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Abstract
Soil Electrical Resistivity (SER) is being used to assist in subsurface modeling of hydrologic flows. In SER an artificially generated electric current is supplied to the soil and the resulting potential differences are measured. The patterns in potential differences provide information on the form of subsurface heterogeneities and these heterogeneities in electrical resistivity are considered as a proxy for the variability of soil physical and chemical properties. We have an Advance Geosciences (AGI Inc, Austin, TX) R8 SuperSting for resistivity measurement. Imaging is being done in 2D transects of 56 probes installed at the surface. Given that SER are images are be remeasured at the same location changes with time are inferred to reflect changes in moisture.
Date Range Comments: quarterly
Subject Keywords
Coverage
Spatial
Temporal
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| End Date: |
Content
ReadMe.md
CCZO -- Soil Electrical Resistivity -- Calhoun Experimental Watershed 4 -- (2015)
OVERVIEW
Description/Abstract
Soil Electrical Resistivity (SER) is being used to assist in subsurface modeling of hydrologic flows. In SER an artificially generated electric current is supplied to the soil and the resulting potential differences are measured. The patterns in potential differences provide information on the form of subsurface heterogeneities and these heterogeneities in electrical resistivity are considered as a proxy for the variability of soil physical and chemical properties. We have an Advance Geosciences (AGI Inc, Austin, TX) R8 SuperSting for resistivity measurement. Imaging is being done in 2D transects of 56 probes installed at the surface. Given that SER are images are be remeasured at the same location changes with time are inferred to reflect changes in moisture.
Creator/Author
Daniel Markewitz
CZOs
Calhoun
Contact
Daniel Markewitz, The University of Georgia, Athens, GA, 30606. 706-542-0133. dmarke@uga.edu
Subtitle
(3 to 20 meter depth)
SUBJECTS
Disciplines
Geophysics
Topics
Soil Electrical Resistivity
Keywords
Soil|electrical resistivity|apparent resistivity|Calhoun|hydrology
Variables
Distance on surface (m)|depth in soil (m)|apparent electrical resistivity (Ohm-m)
Variables ODM2
Resistivity, electrical|Depth, soil|Distance
TEMPORAL
Date Start
2015-02-01
Date End
2015-12-31
Date Range Comments
quarterly
SPATIAL
Field Areas
Calhoun Experimental Forest and Eco-hydrology Experiments
Location
Calhoun Experimental Watershed 4
North latitude
34.6144772028
South latitude
34.6087597234
West longitude
-81.6962157033999
East longitude
-81.6908277468
REFERENCE
CZO ID
4677
Additional Metadata
| Name | Value |
|---|---|
| czos | Calhoun |
| czo_id | 4677 |
| keywords | Soil, electrical resistivity, apparent resistivity, Calhoun, hydrology |
| subtitle | (3 to 20 meter depth) |
| variables | Distance on surface (m), depth in soil (m), apparent electrical resistivity (Ohm-m) |
| disciplines | Geophysics |
| date_range_comments | quarterly |
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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