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The data collection for the concrete-walled channel downstream from the Brandon Road Lock and Dam near Joliet, Illinois occurred in May 2014 Five pounds per square inch (lb/in2) was used as a threshold water pressure value for this study as this value incorporates fish behavior and structural integrity considerations. The Brandon Road study evaluated the performance of two different water gun configurations within the concrete-walled channel downstream from the lock with depths ranging from 12-15 feet. Data from a single 80 cubic inch (in³) water gun produced a roughly cylindrical 5 lb/in2 pressure field 20 feet in radius, oriented vertically, with the radius decreasing to less than 15 feet at the surface. A combination...
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The study at Lemont replicated and expanded upon seismic data collected at that location in 2011 as well as evaluated the pressure field created in the water by the water gun. The replicate data were collected with the water gun placements and input pressure identical to the 2011 study, but added static underwater pressure monitoring. Two 80-in³ water guns were suspended below a platform at depths of 4 and 14 feet. Pressure values were lower when only the gun suspended at 4 feet was fired as compared to firing the single gun at 14 feet and both guns simultaneously, with the latter two producing similar pressures. Data were collected to assess the pressure field produced by two 80-in³ water guns suspended at a depth...
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The study at Lemont replicated and expanded upon seismic data collected at that location in 2011 as well as evaluated the pressure field created in the water by the water gun. The replicate data were collected with the water gun placements and input pressure identical to the 2011 study, but added static underwater pressure monitoring. Two 80-in³ water guns were suspended below a platform at depths of 4 and 14 feet. Pressure values were lower when only the gun suspended at 4 feet was fired as compared to firing the single gun at 14 feet and both guns simultaneously, with the latter two producing similar pressures. Data were collected to assess the pressure field produced by two 80-in³ water guns suspended at a depth...
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Water-borne towed transient electromagnetic method, commonly referred to as FloaTEM, was acquired along a single survey track on the Ouachita River during October 2018. During the survey, 39.75 line-kilometers were collected near Blankston, Louisiana study area. Data were collected by members of the U.S. Geological Survey, Hydrogeophysics Branch, and Lower-Mississippi Gulf Science Center and the Aarhus University Hydrogeophysics Group. FloaTEM data acquired along the approximately 40 line kilometers of the Ouachita River in Caldwell County, in Louisiana,were collected to characterize the subsurface resistivity structure in support of a U.S. Geological Survey groundwater investigation of the Mississippi Alluvial...
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Water-borne towed transient electromagnetic method, commonly referred to as FloaTEM, was acquired along a single survey track on the Ouachita River during October 2018. During the survey, approximately 46.15 line-kilometers were collected near Monroe, Louisiana study area. Data were collected by members of the U.S. Geological Survey, Hydrogeophysics Branch, and Lower-Mississippi Gulf Science Center and the Aarhus University Hydrogeophysics Group. FloaTEM data acquired along the approximately 46.1 line kilometers of the Ouachita River in Ouachita Parish, in Louisiana,were collected to characterize the subsurface resistivity structure in support of a U.S. Geological Survey groundwater investigation of the Mississippi...
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The data collection for the concrete-walled channel downstream from the Brandon Road Lock and Dam near Joliet, Illinois occurred in May 2014 Five pounds per square inch (lb/in2) was used as a threshold water pressure value for this study as this value incorporates fish behavior and structural integrity considerations. The Brandon Road study evaluated the performance of two different water gun configurations within the concrete-walled channel downstream from the lock with depths ranging from 12-15 feet. Data from a single 80 cubic inch (in³) water gun produced a roughly cylindrical 5 lb/in2 pressure field 20 feet in radius, oriented vertically, with the radius decreasing to less than 15 feet at the surface. A combination...
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The final inverted resistivity models within the “Airborne electromagnetic surveys of the Mississippi Alluvial Plain and Chicot Aquifer System, March 2018 and May - August 2021: Resistivity Models” child item are broken up according to the three main objectives of these surveys: River surveys along the thalweg of major rivers with the MAP and the Chicot Aquifer extents; Levee surveys along the Mississippi and Arkansas rivers from Cairo, IL to Baton Rouge, LA and northwest from the confluence of the Mississippi and Arkansas rivers to Pine Bluff, AR; and gridded products mainly focused on gravel bars within the Mississippi River from Helena, MS to the confluence with the Arkansas River. The data in this child item...
