Joseph D. Hughes
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View article: <scp>MF6</scp> ‐ <scp>ADJ</scp> : A Non‐Intrusive Adjoint Sensitivity Capability for <scp>MODFLOW</scp> 6
<span>MF6</span> ‐ <span>ADJ</span> : A Non‐Intrusive Adjoint Sensitivity Capability for <span>MODFLOW</span> 6 Open
Adjoint sensitivity analysis provides an efficient alternative to direct methods when evaluating the influence of many uncertain parameters on a limited number of performance measures in hydrologic and hydrogeologic models. However, most a…
View article: A New Groundwater Energy Transport Model for the <scp>MODFLOW</scp> Hydrologic Simulator
A New Groundwater Energy Transport Model for the <span>MODFLOW</span> Hydrologic Simulator Open
Heat transport in the subsurface is an important aspect of research related to the effects of a warming climate on ecological services (i.e., cold‐water refugia); the development of geothermal resources for energy banking schemes (i.e., aq…
View article: An Agricultural Package for <scp>MODFLOW</scp> 6 Using the Application Programming Interface
An Agricultural Package for <span>MODFLOW</span> 6 Using the Application Programming Interface Open
An agricultural water use package has been developed for MODFLOW 6 using the MODFLOW Application Programming Interface (API). The MODFLOW API Agricultural Water Use Package (API‐Ag) was based on the approach to simulate irrigation demand i…
View article: Hydrogeology, land-surface subsidence, and documentation of the Gulf Coast Land Subsidence and Groundwater-Flow (GULF) model, southeast Texas, 1897–2018
Hydrogeology, land-surface subsidence, and documentation of the Gulf Coast Land Subsidence and Groundwater-Flow (GULF) model, southeast Texas, 1897–2018 Open
First posted January 13, 2023 For additional information, contact: Director, Oklahoma-Texas Water Science Center U.S. Geological Survey 1505 Ferguson Lane Austin, TX 78754-4501 https://www.usgs.gov/centers/ot-waterContact Pubs Warehouse As…
View article: Documentation for the MODFLOW 6 Groundwater Transport Model
Documentation for the MODFLOW 6 Groundwater Transport Model Open
First posted March 3, 2022 For additional information, contact: Director, Integrated Modeling and Prediction DivisionWater Mission AreaU.S. Geological Survey12201 Sunrise Valley Dr., MS 411Reston, VA 20192-0002Contact Pubs Warehouse This r…
View article: Documentation for the Skeletal Storage, Compaction, and Subsidence (CSUB) Package of MODFLOW 6
Documentation for the Skeletal Storage, Compaction, and Subsidence (CSUB) Package of MODFLOW 6 Open
First posted March 3, 2022 For additional information, contact: Director, Integrated Modeling and Prediction DivisionWater Mission AreaU.S. Geological Survey12201 Sunrise Valley Dr., MS 411Reston, VA 20192-0002Contact Pubs Warehouse This r…
View article: The MODFLOW Application Programming Interface for simulation control and software interoperability
The MODFLOW Application Programming Interface for simulation control and software interoperability Open
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 on the Basic Model Interface (BMI), which is a set of conventions that define ho…
View article: Distributed memory parallel groundwater modeling for the Netherlands Hydrological Instrument
Distributed memory parallel groundwater modeling for the Netherlands Hydrological Instrument Open
View article: Integrated Hydro-Terrestrial Modeling: Development of a National Capability
Integrated Hydro-Terrestrial Modeling: Development of a National Capability Open
Water is one of our most important natural resources and is essential to our national economy and security. Multiple federal government agencies have mission elements that address national needs related to water. Each water-related agency …
View article: Potential for increased inundation in flood-prone regions of southeast Florida in response to climate and sea-level changes in Broward County, Florida, 2060–69
Potential for increased inundation in flood-prone regions of southeast Florida in response to climate and sea-level changes in Broward County, Florida, 2060–69 Open
First posted February 19, 2019 For additional information, contact: Director, Caribbean-Florida Water Science Center U.S. Geological Survey 4446 Pet Lane, Suite 108 Lutz, FL 33559 The U.S. Geological Survey, in cooperation with Broward Cou…
View article: MODFLOW 6, the U.S. Geological Survey Modular Hydrologic Model
MODFLOW 6, the U.S. Geological Survey Modular Hydrologic Model Open
MODFLOW is a popular open-source groundwater flow model distributed by the U.S. Geological Survey. For over 30 years, the MODFLOW program has been widely used by academics, private consultants, and government scientists to accurately, reli…
View article: THE ROLE OF INDIVIDUAL COUNTRY STUDENT SECTIONS AND THE IMPORTANCE OF NETWORKING
THE ROLE OF INDIVIDUAL COUNTRY STUDENT SECTIONS AND THE IMPORTANCE OF NETWORKING Open
Student sections within national gerontology and geriatrics societies offer a wealth of professional development and programmatic supports to students and emerging scholars in the region. However, the IAGG-CSO recognizes that many students…
View article: Documentation for the MODFLOW 6 Groundwater Flow Model
Documentation for the MODFLOW 6 Groundwater Flow Model Open
First posted August 10, 2017 For additional information, contact: Office of Groundwater U.S. Geological Survey Mail Stop 411 12201 Sunrise Valley Drive Reston, VA 20192 This report documents the Groundwater Flow (GWF) Model for a new versio…
View article: Documentation for the MODFLOW 6 framework
Documentation for the MODFLOW 6 framework Open
MODFLOW is a popular open-source groundwater flow model distributed by the U.S. Geological Sur vey.Growing interest in surface and groundwater interactions, local refinement with nested and unstructured grids, karst groundwater flow, solut…
View article: SEAWAT model used to evaluate the potential effects of alterations to the hydrologic system on the distribution of salinity in the Biscayne aquifer in Broward County, Florida.
SEAWAT model used to evaluate the potential effects of alterations to the hydrologic system on the distribution of salinity in the Biscayne aquifer in Broward County, Florida. Open
A three-dimensional, variable-density solute-transport model (SEAWAT) was developed to examine causes of saltwater intrusion and predict the effects of future alterations to the hydrologic system on salinity distribution in eastern Broward…
View article: Potential effects of alterations to the hydrologic system on the distribution of salinity in the Biscayne aquifer in Broward County, Florida
Potential effects of alterations to the hydrologic system on the distribution of salinity in the Biscayne aquifer in Broward County, Florida Open
First posted March 15, 2016 For additional information, contact: Director, Caribbean-Florida Water Science Center U.S. Geological Survey 4446 Pet Lane, Suite 108 Lutz, FL 33559 http://fl.water.usgs.gov/ To address concerns about the effect…
View article: Examples of deformation-dependent flow simulations of conjunctive use with MF-OWHM
Examples of deformation-dependent flow simulations of conjunctive use with MF-OWHM Open
The dependency of surface- and groundwater flows and aquifer hydraulic properties on deformation induced by changes in aquifer head is not accounted for in the standard version of MODFLOW. A new USGS integrated hydrologic model, MODFLOW-OW…