Application of a towed time-domain electromagnetic (tTEM) imaging system in Jamestown, North Dakota
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Abstract
Time-Domain Electromagnetic (EM) methods have been used for decades in support of groundwater investigations. A new towed Time-Domain EM system called “tTEM”, designed by Aarhus University, is being tested and evaluated under a collaborative research agreement with the U.S. Geological Survey (USGS). The tTEM system is rapid and efficient, providing high-resolution, nearly continuous profiles of subsurface resistivity useful for hydrostratigraphic mapping and assessment of aquifer materials. Here we provide an example of a tTEM survey conducted in Jamestown, North Dakota (ND). The purpose of the ND investigation was to assess tTEM the ability of the system to map coarse-grained materials within the Spiritwood Aquifer. The tTEM survey results compare favorably with the results of an airborne EM (AEM) survey previously conducted in the area and to lithologic logs from nearby boreholes.
Study Area
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Application of a towed time-domain electromagnetic (tTEM) imaging system in Jamestown, North Dakota |
| DOI | 10.4133/sageep.32-071 |
| Year Published | 2019 |
| Language | English |
| Publisher | Environmental & Engineering Geophysical Society |
| Contributing office(s) | WMA - Earth System Processes Division |
| Description | 4 p. |
| Larger Work Type | Book |
| Larger Work Subtype | Conference publication |
| Larger Work Title | Symposium on the application of geophysics to engineering and environmental problems proceedings |
| First page | 322 |
| Last page | 325 |
| Conference Title | Symposium on the Application of Geophysics to Engineering and Environmental Problems |
| Conference Location | Portland, Oregon |
| Conference Date | March 17-21, 2019 |
| Country | United States |
| State | North Dakota |
| City | Jamestown |
| Google Analytic Metrics | Metrics page |