In-Situ Measurement of Vadose Zone Hydraulic Properties
Public Deposited- Last Modified
- February 26, 2019
- Creator
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Hinshaw, Sarah
- Affiliation: College of Arts and Sciences, Department of Geological Sciences
- Abstract
- In order to create in situ characteristic curves, the first step is to fully understand each parameter individually. In this study, we analyze infiltration experiments in two different land treatments. We present a method for in-situ estimates of effective hydraulic properties that contribute to characteristic curves by capturing hysteretic soil-water retention properties at the plot scale. We apply this method to two different forest treatments to investigate the impact of land-use disturbances on soil-hydraulic properties. Volumetric water content is monitored in a well-studied catchment over periods of wetting and drying. Time series of water content over wetting and drying periods are compared in two land treatment types in order to make inferences about how disturbance impacts soil’s response to infiltration scenarios. The goal of this effort is to contribute to growing body of research that examines and improves PTFs, which are perhaps more widely used than they ought to be in hydrologic models.
- Date of publication
- spring 2015
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- DOI
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- Rights statement
- In Copyright
- Note
- Funding: Michael P. and Jean W. Carter Research Fund
- Funding: Mims and Pignatiello Fellowship
- Advisor
- Benninger, Larry
- Degree
- Bachelor of Science
- Honors level
- Honors
- Degree granting institution
- University of North Carolina at Chapel Hill
- Extent
- 19
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