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| Type: | Resource | |
| Storage: | The size of this resource is 56.8 MB | |
| Created: | Jan 23, 2020 at 10:38 p.m. | |
| Last updated: | Jan 23, 2020 at 10:45 p.m. (Metadata update) | |
| Published date: | Jan 23, 2020 at 10:45 p.m. | |
| DOI: | 10.4211/hs.2258c447dfbc47b485262639f67faf10 | |
| Citation: | See how to cite this resource |
| Sharing Status: | Published |
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| Views: | 1352 |
| Downloads: | 20 |
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Abstract
Geophysical and hydrogeological data can be used to estimate aquifer hydraulic parameters and test alternative conceptual models of subsurface hydrology. Here we confirm the existence of a relic sand-dominated channel-belt in an alluvial floodplain using electrical resistivity tomography and time-domain electromagnetics. After converting the bulk resistivity structure to porosity, we use hydrological modeling to gain new insights into the hydraulics and compartmentalization of a heterogeneous alluvial floodplain aquifer system. We discovered that rainwater infiltration fills the initially dry channel-belt laterally rather than from direct infiltration from above. This new understanding of preferential flow paths around and into sand-dominated channel-belts outlines how the architecture of an alluvial floodplain determines its response to natural hydrologic disturbances, thereby providing an improved basis for making informed decisions about water management strategies.
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Content
Related Resources
| The content of this resource is derived from | https://texashistory.unt.edu/ark:/67531/metapth130277/ |
| This resource updates and replaces a previous version | Martin, J. M., M. Everett, Texas Water Observatory (2020). Hydraulic Architecture of the Brazos River Alluvial Aquifer, HydroShare, http://www.hydroshare.org/resource/05970e87da794057baf1e41b9a0b48e1 |
| The content of this resource is derived from | https://texashistory.unt.edu/ark:/67531/metapth278890/ |
| The content of this resource is derived from | https://www.tceq.texas.gov/assets/public/comm_exec/images/basin-map.jpg |
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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 |
|---|---|---|---|---|
| Gretchen R. Miller | Texas A&M University;Texas Water Observatory | Texas, US | 9796761273 | ORCID , ResearchGateID , GoogleScholarID |
| Al Nelson | Texas A&M Research Farm | |||
| Charles Stroyer | Interpex Limited |
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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