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Location Folder Show Tree ROOT _ScienceBase Catalog __USGS Lower Mississippi-Gulf Water Science Center ___@ Mississippi Alluvial Plain (MAP) Regional Water-Availability Study ____Hydrogeologic Framework Airborne electromagnetic, magnetic, and radiometric survey of the Mississippi Alluvial Plain, November 2018 - February 2019 Airborne electromagnetic, magnetic, and radiometric survey of the Mississippi Alluvial Plain, November 2019 - March 2020 Airborne electromagnetic, magnetic, and radiometric survey, Shellmound, Mississippi, March 2018 (ver. 2.0, March 2024) Ground-based electromagnetic survey, Shellmound, Mississippi, October 2018 Hydrogeologic Aquifer Test Data, Lower Mississippi-Gulf Water Science Center More... Filters Date Range Past year (4) Past month (0) Past week (0) Past day (0) Custom range... To   Search Extensions Shapefile (7) ArcGIS Service Definition (5) Types Downloadable (12) Map Service (12) OGC WFS Layer (7) OGC WMS Layer (7) Shapefile (7) More... Contacts U.S. Geological Survey - ScienceBase Benjamin V Miller U.S. Geological Survey Bethany L Burton Burke J Minsley More... Categories Data Release - Revised (1) Tag Types Theme (14) Place (14) USGS Scientific Topic Keyword (11) Harvest Set (14) Tag Schemes None (12) USGS Thesaurus (10) Geographic Names Information System (GNIS) (7) ISO 19115 Topic Category (10) Common geographic areas (2) SEG dictionary (1) USGS Geographic Names Information System (GNIS) (1) More... View Results as: JSON ATOM CSV Browse Folder

Airborne electromagnetic, magnetic, and radiometric survey of the Mississippi Alluvial Plain, November 2019 - March 2020 Airborne electromagnetic (AEM), magnetic, and radiometric data were acquired November 2019 to March 2020 along 24,030 line-kilometers (line-km) over the Mississippi Alluvial Plain (MAP). Data were acquired by CGG Canada Services, Ltd. with three different airborne sensors: the CGG Canada Services, Ltd. TEMPEST time-domain AEM instrument that is used to map subsurface geologic structure at depths up to 300 meters (m), depending on the subsurface resistivity; a Scintrex CS-3 cesium vapor magnetometer that detects changes in deep (hundreds of meters to kilometers) geologic structure based on variations in the magnetic properties of different formations; and a Radiation Solutions RS-500 spectrometer that detects the... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Arkansas, Arkansas River, GGGSC, Geology, Geophysics, and Geochemistry Science Center, Geophysics, All tags... Hydrology, Illinois, Louisiana, MRVA, Mississippi, Mississippi Alluvial Plain, Mississippi River, Mississippi River Valley Alluvial aquifer, Missouri, New Madrid Seismic Zone, Shellmound, Tennessee, U.S. Geological Survey, USGS, USGS Science Data Catalog (SDC), WAUSP, Water Availability and Use Science Program, Water Resources, aeromagnetic surveying, aeroradiometric surveying, electromagnetic surveying, electromagnetics, engineering sciences, environment, geologic structure, geophysics, geoscientificInformation, geospatial datasets, groundwater, hydrogeology, hydrology, magnetic field, magnetics, potassium, radiometrics, resistivity, thorium, uranium, water resources, Fewer tags Digital Dataset for the Geomorphology of the Lower Mississippi River Valley in Missouri, Kentucky, Arkansas, Tennessee, Louisiana, and Mississippi A digital dataset of the geomorphology of the Lower Mississippi River Valley in Missouri, Kentucky, Arkansas, Tennessee, Louisiana, and Mississippi was developed from Roger T. Saucier’s “Geomorphology and Quaternary Geologic History of the Lower Mississippi Valley, Volumes I and II” (1994) as part of the Mississippi Alluvial Plain (MAP) Regional Water Availability Study. The maps included in the 1994 reports provide a comprehensive overview of the previously misunderstood alluvial valley geology and characterize twenty-nine Pleistocene and Holocene alluvial deposits, such as point bars, abandoned channels, backswamps, and natural levees. Each map was georeferenced to North American Datum 1983 and projected to USA... