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Related Experiment Videos

Range-dependent seabed characterization by inversion of acoustic data from a towed receiver array.

Martin Siderius1, Peter L Nielsen, Peter Gerstoft

  • 1SACLANT Undersea Research Centre, La Spezia, Italy.

The Journal of the Acoustical Society of America
|October 26, 2002
PubMed
Summary

Researchers successfully mapped seabed properties using towed acoustic arrays in the Mediterranean Sea. This method allows for efficient, large-scale mapping of range-dependent seafloor characteristics.

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Area of Science:

  • Oceanography
  • Marine Geophysics
  • Acoustics

Background:

  • Seabed property determination is crucial for marine operations.
  • Previous geoacoustic inversion studies primarily used moored vertical arrays.
  • Towed acoustic systems offer advantages in deployment and spatial variability assessment.

Purpose of the Study:

  • To determine seabed properties using a towed acoustic array.
  • To assess the efficacy of matched-field geoacoustic inversion with towed array data.
  • To demonstrate the capability for mapping range-dependent seabed parameters.

Main Methods:

  • Matched-field geoacoustic inversion of acoustic data.
  • Utilizing measurements from a towed acoustic source and receiver array (MAPEX2000 experiments).

Related Experiment Videos

  • Comparison of inversion results from towed arrays versus moored vertical arrays.

    • Main Results:

    • Seabed parameters were successfully extracted from towed array acoustic measurements.
    • Inversion results from towed arrays showed agreement with those from simultaneous vertical array data.
    • Demonstrated the feasibility of mapping range-dependent seabed properties using towed systems.

    Conclusions:

    • Matched-field geoacoustic inversion is effective with towed receiver arrays.
    • Towed acoustic systems provide a practical method for large-area seabed characterization.
    • Findings support the development of towed systems for mapping spatially variable seafloor properties.