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Found 67 dataset(s) matching "saltwater intrusion".
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Groundwater levels have declined since the 1940s in the Wailuku area of central Maui, Hawaiʻi, on the eastern flank of West Maui volcano, mainly in response to increased groundwater withdrawals....
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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 Assateague Island, Maryland and...
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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 adjacent oligohaline marshes in...
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Climate change and climate variability impacts such as rising sea levels have the potential to exacerbate seawater intrusion and the strain on coastal freshwater resources in already stressed...
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This dataset includes the surficial extent of the Red River alluvial aquifer, cross-section wells within the Red River alluvial surficial extent, Red River alluvial aquifer base contours and...
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This groundwater model archive documents a transient, regional-scale numerical model of the Long Island aquifer system that simulates hydrologic conditions for the period 1900-2019 using US...
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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 evaluate current (2010) conditions...
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This dataset includes isopach contours showing altitude of freshwater of the Carrizo-Wilcox aquifer, control points used to construct the freshwater isopach contours, isopach contours showing...
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Datasets include hydrogeologic cross section wells within the Red River alluvial aquifer surficial extent, Red River alluvial aquifer base contours and wells, isopach map showing combined...
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Airborne electromagnetic (AEM) and magnetic survey data were collected near Homestead, Florida as part of a larger survey. Data were collected during October 2001. The Homestead part of the survey...
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Airborne electromagnetic (AEM) and magnetic survey data along four flight lines were collected in Everglades National Park, Florida as part of a larger survey. Data were collected during October...
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Airborne electromagnetic (AEM) and magnetic survey data were collected in Big Cypress National Preserve, Florida as part of a larger survey. Data were collected during October 2001. The Big...
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A three-dimensional, variable-density solute-transport model (SUTRA) was developed to evaluate the effects of three selected withdrawal/injection scenarios on salinity of groundwater (as...
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Airborne electromagnetic (AEM) and magnetic survey data, a total of 3065 line-kilometers, were collected during October 2001 in two survey blocks and four repeated lines from an earlier survey....
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The previously developed Biscayne and Southern Everglades Coastal Transport (BISECT) model, which combines a three-dimensional groundwater model with a two-dimensional hydrodynamic surface-water...
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A three-dimensional, variable-density solute-transport model (SUTRA) was developed to evaluate the effects of nine selected withdrawal/recharge scenarios on salinity of groundwater and discharge...
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A three-dimensional groundwater flow model, MODFLOW-2005 with the SWI2 module, was developed to provide a better understanding of the geohydrology of the Kirkwood-Cohansey aquifer system in the...
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This data release contains time domain electromagnetic (TDEM) surveys collected at three different sites in Dering Harbor, Shelter Island, New York. The TDEM surveys were collected in 2018, 2022, and 2023.
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Previously constructed steady-state numerical groundwater-flow models for the islands of Kauai, Oahu, and Maui, Hawaii (https://doi.org/10.3133/sir20205126) using MODFLOW-2005 with the Seawater...
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Electromagnetic (EM) geophysical methods provide information about the bulk electrical conductivity of the subsurface. EM data has been widely used to investigate aquifers and geologic structures....
