Abstract
A design is presented for an expendable seafloor penetrometer system for real time classification of marine sediments and estimate for shear strength. An accelerometer in the nose section of an expendable probe senses deceleration after impact with the ocean bottom and provides this data to the underway launch platform via a two-conductor trailing wire umbilical. Signals are amplified, digitized and processed by microcomputer to provide seafloor classification in virtual real time.
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