Search Results - "Langevin, Christian D"

Effect of Sea‐Level Rise on Salt Water Intrusion near a Coastal Well Field in Southeastern Florida by Langevin, Christian D., Zygnerski, Michael

“…A variable‐density groundwater flow and dispersive solute transport model was developed for the shallow coastal aquifer system near a municipal supply well…”
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FloPy Workflows for Creating Structured and Unstructured MODFLOW Models by Hughes, Joseph D., Langevin, Christian D., Paulinski, Scott R., Larsen, Joshua D., Brakenhoff, David

“…FloPy is a Python package for creating, running, and post‐processing MODFLOW‐based groundwater flow and transport models. FloPy functionality has expanded to…”
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MODFLOW/MT3DMS-Based Simulation of Variable-Density Ground Water Flow and Transport by Langevin, Christian D., Guo, Weixing

“…This paper presents an approach for coupling MODFLOW and MT3DMS for the simulation of variable‐density ground water flow. MODFLOW routines were modified to…”
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Simulation of Submarine Ground Water Discharge to a Marine Estuary: Biscayne Bay, Florida by Langevin, Christian D.

“…Variable density ground water flow models are rarely used to estimate submarine ground water discharge because of limitations in computer speed, data…”
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Addition of simultaneous heat and solute transport and variable fluid viscosity to SEAWAT by Thorne, Danny, Langevin, Christian D., Sukop, Michael C.

“…SEAWAT is a finite-difference computer code designed to simulate coupled variable-density ground water flow and solute transport. This paper describes a new…”
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Predictive uncertainty analysis of a saltwater intrusion model using null-space Monte Carlo by Herckenrath, Daan, Langevin, Christian D., Doherty, John

“…Because of the extensive computational burden and perhaps a lack of awareness of existing methods, rigorous uncertainty analyses are rarely conducted for…”
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Hydraulic‐Head Formulation for Density‐Dependent Flow and Transport by Langevin, Christian D., Panday, Sorab, Provost, Alden M.

“…Density‐dependent flow and transport solutions for coastal saltwater intrusion investigations, analyses of fluid injection into deep brines, and studies of…”
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Use of the MODFLOW 6 Water Mover Package to Represent Natural and Managed Hydrologic Connections by Morway, Eric D., Langevin, Christian D., Hughes, Joseph D.

“…The latest release of MODFLOW 6, the current core version of the MODFLOW groundwater modeling software, debuted a new package dubbed the “mover” (MVR). Using a…”
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MODFLOW as a Configurable Multi‐Model Hydrologic Simulator by Langevin, Christian D., Hughes, Joseph D., Provost, Alden M., Russcher, Martijn J., Panday, Sorab

“…MODFLOW 6 is the latest in a line of six “core” versions of MODFLOW released by the U.S. Geological Survey. The MODFLOW 6 architecture supports incorporation…”
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An Agricultural Package for MODFLOW 6 Using the Application Programming Interface by Larsen, Joshua D., Langevin, Christian D., Hughes, Joseph D., Niswonger, Richard G.

“…An agricultural water use package has been developed for MODFLOW 6 using the MODFLOW Application Programming Interface (API). The MODFLOW API Agricultural…”
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The MODFLOW Application Programming Interface for simulation control and software interoperability by Hughes, Joseph D., Russcher, Martijn J., Langevin, Christian D., Morway, Eric D., McDonald, Richard R.

“…The MODFLOW API allows other programs to control MODFLOW and interactively change variables without having to modify the source code. The MODFLOW API is based…”
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Modeling Axisymmetric Flow and Transport by Langevin, Christian D

“…Unmodified versions of common computer programs such as MODFLOW, MT3DMS, and SEAWAT that use Cartesian geometry can accurately simulate axially symmetric…”
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The rotating movement of three immiscible fluids—a benchmark problem by Bakker, Mark, Oude Essink, Gualbert H.P, Langevin, Christian D

“…A benchmark problem involving the rotating movement of three immiscible fluids is proposed for verifying the density-dependent flow component of groundwater…”
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Impact of Local Groundwater Flow Model Errors on Transport and a Practical Solution for the Issue by Panday, Sorab, Bedekar, Vivek, Langevin, Christian D.

“…A groundwater flow model is typically used to provide the flow field for conducting groundwater solute transport simulations. The advection term of the mass…”
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Quantifying Data Worth Toward Reducing Predictive Uncertainty by Dausman, Alyssa M, Doherty, John, Langevin, Christian D, Sukop, Michael C

“…The present study demonstrates a methodology for optimization of environmental data acquisition. Based on the premise that the worth of data increases in…”
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Future of Groundwater Modeling by Langevin, Christian D., Panday, Sorab

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A Semi-Structured MODFLOW-USG Model to Evaluate Local Water Sources to Wells for Decision Support by Feinstein, Daniel T., Fienen, Michael N., Reeves, Howard W., Langevin, Christian D.

“…In order to better represent the configuration of the stream network and simulate local groundwater‐surface water interactions, a version of MODFLOW with…”
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Improving sub-grid scale accuracy of boundary features in regional finite-difference models by Panday, Sorab, Langevin, Christian D.

“…► Nested grid concepts extended for sub-grid scale accuracy of boundary placement. ► Formulation is amenable for extension of existing finite-difference codes…”
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Rebuttal to “The case of the Biscayne Bay and aquifer near Miami, Florida: density-driven flow of seawater or gravitationally driven discharge of deep saline groundwater?” by Weyer (Environ Earth Sci 2018, 77:1–16) by Provost, Alden M., Werner, Adrian D., Post, Vincent E. A., Michael, Holly A., Langevin, Christian D.

“…A recent paper by Weyer (Environ Earth Sci 2018, 77:1–16) challenges the widely accepted interpretation of groundwater heads and salinities in the coastal…”
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Modeling Variably Saturated Subsurface Solute Transport with MODFLOW-UZF and MT3DMS by Morway, Eric D., Niswonger, Richard G., Langevin, Christian D., Bailey, Ryan T., Healy, Richard W.

“…The MT3DMS groundwater solute transport model was modified to simulate solute transport in the unsaturated zone by incorporating the unsaturated‐zone flow…”
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