Categories: Data; Tags: Arkansas, Arkansas River, Bayou Lacassine, Bayou Teche, Big Sunflower River, All tags...
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The fully processed data files within the “Airborne electromagnetic surveys of the Mississippi Alluvial Plain and Chicot Aquifer System, March 2018 and May - August 2021: Processed Data” child item are broken up according to the three main objectives of these surveys: River surveys along the thalweg of major rivers within the MAP and the Chicot Aquifer extents; Levee surveys along the Mississippi and Arkansas rivers from Cairo, IL to Baton Rouge, LA and northwest from the confluence of the Mississippi and Arkansas rivers to Pine Bluff, AR; and gridded products mainly focused on gravel bars within the Mississippi River from Helena, MS to the confluence with the Arkansas River. The data in this child item are...
Categories: Data; Tags: Arkansas, Arkansas River, Bayou Lacassine, Bayou Teche, Big Sunflower River, All tags...
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The study at Lemont replicated and expanded upon seismic data collected at that location in 2011 as well as evaluated the pressure field created in the water by the water gun. The replicate data were collected with the water gun placements and input pressure identical to the 2011 study, but added static underwater pressure monitoring. Two 80-in³ water guns were suspended below a platform at depths of 4 and 14 feet. Pressure values were lower when only the gun suspended at 4 feet was fired as compared to firing the single gun at 14 feet and both guns simultaneously, with the latter two producing similar pressures. Data were collected to assess the pressure field produced by two 80-in³ water guns suspended at a depth...
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Water-borne towed transient electromagnetic method, commonly referred to as FloaTEM, was acquired along a single survey track on the Ouachita River during October 2018. During the survey, approximately 15.85 line-kilometers were collected near Monroe, Louisiana study area. Data were collected by members of the U.S. Geological Survey, Hydrogeophysics Branch, and Lower-Mississippi Gulf Science Center and the Aarhus University Hydrogeophysics Group. FloaTEM data acquired along the approximately 15.9 line kilometers of the Eutah Bend in Ouachita Parish, in Louisiana,were collected to characterize the subsurface resistivity structure in support of a U.S. Geological Survey groundwater investigation of the Mississippi...
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Water-borne towed transient electromagnetic method, commonly referred to as FloaTEM, was acquired along a single survey track on the Big Sunflower River during October 2018. During the survey, approximately 8.89 line-kilometers were collected in Sunflower County near Indianola, Mississippi. Data were collected by members of the U.S. Geological Survey, Hydrogeophysics Branch, and Lower-Mississippi Gulf Science Center and the Aarhus University Hydrogeophysics Group. FloaTEM data acquired along the approximately 8.9 line kilometers were collected to characterize the subsurface resistivity structure in support of a U.S. Geological Survey groundwater investigation of the Mississippi Alluvial Plain. FloaTEM data were...
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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...
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The Mississippi Alluvial Plain (MAP) Project contains several geologic units which act as important aquifers. We collected several sets of time-domain electromagnetic (TEM) data consisting of two higher-density surveys and six regional-scale transects. The higher density surveys were collected to compare and contrast to other geophysical data not included in this data release, such as airborne electromagnetic, magnetic resonance sounding, and towed time-domain electromagnetic surveys . The transects, which were collected over the span of three years, cross the MAP study area from east-to-west, with about 100 km line spacing, and cover an area of nearly 100,000 square-kilometer. Each transect spans a distance of...
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The data collection for the concrete-walled channel downstream from the Brandon Road Lock and Dam near Joliet, Illinois occurred in May 2014 Five pounds per square inch (lb/in2) was used as a threshold water pressure value for this study as this value incorporates fish behavior and structural integrity considerations. The Brandon Road study evaluated the performance of two different water gun configurations within the concrete-walled channel downstream from the lock with depths ranging from 12-15 feet. Data from a single 80 cubic inch (in³) water gun produced a roughly cylindrical 5 lb/in2 pressure field 20 feet in radius, oriented vertically, with the radius decreasing to less than 15 feet at the surface. A combination...