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Citation, Downloadable, Map Service; Tags: Alluvial Fan, Apron, Arkansas, Arkansas, Arkansas River, All tags... Deweyville Complex, Early Wisconsin Stage, Holocene, Illinois, Illinois, Intermediate Complex, Kentucky, Kentucky, Lacustrine, Late Wisconsin Stage, Louisiana, Louisiana, Mississippi, Mississippi, Mississippi Alluvial Plain, Mississippi Alluvial Plain, Mississippi River, Mississippi River Delta, Mississippi Valley, Missouri, Missouri, Pleistocene, Prairie Complex, Quaternary, Saucier, Tennessee, Tennessee, USGS Science Data Catalog (SDC), abandoned channel, abandoned courses, abandoned deltaic distributaries, alluvial system, backswamp deposit, chenier, delineation, floodbasin deposit, geologic history, geomorphology, geomorphology, inland swamp deposit, interdistributary deposits, lacustrine deltaic deposit, meander scroll, natural levee, point bar, relict beach ridges, relict channel, sand dune field, undifferentiated alluvium, undifferentiated fluvial deposit, undifferentiated paludal deposit, valley train, Fewer tags Digital surfaces of the bottom altitude and thickness of the Mississippi River Valley alluvial aquifer and site data within the Mississippi Alluvial Plain project region Bottom altitudes of the Mississippi River Valley alluvial aquifer (MRVA) were compiled from interpretations of subsurface geophysical logs (log picks) at about 10,000 boreholes and wells located throughout the Mississippi Alluvial Plain (MAP) that were available from previous investigations. Five sources of the bottom altitude data are listed numerically in the Cross Reference section (below) and correspond with the Ref_code listed in the .shp dataset. Borehole geophysical data (log picks) were referenced (corrected) to the National Elevation Dataset (NED) 10-meter digital elevation model (DEM; https://nationalmap.gov/elevation.html). Log picks that required a DEM correction of less than 20 feet were retained for... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Arkansas, Arkansas River, Cross Validation, Crowley's Ridge, Geostatistics, All tags... Kriging, Louisiana, Lower Mississippi-Gulf Water Science, Mississippi, Mississippi Alluvial Plain, Mississippi River, Mississippi River Delta, Mississippi River Valley Alluvial Aquifer, Mississippi Valley, Missouri, Tennessee, USGS Science Data Catalog (SDC), Variogram modeling, hydrogeology, Fewer tags The use of Continuous Resistivity Profiling to Evaluate Geomorphologic Controls on Aquifer Recharge in the Mississippi Alluvial Plain from Money to Steiner, Mississippi, August 2016 to November 2016 In cooperation with more than 10 local, State, and Federal stakeholders, the United States Geological Survey (USGS) is studying the aquifer systems in and near the Mississippi River alluvial plain (https://www2.usgs.gov/water/lowermississippigulf/map/index.html). This data release consists of continuous resistivity profiling (CRP) data collected by the USGS to characterize the electrical properties of geomorphological features in the part of the Mississippi River alluvial plain from Money, Miss. to Steiner, Miss. A total of 68 kilometers of multiple CRP profiles were obtained. The CRP data were collected by using the Ohmmapper TR-5 system (Geometrics, Inc., 2016) to determine if different geomorphological features... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Continuous Resistivity Profiling, Geomorphology, Geophysics, Geophysics, Greenville, All tags... Hydrogeology, Mississippi, Mississippi Alluvial Plain, Mississippi River Delta, Money, Sunflower, USGS Science Data Catalog (SDC), Water Resources, geoscientificInformation, groundwater, hydrogeology, water resource management, Fewer tags Airborne electromagnetic, magnetic, and radiometric survey of the Mississippi Alluvial Plain, November 2018 - February 2019 Airborne electromagnetic (AEM), magnetic, and radiometric data were acquired November 2018 to February 2019 along 16,816 line-kilometers (line-km) over the Mississippi Alluvial Plain (MAP). Data were acquired by CGG Canada Services, Ltd. with three different helicopter-borne sensors: the CGG Canada Services, Ltd. Resolve frequency-domain AEM instrument that is used to map subsurface geologic structure at depths up to 100 meters, depending on the subsurface resistivity; a Scintrex CS-3 cesium vapor magnetometer that detects changes in deep (hundreds of meters to kilometers) geologic structure based on variations in the magnetic properties of different formations; and a Radiation Solutions RS-500 spectrometer that... