TOPAS

Sub-Bottom Profiler

TOPAS

Topas sub-bottom profiler

– TOPAS PS 18 sub-bottom profiler: Designed for use in water depths from 10 meters to full ocean depth operation.

– TOPAS PS 40 sub-bottom profiler: Designed for high resolution, medium depth – between 5 and 1000 meter operation.

– TOPAS PS 120 sub-bottom profiler: Portable system designed for very high resolution, shallow depth – between 3 and 400 meter operation.

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The Topas parametric sub-bottom profiler family are based on low frequency sound generation due to non-linear interaction in the water column from two high intensity sound beams at higher frequencies. The resulting signal has a high relative bandwidth (~80%), narrow beam profile (close to the transmitted high frequency signals) and no side lobes. All these features results in very high spatial resolution in the sediment profiles. The narrow beam also results in lower received reverberation levels and thus higher penetration.

GeoAcoustics Ltd. Manufacture TOPAS sub-bottom profilers on-license from Kongsberg Maritime – if you are interested in purchasing one of these units, please visit the Kongsberg website here.