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Water-borne towed transient electromagnetic method, commonly referred to as FloaTEM, was acquired along a single survey track on the Ouachita River during October 2018. During the survey, 56.35 line-kilometers were collected near Columbia, Louisiana study area. Data were collected by members of the U.S. Geological Survey, Hydrogeophysics Branch, and Lower-Mississippi Gulf Science Center and the Aarhus University Hydrogeophysics Group. FloaTEM data acquired along the approximately 56.4 line kilometers of the Ouachita River in Caldwell Parish, in Louisiana,were collected to characterize the subsurface resistivity structure in support of a U.S. Geological Survey groundwater investigation of the Mississippi Alluvial...
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This data release has three components for each of the eight stream lengths: 1) a geospatial dataset of the processed data; 2) tabular data of the processed waterborne resistivity profiling data and associated water-quality data; 3) tabular data of the raw waterborne resistivity data and associated water-quality data. In fresh water aquifers, the geoelectric resistivity of earth materials commonly has a positive correlation with hydraulic conductivity (Faye and Smith, 1994). Throughout 2017, continuous resistivity profiling data were collected, as a proxy for streambed hydraulic conductivity, along reaches of eight streams in the Mississippi Alluvial Plain of Mississippi, Arkansas, and Missouri. A total of...


    map background search result map search result map Brandon Road Lock and Dam Acceleration Data Brandon Road Lock and Dam Geophone Data Brandon Road Lock and Dam Hydrophone Data Chicago Sanitary and Ship Canal near Lemont, Illinois Acceleration Data Chicago Sanitary and Ship Canal near Lemont, Illinois Geophone Data Chicago Sanitary and Ship Canal near Lemont, Illinois Hydrophone Data Waterborne resistivity surveys for streams in the Mississippi Alluvial Plain, 2017 Ground-based time-domain electromagnetic data and resistivity models for the Mississippi Alluvial Plain Project Water-borne towed-transient electromagnetic survey data, along Eutah Bend near Minter City, Mississippi, October 2018 Water-borne towed-transient electromagnetic survey data, on the Big Sunflower River near Indianola, Mississippi, October 2018 Water-borne towed-transient electromagnetic survey data, along the Ouachita River near Monroe, Louisiana, October 2018 Water-borne towed-transient electromagnetic survey data, along the Ouachita River near Columbia, Louisiana, October 2018 Water-borne towed-transient electromagnetic survey data, along the Ouachita River near Blankston, Louisiana, October 2018 Waterborne Self-potential Data, Surface-water Temperature and Conductivity Logging data, and Electric Resistivity Tomography Data Measured at East Fork Poplar Creek, Oak Ridge, Tennessee, January-March 2022. Airborne electromagnetic surveys of the Mississippi Alluvial Plain and Chicot Aquifer System, March 2018 and May - August 2021: Resistivity Models Airborne electromagnetic surveys of the Mississippi Alluvial Plain and Chicot Aquifer System, March 2018 and May - August 2021: Processed Data Waterborne Self-potential Data, Surface-water Temperature and Conductivity Logging data, and Electric Resistivity Tomography Data Measured at East Fork Poplar Creek, Oak Ridge, Tennessee, January-March 2022. Brandon Road Lock and Dam Acceleration Data Brandon Road Lock and Dam Geophone Data Brandon Road Lock and Dam Hydrophone Data Water-borne towed-transient electromagnetic survey data, on the Big Sunflower River near Indianola, Mississippi, October 2018 Water-borne towed-transient electromagnetic survey data, along Eutah Bend near Minter City, Mississippi, October 2018 Water-borne towed-transient electromagnetic survey data, along the Ouachita River near Blankston, Louisiana, October 2018 Water-borne towed-transient electromagnetic survey data, along the Ouachita River near Monroe, Louisiana, October 2018 Chicago Sanitary and Ship Canal near Lemont, Illinois Acceleration Data Chicago Sanitary and Ship Canal near Lemont, Illinois Geophone Data Chicago Sanitary and Ship Canal near Lemont, Illinois Hydrophone Data Water-borne towed-transient electromagnetic survey data, along the Ouachita River near Columbia, Louisiana, October 2018 Waterborne resistivity surveys for streams in the Mississippi Alluvial Plain, 2017 Ground-based time-domain electromagnetic data and resistivity models for the Mississippi Alluvial Plain Project Airborne electromagnetic surveys of the Mississippi Alluvial Plain and Chicot Aquifer System, March 2018 and May - August 2021: Resistivity Models Airborne electromagnetic surveys of the Mississippi Alluvial Plain and Chicot Aquifer System, March 2018 and May - August 2021: Processed Data