Time-dependent seafloor acoustic backscatter (10-100 kHz).

  title={Time-dependent seafloor acoustic backscatter (10-100 kHz).},
  author={Daniel D Sternlicht and Christian de Moustier},
  journal={The Journal of the Acoustical Society of America},
  volume={114 5},
A time-dependent model of the acoustic intensity backscattered by the seafloor is described and compared with data from a calibrated, vertically oriented, echo-sounder operating at 33 and 93 kHz. The model incorporates the characteristics of the echo-sounder and transmitted pulse, and the water column spreading and absorption losses. Scattering from the water-sediment interface is predicted using Helmholtz-Kirchhoff theory, parametrized by the mean grain size, the coherent reflection… CONTINUE READING
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