Filters: partyWithName: U.S. Geological Survey Oklahoma-Texas Water Science Center (X)
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This data release provides gradient self-potential (SP), conductivity, and temperature measurements made during an investigation of surface-water and groundwater exchange in Lake Travis near Austin, Texas, where the Colorado River is incised into two zones of the Cretaceous-age Trinity aquifer (the lower-zone, and several hydrostratigraphic units of the middle zone). The voltage, temperature, and conductivity data contained herein were continuously logged along three longitudinal profiles with the logging sensors positioned at depths of 3.0 and 6.1 meters vertically below the surface of Lake Travis, and in a cove along a fourth continuous, non-linear profile of intersecting tracks with the logging sensors positioned...
A three-dimensional, finite-difference MODFLOW 2005 groundwater model using the Newton formulation solver (MODFLOW-NWT) was created for the Cimarron River alluvial aquifer in Payne County, north-central Oklahoma to assess the impacts of current groundwater withdrawal rates with respect to current and future groundwater availability and the impacts to baseflow to the Cimarron River. To better understand current (2021) water resources and possible future water availability in the Pawnee Nation Tribal jurisdictional area, the U.S. Geological Survey, in cooperation with the Bureau of Indian Affairs and the Pawnee Nation of Oklahoma, compiled available hydrogeologic data and developed conceptual and numerical groundwater-flow...
Water level, water temperature, and specific conductance data were collected during natural gradient tests on six observation wells screened in the upper transmissive zone of the Ogallala aquifer at the North East 2nd Street Superfund site in Happy, Texas, from November 6-13, 2023. Tests involved gravity draining 100-160 gallons of a low-concentration salt-spiked solution with an associated specific conductance of less than 8,000 microsiemens per centimeter (µs/cm) into the wells, measuring water level responses, and recording continuous downhole water temperature and water conductivity (specific conductance). Gravity drainage of the salt-spiked solution into each well took approximately 1 hour at average rates...
Categories: Data;
Tags: Happy,
Hydrology,
Natural gradient test,
North East 2nd Street Superfund Site,
Randall County,
This data release consists of historical borehole geophysical data collected by various entities and digitized by the U.S. Geological Survey to characterize the physical properties of the subsurface in and near the Mississippi Alluvial Plain from Louisiana to Missouri. The geophysical log data were collected by different Federal, state, and local agencies throughout the area and were obtained from three sources: Hart and Clark (2008), the Mississippi Department of Environmental Quality (MDEQ) (Mississippi Department of Environmental Quality, 2019), and the Louisiana Department of Natural Resources (LADNR). The log data generally consisted of either scanned .jpg or .tif images of the original log. The data were digitized...
Geophysical data were collected on January 13, 2022, from a reach of East Fork Poplar Creek in Oak Ridge, Tennessee to gain a better understanding of surface water/groundwater exchanges. This data release contains the following types of data: waterborne self-potential (WaSP), and surface -water temperature and conductivity data collected by the U.S. Geological Survey (USGS) from 220-meter (m) long survey reach, stream specific conductance data calculated from surface-water temperature and conductivity, and electric resistivity tomography (ERT) data collected along four linear profiles on the floodplain adjacent to the WaSP survey reach. The ERT data were measured by hydroGEOPHYSICS, Inc. The WaSP logging data were...
Categories: Data;
Tags: Concentration,
Contamination,
East Fork Poplar Creek,
Electric Resistivity Tomography,
Geophysical logging,
This data release contains waterborne self-potential (WaSP) and surface-water (SW) temperature, conductivity, and specific conductance data measured by the U.S. Geological Survey (USGS) along a 43.2-kilometer (km) long profile in the Elm Fork of the Trinity River upstream from the Dallas, Texas, metropolitan area. The WaSP data were measured from a kayak during January 25–27, 2022, along three survey segments between Lewisville Lake Dam and Frasier Dam Recreational Area. The first segment was surveyed on January 25, began a short distance downstream from Lewisville Lake Dam, and ended about 19.2 river-km downstream, a few meters upstream from Carrollton Dam in McInnish Park. The second was surveyed on January 26,...
Categories: Data;
Tags: California Crossing Dam,
California Crossing Park,
Carrollton Dam,
Carrollton, Texas,
Dallas, Texas,
A previously published MODFLOW 2005 groundwater model (https://doi.org/10.3133/sir20185136) of the Rush Springs aquifer was modified to assess the effects of groundwater withdrawals rates on spring discharge, streamflow, and groundwater availability pertaining to the Rush Springs aquifer in and near the Caddo Nation of Oklahoma Tribal jurisdictional area. Increases in industrial and public water supply needs have led to increased development of water resources within the Rush Springs aquifer. As new areas within the aquifer are developed, increased water withdrawals may result in decreases in available water resources and conflicts among water users. The Caddo Nation of Oklahoma is concerned about permitted water...
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