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Arkansas, Bayou Bartholomew, Bayou Meto, Boeuf River, Cache River, All tags... Coldwater River, Crowley's Ridge, GGGSC, Geology, Geophysics, and Geochemistry Science Center, Geophysics, Hydrology, Illinois, L'Anguille River, Louisiana, MRVA, Mississippi, Mississippi Alluvial Plain, Mississippi River, Mississippi River Valley Alluvial aquifer, Missouri, Saint Francis River, Tallahatchie River, Tennessee, USGS Science Data Catalog (SDC), WAUSP, Water Availability and Use Science Program, Water Resources, Yazoo River, aeromagnetic surveying, aeroradiometric surveying, electromagnetic surveying, electromagnetics, engineering sciences, environment, geophysics, geoscientificInformation, geospatial datasets, groundwater, hydrogeology, magnetic field, magnetics, radiometrics, resistivity, water resources, Fewer tags Airborne electromagnetic, magnetic, and radiometric survey of the Mississippi Alluvial Plain, Mississippi Embayment, and Gulf Coastal Plain, September 2021 - January 2022 Airborne electromagnetic (AEM), magnetic, and radiometric data were acquired September 2021 to January 2022 along 27,204 line-kilometers (line-km) over the Mississippi Alluvial Plain (MAP), Mississippi Embayment, and Gulf Coastal Plain. Data were acquired by Xcalibur Multiphysics (Canada), Ltd. with three different airborne sensors: the 30Hz TEMPEST time-domain AEM instrument that is used to map subsurface geologic structure at depths up to 300 meters (m) depending on the subsurface resistivity; a Scintrex CS-3 cesium vapor magnetometer that detects changes in deep (hundreds of meters to kilometers) geologic structure based on variations in the magnetic properties of different formations; and a Radiation Solutions... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Arkansas, Arkansas River, GGGSC, Geology, Geophysics, and Geochemistry Science Center, Illinois, All tags... Louisiana, MRVA, Mississippi, Mississippi Alluvial Plain, Mississippi River, Mississippi River Valley Alluvial aquifer, Missouri, New Madrid Seismic Zone, Shellmound, Tennessee, U.S. Geological Survey, USGS, USGS Science Data Catalog (SDC), WAUSP, Water Availability and Use Science Program, ["Geophysics"], aeromagnetic surveying, aeroradiometric surveying, electromagnetic surveying, electromagnetics, engineering sciences, environment, geologic structure, geophysics, geoscientificInformation, geospatial datasets, groundwater, hydrogeology, hydrology, magnetic field, magnetics, potassium, radiometrics, resistivity, thorium, uranium, water resources, Fewer tags Waterborne Resistivity Inverted Models, Mississippi Alluvial Plain, 2016-2018 This data release consists of two .csv files of inverted models of electrical resistivity created from the processed resistivity data in the accompanying two data releases: (Miller and Others, 2018) and (2018 Raw and Processed, in progress). During 2016, 17, and 18, the U.S. Geological Survey conducted continuous resistivity profiling along 15 rivers or lakes in the Mississippi Alluvial Plain of Mississippi, Arkansas, Louisiana, and Missouri to characterize streambed hydraulic conductivity values. These techniques characterize the near surface geomorphology of the streambed that controls the recharge to the alluvial aquifer. These data can be used to map changes in the lithology of the streambed and identify areas... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Arkansas, Black River, Bogue Phalia, Cache River, Continuous Resistivity Profiling, All tags... Electrical Resistivity, Eutah Bend, Floodway, Geophysical Survey, Geophysics, Hydraulic Conductivity, Hydrogeology, Mississippi, Mississippi Alluvial Plain, Missouri, On Farm Storage, Quiver River, Roebuck Lake, Sky Lake, St. Francis River, Sunflower River, Tallahatchie River, USGS Science Data Catalog (SDC), White River, Yalobusha River, Yazoo River, inlandWaters, Fewer tags Ground-based electromagnetic survey, Shellmound, Mississippi, October 2018 Shallow soil characteristics were mapped near