Method for finding the acoustic properties of seabed materials

Details Method for finding the acoustic properties of seabed materials Method for finding the acoustic properties of seabed materials

G - Physics

01

V

349/9

G01V 1/38 (2006.01) G01V 1/28 (2006.01)

Patent

CA 1219944

ABSTRACT OF THE DISCLOSURE A method of investigating surficial sea floor sediments comprises towing a plurality of acoustic sensors through the water near the sea floor, generating acoustic signals in the water at locations such that the acoustic signals propagate at least in part through the surficial sediment to the acoustic sensors recording the waveform of the signals received by the acoustic sensors to produce a field seismogram, constructing a synthetic seismogram on the basis of a postulated earth structure for the surficial sedi- ment using mathematical modelling techniques, comparing the observed field seismogram with the synthetic seismogram, and adjusting the mathematical model to best fit the recorded data so as to obtain information relating to the sediment structure. With this method the geologist can obtain considerably more information about the sediment structure than is available from simple time-of-travel techniques.

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