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  3. Floating Transient Electromagnetic Survey Data from the Columbia River near Hanford, WA

Floating Transient Electromagnetic Survey Data from the Columbia River near Hanford, WA

Dates

Publication Date
Start Date
2021-07-20
End Date
2022-04-22

Citation

Terry, N., White, E., Briggs, M.A., Arntzen, E., Gooseff, M., Digiorno, M., Lane, J.W. Jr., Titzler, S., Opatz, C., Blanchard, R., and Chen, X., 2023, Floating Transient Electromagnetic Survey Data from the Columbia River near Hanford, WA: U.S. Geological Survey data release, https://doi.org/10.5066/P99J66C9.

Summary

This data release contains motorboat-towed floating transient electromagnetic data collected from the Columbia River near Hanford WA. Data were collected using a ~16 foot (4.9 meters) outboard motorboat during two field campaigns: July 2021 and April 2022. In total, several hundred linear kilometers of data were collected from a reach of the Columbia that extends from approximately Vernita Bridge to Richland, WA with some additional data collected in the Horn area north of White Bluffs in April 2022. An Aarhus Geoinstruments FloaTEM system was used to collect these data. The depth of investigation of the FloaTEM system is variable but ranged from approximately 50 to 100 meters. Previously collected high-resolution bathymetric data [...]

Contacts

Point of Contact :
Neil C Terry
Originator :
Neil C Terry, Eric A White, Martin A Briggs, Evan Arntzen, Michael Gooseff, Margaret Digiorno, John W Lane, Scott Titzler, Chad C Opatz, Riley S Blanchard, Xingyuan Chen
Metadata Contact :
Neil C Terry
Publisher :
U.S. Geological Survey
Data Owner :
New York Water Science Center
USGS Mission Area :
Water Resources
SDC Data Owner :
New York Water Science Center
Distributor :
U.S. Geological Survey - ScienceBase

Attached Files

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WA_FTEM_final.xml
Original FGDC Metadata
View 		15.46 KB application/fgdc+xml
WA_FloaTEM_thumbnail.jpg thumbnail 279.77 KB image/jpeg
FloaTEM_dictionary.csv 3.9 KB text/csv
FloaTEM.zip 24.48 MB application/zip
readme.txt 2.79 KB text/plain

Purpose

In cooperation with the Pacific Northwest National Laboratory and the University of Colorado Boulder, the USGS is using these electromagnetic (EM) geophysical data to refine groundwater flow models along the Columbia River corridor. Electromagnetic geophysical methods provide information about the bulk electrical conductivity of the subsurface. EM data has been widely used to investigate aquifers, geologic structures, and sediments. Subsurface conductive zones, when viewed in the context of the regional hydrogeological model and other data, can help determine the relative texture of the riverbed interface (coarse permeable materials versus relatively impermeable fine-grained material) and larger hydrogeologic units underlying the river (such as the Hanford and Ringold Formations). Survey data were collected near both banks of the river to evaluate bank-to-bank variability, and during two time periods (July 2021, April 2022) to observe dynamics in the system due to pore water specific conductance changes and improve confidence in lithological interpretations.
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Communities

  • USGS Data Release Products
  • USGS New York Water Science Center

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Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P99J66C9

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