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| Type: | Resource | |
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| Created: | Sep 01, 2020 at 2:40 p.m. | |
| Last updated: | Sep 02, 2020 at 2:20 a.m. | |
| Citation: | See how to cite this resource |
| Sharing Status: | Public |
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Abstract
All of the surface NMR soundings in this study used a 46 m diameter circle-eight loop, a 20 ms pulse, and two noise loops of approximately the same shape, size, and orientation. Using this configuration, we were able to achieve high-quality signal and observe exponential decay over a swath of pulse moments and we successfully removed 60 Hz harmonics caused by anthropogenic sources. Loop orientation was selected to minimize topography change over the loop. Even with noise cancellation, the signal was small, and we stacked each pulse moment between 16 and 22 times. We inverted the surface NMR data with a mono-exponential decay using MRSMatlab and a QT inversion using a magnetic inclination of 67.4°.
More information: Flinchum, B., Holbrook, W., Parsekian, A., Carr, B. (2019). Characterizing the Critical Zone Using Borehole and Surface Nuclear Magnetic Resonance Vadose Zone Journal 18(1), 1-18. https://dx.doi.org/10.2136/vzj2018.12.0209
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Credits
Funding Agencies
This resource was created using funding from the following sources:
| Agency Name | Award Title | Award Number |
|---|---|---|
| National Science Foundation (NSF) | Water in a Changing West: The Wyoming Center for Environmental Hydrology and Geophysics | 1208909 |
Contributors
People or Organizations that contributed technically, materially, financially, or provided general support for the creation of the resource's content but are not considered authors.
| Name | Organization | Address | Phone | Author Identifiers |
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| Andrew Parsekian | University of Wyoming |
How to Cite
This resource is shared under the Creative Commons Attribution CC BY.
http://creativecommons.org/licenses/by/4.0/
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