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Seafloor Mapping of the South-east Region and Adjacent Waters - AUSTREA Final Report: Southern Macquarie Ridge

Created 20/01/2026

Updated 20/01/2026

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As part of the Australian Government South-east Regional Marine Plan, Geoscience Australia and the National Oceans Office collaborated through the AUSTREA marine survey to map and interpret the seafloor character over the southern Macquaire Ridge. Multibeam swath bathymetry and reflectivity, along with high-resolution seismic, reveal a complex morphology and sedimentation patterns largely influenced by plate processes and ocean-bottom current effects.

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Additional Info

Field Value
Title Seafloor Mapping of the South-east Region and Adjacent Waters - AUSTREA Final Report: Southern Macquarie Ridge
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/en/dataset/f08fb028-0341-4dff-9a17-07aef8d1d5b9
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 20/04/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        156.0,
        -61.0
      ],
      [
        163.0,
        -61.0
      ],
      [
        163.0,
        -55.0
      ],
      [
        156.0,
        -55.0
      ],
      [
        156.0,
        -61.0
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "Seafloor Mapping of the South-east Region and Adjacent Waters - AUSTREA Final Report: Southern Macquarie Ridge". Please visit the source to access the original metadata of the dataset:
https://data.gov.au/data/dataset/seafloor-mapping-of-the-south-east-region-and-adjacent-waters-austrea-final-report-southern-mac3