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Utilization of Ground Penetrating Radar to Conduct Sediment Surveys of Frozen Reservoirs

by T. A. Iivari, Soil Conservation Service, United States,
J. A. Doolittle, Soil Conservation Service, United States,



Document Type: Proceeding Paper

Part of: Soil Properties Evaluation from Centrifugal Models and Field Performance

Abstract:

The ground penetrating radar (GPR) system consisted of a control unit, antenna, recorder, a power supply on a sled towed by a snowmobile. A 120 Mhz antenna was utilized and gave excellent results both in depth of penetration and detailed image recording. As the antenna was moved over the ice, a continuous subsurface profile was developed and recorded. Twelve ground-truth observations revealed that most observations were within 6.2 cm of the recorded values. The Baker River reservoir (1.3 ha) was surveyed by GPR in 1 hour. An additional 1.5 hours were required to obtain 12 ground-truth depth measurements through the ice.

Subject Headings: Reservoirs | Radar | Sediment | Rivers and streams | Antennas | Subsurface environment | Ice

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