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Research Project:
Development of Acoustic and Seismic Technology to Characterize Soils, Assess Water Content, and Otherwise Reduce Production Costs
Location:
Upland Erosion Processes Research
Project Number: 6408-12130-011-00
Project Type:
Appropriated
Start Date: Dec 23, 2001
End Date: Dec 22, 2006
Objective:
Measure and model the propagation of seismic/acoustic waves in soils to better describe soil physical properties. Study acoustic backscatter for characterizing soil surface roughness. Develop reliable acoustic and seismic technologies for the nondestructive measurement of both soil and crop variables that affect water availability and plant growth in food and fiber production systems. Develop and build prototype instrumentation for measuring rate and total load of sediment discharge and changes in bed topography in alluvial channels.
Approach:
Field and laboratory studies will be conducted to measure the acoustic/seismic response of soils in various management conditions and sediment laden flows in channel systems. Results will be analyzed, evaluated, and compiled with conventional measuring techniques. Laboratory studies will primarily address fundamental aspects of acoustic measurements, improve acoustic techniques and technology, and assist in the interpretation of acquired data. Field studies will be designed to evaluate practical applications of acoustic measurements for a wide range of soil and surface conditions and flow regimes. Instrumentation will be directed toward the design and development of specific monitors and sensors capable of measuring hydraulic and sediment load properties in flow in channel systems.
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