006
Approach to modeling a stream aquifer system for conjunctive management 1994
Approximate multiphase flow modeling by characteristic methods 1991
Approximate multiphase flow modeling by characteristic methods : project summary / 1991
Available solute transport models for groundwater and soil water quality menagement 1986
Bioremediation and natural attenuation : process fundamentals and mathematical models / 2006
Characterization of DNAPL movement in saturated porous media using ground penetrating radar / 1994
Characterizing hydrogeologic heterogeneity using lithologic data (U) 1995
Chemical residuals transport in aggregated soils : mathematical simulation by the linear system approach / 1988
Comparison of two groundwater flow models-UNSATID and HELP / 1984
Compilation of ground-water models / 1993
Compilation of ground-water models : project summary / 1993
Compilation of saturated and unsaturated zone modeling software / 1996
Computer estimates of natural recharge from soil moisture data, high plains of Colorado : completion report, OWRT project no. A-016 COLO 1975
Computer program (MODFLOWP) for estimating parameters of a transient, three-dimensional, ground-water flow model using nonlinear regression 1992
Concepts and models in groundwater hydrology 1972
Conceptual models of flow and transport in the fractured vadose zone 2001
Coupled surface-water and ground-water flow model for simulation of stream-aquifer interaction 1993
Death Valley regional ground-water flow system, Nevada and California : hydrogeologic framework and transient ground-water flow model / 2010
Definition of boundary and initial conditions in the analysis of saturated ground-water flow systems : an introduction / 1984
Delineation and analysis of uncertainty of contributing areas to wells at the Southbury Training School, Southbury, Connecticut / 2000
Delineation of recharge areas for selected wells in the St. Peter-Prairie du Chien-Jordan aquifer, Rochester, Minnesota / 1993
Demonstration of the analytic element method for wellhead protection : project summary / 1995
Demonstration of unsaturated and saturated groundwater flow modeling at a coal ash and dry FGD disposal site 1983
Development and calibration of a two-dimensional digital model for the analysis of the ground-water flow system in the San Antonio Creek Valley, Santa Barbara County, California / 1985
Digital computer model for predicting regional aquifer response, 1971
Documentation of a computer program to estimate the head in a well of finite radius using the U.S. Geological Survey modular finite difference ground-water flow model 1997
Documentation of a computer program to simulate aquifer-system compaction using the modular finite-difference ground-water flow model / 1991
Documentation of a steady-state saltwater-intrusion model for three-dimensional ground-water flow, and user's guide 1988
Dual-porosity model for simulating solute transport in oil shale 1987
Enhanced characterization and representation of flow through karst aquifers / 2006
Estimates of macrodispersivity based on analyses of hydraulic conductivity variability at the MADE site 1989
Estimation of a water budget for the central part of the western San Joaquin Valley, California / 1992
Evaluation and design of geophysical monitoring network for groundwater contamination 1990
FEMA : a finite element model of material transport through aquifiers 1984
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