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Federal
Shapefile of Approximate Inland Extent of Saltwater at the Base of the Biscayne Aquifer in the Model Land Area of Miami-Dade County, Florida, 2016, Miami-Dade County, FL recent views
Department of the Interior —
This is a shapefile of approximate inland extent of saltwater at the base of the Biscayne Aquifer in the Model Land area of Miami-Dade County, Florida representing... -
Federal
Borehole hydrogeologic-unit top-surface altitudes, aquifer hydraulic properties, and groundwater-sample chloride-concentration data from 1906 through 2016 for the Virginia Eastern Shore recent views
Department of the Interior —
A hydrogeologic framework was developed by USGS during 2016-19 to describe the groundwater system on the Virginia Eastern Shore. This USGS data release contains text... -
Federal
Airborne electromagnetic and magnetic survey data in Big Cypress National Preserve, Florida, 2001 recent views
Department of the Interior —
Airborne electromagnetic (AEM) and magnetic survey data were collected in Big Cypress National Preserve, Florida as part of a larger survey. Data were collected... -
Federal
MODFLOW-2005 and MODPATH used to simulate the hydrologic system and transport of contaminants near Joint Base Cape Cod, Western Cape Cod, Massachusetts recent views
Department of the Interior —
The U.S. Geological Survey, in cooperation with the Air Force Civil Engineer Center, developed a numerical, steady-state regional model, using MODFLOW-2005, to... -
Federal
FTLOADDS (combined SWIFT2D surface-water model and SEAWAT groundwater model) simulator used to Repurpose a Hindcast Simulation of the 1926 Great Miami Hurricane using the South Florida Peninsula for the Biscayne and Southern Everglades Coastal Transport (BISECT) Model recent views
Department of the Interior —
The previously developed Biscayne and Southern Everglades Coastal Transport (BISECT) model, which combines a three-dimensional groundwater model with a two-... -
Federal
Summary tables for the approximate inland extent of saltwater intrusion at the base of the Biscayne aquifer in 2022, Miami-Dade County, Florida recent views
Department of the Interior —
Tables were created to summarize well information, maximum chloride concentrations and specific conductance data sourced from Florida Keys Aqueduct Authority (FKAA),... -
Federal
MODFLOW2005 groundwater-flow model used to simulate water-supply pumping scenarios near the Hyannis Ponds Wildlife Management Area, Barnstable, Massachusetts recent views
Department of the Interior —
The U.S. Geological Survey, in cooperation with the Town of Barnstable, Massachusetts, modified an existing numerical, steady-state regional MODFLOW-2005 groundwater-... -
Federal
Shapefile showing the approximate inland extent of saltwater interface in the Biscayne aquifer in 2018, Miami-Dade County, Florida recent views
Department of the Interior —
The U.S. Geological Survey (USGS), in cooperation with Miami-Dade County, mapped the approximate inland extent of saltwater intrusion in eastern Miami-Dade County in... -
Federal
SUTRA model used to evaluate the freshwater flow system on Roi-Namur, Kwajalein Atoll, Republic of the Marshall Islands recent views
Department of the Interior —
A three-dimensional, groundwater model (SUTRA) was developed to understand the effects of seawater washover on the freshwater lens of Roi-Namur, Kwajalein Atoll,... -
Federal
Fine root production in tidally influenced freshwater forested wetlands in South Carolina and Georgia, USA (2016-2017) recent views
Department of the Interior —
This dataset includes fine root productivity data that were estimated via two techniques (serial coring and root in-growth bags) in tidal freshwater wetlands and... -
Federal
MODFLOW-2005 and SWI2 models for assessing groundwater availability in volcanic aquifers on Kaua'i, O'ahu, and Maui, Hawai'i recent views
Department of the Interior —
Steady-state numerical groundwater-flow models were constructed for the islands of Kaua'i, O'ahu, and Maui, Hawai'i. Separate models were created for each island... -
Federal
MODFLOW-NWT model with SWI2 used to evaluate the water-table response to sea-level rise and change in recharge, Assateague Island, Maryland and Virginia recent views
Department of the Interior —
A three-dimensional groundwater flow model, MODFLOW-NWT with the SWI2 module, was developed to provide a better understanding of the fresh groundwater system of... -
Federal
SUTRA model used to evaluate groundwater availability in central Molokai, Hawaii recent views
Department of the Interior —
A three-dimensional, variable-density solute-transport model (SUTRA) was developed to evaluate the effects of nine selected withdrawal/recharge scenarios on salinity... -
Federal
Table of Data Pertaining to Mapping the Approximate Inland Extent of Saltwater at the Base of the Biscayne Aquifer in Miami-Dade County, Florida, 2018 recent views
Department of the Interior —
The U.S. Geological Survey (USGS), in cooperation with Miami-Dade County, mapped the approximate inland extent of saltwater intrusion in eastern Miami-Dade County in... -
Federal
SEAWAT, MODFLOW-2000, and SHARP models used to simulate potential water-allocation changes, Cape May County, New Jersey recent views
Department of the Interior —
Three existing groundwater flow models, using MODFLOW-2000, SEAWAT, and SHARP model codes, were used by the U.S. Geological Survey (USGS) to determine the effects of... -
Federal
SUTRA model used to evaluate the effects of groundwater withdrawal and injection, Kaloko-Honokōhau National Historical Park, Hawaiʻi recent views
Department of the Interior —
A three-dimensional, variable-density solute-transport model (SUTRA) was developed to evaluate the effects of three selected withdrawal/injection scenarios on... -
Federal
Time Domain Electromagnetic Surveys Collected to Estimate the Extent of Saltwater Intrusion in Nassau and Queens County, New York, October-November 2017 recent views
Department of the Interior —
During October-November 2017 twelve time domain electromagnetic (TDEM) surveys were collected in Nassau and Queens County. The data were collected to estimate the... -
Federal
Delaware River near Wilmington Floating Electromagnetic Surveys recent views
Department of the Interior —
Electromagnetic (EM) geophysical methods provide information about the bulk electrical conductivity of the subsurface. EM data has been widely used to investigate... -
Federal
Well information and chloride concentration of water samples used to map the saltwater interface in the Model Land area of Miami-Dade County, Florida. recent views
Department of the Interior —
This release of data includes the chloride concentration of water samples provided by the USGS or other organizations that were used for this mapping effort. The... -
Federal
Water level and soil pore water salinity, temperature, and conductivity data in tidally influenced forested wetlands in South Carolina and Georgia (2004–2016) recent views
Department of the Interior —
Data were collected from coastal wetlands (tidal swamps and marsh) along the Waccamaw and Savannah Rivers in South Carolina and Georgia (See Krauss et al. 2009 for...