Shellmound, Mississippi, using the DualEM 421 electromagnetic sensor in October 2018. Data were acquired by towing the DualEM sensor on a wheeled cart behind an all-terrain vehicle (ATV), with the sensor at a height of 0.432 meters (m) above the ground surface. Approximately 175 line-kilometers of data were acquired over an area of nearly four square-kilometers, with 25 m separation between survey lines. Data were manually edited for noise sources such as powerlines or other buried structures and averaged to regular output soundings every 5 m along survey lines. The processed data were inverted to recover models of electrical resistivity structure as a function of depth... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: GGGSC, GGGSC, Geology, Geophysics, and Geochemistry Science Center, Geology, Geophysics, and Geochemistry Science Center, Leflore County, All tags... MRVA, Mississippi, Mississippi Alluvial Plain, Mississippi River Valley Alluvial aquifer, Shellmound, Tallahatchie River, USGS Science Data Catalog (SDC), dualEM, electromagnetic surveying, electromagnetics, engineering sciences, environment, geophysics, geoscientificInformation, geospatial datasets, groundwater, hydrogeology, resistivity, water resources, Fewer tags Waterborne resistivity surveys for streams and reservoirs in the Mississippi Alluvial Plain, 2016 and 2018 This data release has three components for each of the eight surveys that were conducted in 2018: 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 addition to the newly collected data from 2018, the waterborne resistivity data from 2016 (Miller and others, 2016) is included and has been re-processed to be consistent with the processing steps currently utilized and described herein. In fresh water aquifers, the geoelectric resistivity of earth materials commonly has a positive correlation with hydraulic conductivity (Faye... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Apparent resistivity, Arkansas, Black River, Cache River, Continuous resistivity profiling, All tags... Eutah Bend, Geophysics, Mississippi, Mississippi Alluvial Plain, Missouri, Quiver River, Reciprocal Schlumberger, Resistivity, Roebuck Lake, Sky Lake, Streambed hydraulic conductivity, Sunflower River, Tallahatchie River, USGS Science Data Catalog (SDC), Water Resources, White River, inlandWaters, Fewer tags Airborne electromagnetic, magnetic, and radiometric survey, Shellmound, Mississippi, March 2018 (ver. 2.0, March 2024) Airborne electromagnetic (AEM), magnetic, and radiometric data were acquired in late February to early March 2018 along 2,364 line-kilometers in the Shellmound, Mississippi study area. Data were acquired by CGG Canada Services, Ltd. with three different helicopter-borne sensors: the CGG Canada Services, Ltd. RESOLVE frequency-domain AEM instrument that is used to map subsurface geologic structure at depths up to 100 meters, depending on the subsurface resistivity; a Scintrex CS-3 cesium vapor magnetometer that detects changes in deep (hundreds of meters to kilometers) geologic structure based on variations in the magnetic properties of different formations; and a Radiation Solutions RS-500 spectrometer that detects... Categories: Data, Data Release - Revised; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: GGGSC, Geology, Geophysics, and Geochemistry Science Center, Geophysics, Greenwood, Hydrology, All tags... Leflore County, MRVA, Mississippi, Mississippi Alluvial Plain, Mississippi River Valley Alluvial aquifer, Shellmound, Sunflower County, Tallahatchie River, USGS Science Data Catalog (SDC), Water Resources, aeromagnetic surveying, aeroradiometric surveying, electromagnetic surveying, electromagnetics, engineering sciences, environment, geophysics, geoscientificInformation, geospatial datasets, groundwater, hydrogeology, magnetic anomaly maps, magnetic field, magnetics, radiometrics, resistivity, water resources, Fewer tags Ground-based time-domain electromagnetic data and resistivity models for the Mississippi Alluvial Plain Project 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... