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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 _____Ground-based electromagnetic survey, Shellmound, Mississippi, October 2018 Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Contacts Michael D.M. Pace U.S. Geological Survey - ScienceBase Burke J. Minsley Craig W. Moulton James Reitman Tag Types Theme (3) Place (3) Tag Schemes USGS Thesaurus (3) None (3) Geographic Names Information System (GNIS) (3) ISO 19115 Topic Category (3) View Results as: JSON ATOM CSV Browse Folder

Processed ground-based EM survey data 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 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. This data release contains the processed data that have been averaged and culled to produce final resistivity models. Digital data... Categories: Data; Tags: GGGSC, Geology, Geophysics, and Geochemistry Science Center, Leflore County, MRVA, Mississippi, All tags... Mississippi Alluvial Plain, Mississippi River Valley Alluvial aquifer, Shellmound, Tallahatchie River, electromagnetic surveying, electromagnetics, engineering sciences, environment, geophysics, geoscientificInformation, groundwater, hydrogeology, resistivity, water resources, Fewer tags Unprocessed ground-based EM survey data 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 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. Raw data are provided here. Categories: Data; Tags: GGGSC, Geology, Geophysics, and Geochemistry Science Center, Leflore County, MRVA, Mississippi, All tags... Mississippi Alluvial Plain, Mississippi River Valley Alluvial aquifer, Shellmound, Tallahatchie River, electromagnetic surveying, electromagnetics, engineering sciences, environment, geophysics, geoscientificInformation, groundwater, hydrogeology, resistivity, water resources, Fewer tags Spatially constrained inversion resistivity models 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 ATV, with the sensor at a height of 0.432 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 at each sounding location... Categories: Data; Tags: GGGSC, Geology, Geophysics, and Geochemistry Science Center, Leflore County, MRVA, Mississippi, All tags... Mississippi Alluvial Plain, Mississippi River Valley Alluvial aquifer, Shellmound, Tallahatchie River, electromagnetic surveying, electromagnetics, engineering sciences, environment, geophysics, geoscientificInformation, groundwater, hydrogeology, resistivity, water resources, Fewer tags