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AHO Reference Surfaces Rottnest 0.5m 2023 (20230019R)

Created 20/01/2026

Updated 20/01/2026

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The Rottnest Reference Surface was created from a bathymetry survey acquired for the Australian Hydrographic Office (AHO) on 11 December 2022. This surface was created from a contracted national reference survey adjacent to Rottnest Island, WA, collected for the purpose of calibrating multibeam echosounders. It was conducted for the Australian Hydrographic Office as part of the Hydroscheme Industry Partnership Program, using a Kongsberg EM2040P and processed using Caris HIPS & SIPS. Separate grids in 0.5m and 2m resolution are provided for the two surveyed sites within this survey area in MSL, LAT and Ellipsoid vertical datums. The datasets were exported as 0.5m and 2m resolution, 32-bit floating point GeoTIFF grids.

This dataset is not to be used for navigational purposes.

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Title AHO Reference Surfaces Rottnest 0.5m 2023 (20230019R)
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/fd166477-d9d2-4a09-9d02-92d7a9c8c712
Contact Point
Geoscience Australia Data
hydro.licensing@defence.gov.au
Reference Period 11/12/2022 - 11/12/2022
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        115.3078,
        -32.10105
      ],
      [
        115.6371,
        -32.10105
      ],
      [
        115.6371,
        -31.96113
      ],
      [
        115.3078,
        -31.96113
      ],
      [
        115.3078,
        -32.10105
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Data.gov.au