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Perth Canyon Marine Park Bathymetry - 40m Resolution Grid

Created 17/10/2025

Updated 17/10/2025

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Australia has established a network of 58 marine parks within Commonwealth waters covering a total of 3.3 million square kilometres, or 40 per cent of our exclusive economic zone (excluding Australian Antarctic Territory). These parks span a range of settings, from near coastal and shelf habitats to abyssal plains. Parks Australia manages the park network through management plans that came into effect for all parks on 1 July 2018. Geoscience Australia is contributing to their management by collating and interpreting existing environmental data, and through the collection of new marine data. “Eco-narrative” documents are being developed for those parks, where sufficient information is available, delivering collations and interpretations of seafloor geomorphology, oceanography and ecology. Many of these interpretations rely on bathymetric grids and their derived products, including those in this data release. Bathymetry grids The bathymetry of the marine parks was created by compiling and processing Geoscience Australia’s bathymetry data holding gridded at the optimum resolution depending of the vessel’s sonar system. The bathymetry of the park is illustrated by a panchromatic geotiff image, developed by combining the bathymetric data with a hillshade image. Morphological Surfaces Geoscience Australia has developed a new marine seafloor classification scheme, which uses the two-part seafloor mapping morphology approach of Dove et al (2016). This new scheme is semi-hierarchical and the first step divides the slope of the seafloor into three Morphological Surface categories (Plain, 10°). Dove, D., Bradwell, T., Carter, G., Cotterill, C., Gafeira, J., Green, S., Krabbendam, M., Mellet, C., Stevenson, A., Stewart, H., Westhead, K., Scott, G., Guinan, J., Judge, M. Monteys, X., Elvenes, S., Baeten, N., Dolan, M., Thorsnes, T., Bjarnadóttir, L., Ottesen, D. (2016). Seabed geomorphology: a twopart classification system. British Geological Survey, Open Report OR/16/001. 13 pages. This research is supported by the National Environmental Science Program (NESP) Marine Biodiversity Hub through Project D1.This dataset is not to be used for navigational purposes.

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Additional Info

Field Value
Title Perth Canyon Marine Park Bathymetry - 40m Resolution Grid
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/550099b8-f33c-4832-ba60-117c40e70e40
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 23/05/2018 - 23/05/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        113.7715,
        -32.4713
      ],
      [
        115.4869,
        -32.4713
      ],
      [
        115.4869,
        -31.5096
      ],
      [
        113.7715,
        -31.5096
      ],
      [
        113.7715,
        -32.4713
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Perth Canyon Marine Park Bathymetry - 40m Resolution Grid". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/perth-canyon-marine-park-bathymetry-40m-resolution-grid1