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Arkansas, Electromagnetic sounding, GPS measurement, Geology, Geophysics, and Geochemistry Science Center, Geophysics, All tags... Hydrogeology, Louisiana, MAP, Mississippi, Mississippi Alluvial Plain regional water availability, Mississippi alluvial plain, Missouri, TDEM, TEM, TEM, Tennessee, USGS Science Data Catalog (SDC), electromagnetic surveying, geophysics, geoscientificinformation, groundwater and surface-water interaction, hydrology, resistivity, time-domain electromagnetic sounding, time-domain electromagnetics, transient electromagnetic sounding, Fewer tags Historical (1940–2006) and recent (2019–20) aquifer slug test datasets used to model transmissivity and hydraulic conductivity of the Mississippi River Valley alluvial aquifer from recent (2018–20) airborne electromagnetic (AEM) survey data The Mississippi River Valley alluvial aquifer (“alluvial aquifer”) is one of the most extensively developed aquifers in the United States. The alluvial aquifer is present at the land surface in parts of southeastern Missouri, northeastern Louisiana, western Mississippi, western Tennessee and Kentucky near the Mississippi River, and throughout eastern Arkansas. Historical (1940–2006) and recent (2019–20) aquifer-test datasets were compiled to model transmissivity and hydraulic conductivity of the alluvial aquifer from recent (2018–19) airborne electromagnetic (AEM) survey data. This data release contains the aquifer-test and geophysical data along with computer codes written in Matlab version R2014a syntax used to... Categories: Data; Tags: Aeromagnetic surveying, Aeroradiometric surveying, Aquifer test, Arkansas, Dar Zarrouk parameters, All tags... Electric resistivity, Electric–hydraulic relations, Electromagnetic surveying, Electromagnetics, Engineering sciences, Geoelectric parameters, Geophysics, Geophysics, Geospatial datasets, Groundwater, Hydraulic conductivity, Hydrogeology, Hydrology, Illinois, Kentucky, Longitudinal conductance, Louisiana, Lower Mississippi Gulf Water Science Center, Magnetic field, Magnetics, Mean electric resistivity, Mississippi, Mississippi Alluvial Plain, Mississippi River, Mississippi River Valley Alluvial aquifer, Missouri, Oklahoma-Texas Water Science Center, Petrophysical relations, Pump Test, Radiometrics, Resistivity, Slug Test, Tennessee, Transmissivity, Transverse resistance, USGS Science Data Catalog (SDC), Water Availability and Use Science Program, Water Resources, Water resources, Fewer tags Water-borne continuous resistivity profiling data from select streams of the Mississippi Alluvial Plain in northwestern Mississippi This data release consists of two different datasets, waterborne resistivity profiling data and water quality data collected during profiling. In fresh water aquifers, the geoelectric resistivity of earth materials commonly has a positive correlation with hydraulic conductivity. In June 2016, continuous resistivity profiling data were collected, as a proxy for streambed hydraulic conductivity, along selected reaches of three rivers in the Delta region of Mississippi. A total of 180 kilometers (km) of continuous resistivity profiles were collected during a two-week span, with 50 km on the Quiver River, 70 km on the Sunflower River, and 60 km on the Tallahatchie River. These river reaches were selected due to groundwater... Categories: Data; Types: Citation; Tags: Apparent resistivity, Continuous Resitivity Profiling, Delta, Geophysics, Leflore County, All tags... Mississippi, Quiver River, Reciprocal Schlumberger, Resistivity, Streambed Hydraulic Conductivity, Sunflower County, Sunflower River, Tallahatchie River, USGS Science Data Catalog (SDC), Water Resources, Waterborne resistivity, Fewer tags Waterborne resistivity surveys for streams in the Mississippi Alluvial Plain, 2017 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... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Apparent resistivity, Arkansas, Black River, Bogue Phalia, Continuous resistivity profiling, All tags... Floodway, Geophysics, Geophysics, Hydrogeology, Mississippi, Mississippi Alluvial Plain, Missouri, Reciprocal Schlumberger, Resistivity, St. Francis River, Streambed hydraulic conductivity, Sunflower River, Tallahatchie River, USGS Science Data Catalog (SDC), Water Resources, Waterborne resistivity, Yalobusha River, Yazoo River, inlandWaters, Fewer tags