Joseph Hughes
Joseph Hughes is a hydrologist in the Earth Systems Modeling Branch and is currently working on MODFLOW enhancements.
Dr. Joseph Hughes is a hydrologist with the U.S. Geological Survey Integrated Modeling and Prediction Division in Reston, Virginia. He completed his B.S. and Ph.D. at the University of South Florida and his M.S. at the University of Michigan. Prior to working at the U.S. Geological Survey, Dr. Hughes worked for a number of consulting firms including DHI Water and Environment and Arcadis Geraghty and Miller. Dr. Hughes has extensive experience simulating surface water and ground water interactions, variably saturated groundwater flow, groundwater flow in variable-density environments, and surface water and ground water quality at local and regional spatial scales. Dr. Hughes specializes in the development of of numerical simulation codes to solve surface-water flow, groundwater flow, and advective-dispersive transport equations. He is a co-author of several numerical hydrologic codes including MODFLOW 6, a control-volume, finite-difference version of MODFLOW (MODFLOW-USG), the Sea Water Intrusion (SWI2) Package for MODFLOW, the Surface Water Routing (SWR1) Process for MODFLOW, and a multi-species version of the density-dependent groundwater flow and transport code SUTRA (SUTRA-MS). Dr. Hughes also specializes in the development of linear sub-space methods to solve simultaneous systems of equations.
Science and Products
Feedback of land subsidence on the movement and conjunctive use of water resources
Documentation of the seawater intrusion (SWI2) package for MODFLOW
Use of general purpose graphics processing units with MODFLOW
MODFLOW–USG version 1: An unstructured grid version of MODFLOW for simulating groundwater flow and tightly coupled processes using a control volume finite-difference formulation
Estimation of capture zones and drawdown at the Northwest and West Well Fields, Miami-Dade County, Florida, using an unconstrained Monte Carlo analysis: recent (2004) and proposed conditions
Documentation of the Surface-Water Routing (SWR1) Process for modeling surface-water flow with the U.S. Geological Survey Modular Ground-Water Model (MODFLOW-2005)
Use of upscaled elevation and surface roughness data in two-dimensional surface water models
Effects of groundwater levels and headwater wetlands on streamflow in the Charlie Creek basin, Peace River watershed, west-central Florida
Evaluating the effect of Tikhonov regularization schemes on predictions in a variable-density groundwater model
Use of time series and harmonic constituents of tidal propagation to enhance estimation of coastal aquifer heterogeneity
Effect of numerical dispersion as a source of structural noise in the calibration of a highly parameterized saltwater intrusion model
Effect of sea-level rise on future coastal groundwater resources in southern Florida, USA
Non-USGS Publications**
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.
Science and Products
Feedback of land subsidence on the movement and conjunctive use of water resources
Documentation of the seawater intrusion (SWI2) package for MODFLOW
Use of general purpose graphics processing units with MODFLOW
MODFLOW–USG version 1: An unstructured grid version of MODFLOW for simulating groundwater flow and tightly coupled processes using a control volume finite-difference formulation
Estimation of capture zones and drawdown at the Northwest and West Well Fields, Miami-Dade County, Florida, using an unconstrained Monte Carlo analysis: recent (2004) and proposed conditions
Documentation of the Surface-Water Routing (SWR1) Process for modeling surface-water flow with the U.S. Geological Survey Modular Ground-Water Model (MODFLOW-2005)
Use of upscaled elevation and surface roughness data in two-dimensional surface water models
Effects of groundwater levels and headwater wetlands on streamflow in the Charlie Creek basin, Peace River watershed, west-central Florida
Evaluating the effect of Tikhonov regularization schemes on predictions in a variable-density groundwater model
Use of time series and harmonic constituents of tidal propagation to enhance estimation of coastal aquifer heterogeneity
Effect of numerical dispersion as a source of structural noise in the calibration of a highly parameterized saltwater intrusion model
Effect of sea-level rise on future coastal groundwater resources in southern Florida, USA
Non-USGS Publications**
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.