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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Steelman, C.M. Endres, A.L. |
| Copyright Year | 2010 |
| Description | Author affiliation: Dept. of Earth & Environ. Sci., Univ. of Waterloo, Waterloo, ON, Canada (Steelman, C.M.; Endres, A.L.) |
| Abstract | High-frequency ground-penetrating radar (GPR) surveys were used to investigate temporal water content variations in a vertical soil column characterized by stratified clean sand deposits over multiple annual cycles. Reflection profiling and common-midpoint (CMP) soundings were coincidently performed using 900 MHz antennas across a 2 m intensive monitoring profile. Our ability to identify fixed reflection events along a vertical soil profile permits inference of soil water flux across defined soil intervals in a non-invasive manner. Soil moisture contents were estimated from two-way traveltime measurements between seasonally coherent stratigraphic interfaces in the upper 2-3 m of soil. Interval thicknesses between stratigraphic interfaces were estimated from normal-moveout velocity analysis of coincidently collected CMP soundings. Interval traveltimes from reflection profiles were then converted to wave velocity using the interval thickness estimates and a volumetric water content estimate using an appropriate petrophysical relationship. The GPR effectively characterized long (e.g., seasonal trends) and short-period (e.g., distinct wetting events) variations in vertical soil moisture distribution. |
| Starting Page | 1 |
| Ending Page | 6 |
| File Size | 1764082 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781424446049 |
| DOI | 10.1109/ICGPR.2010.5550073 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-06-21 |
| Publisher Place | Italy |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Antenna measurements Ground penetrating radar Soil moisture Geophysical measurements Geoscience Reflector antennas Acoustic reflection ground-penetrating radar Soil measurements Moisture measurement soil freeze and thaw soil water content reflection traveltime seasonal variations Water resources |
| Content Type | Text |
| Resource Type | Article |
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