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NSW seabed reef extent derived from marine lidar, multibeam and aerial imagery

Created 24/06/2025

Updated 24/06/2025

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Rocky reef polygons were delineated from bathymetry data for the NSW seabed. Bathymetry data was sourced from marine lidar data, multibeam echosounder data and aerial imagery. Reef polygons were extracted from the seabed landforms polygons for the statewide marine lidar and multibeam surveys for Wollongong and Shellharbour (See below for associated SEED records). For the remaining areas, reef polygons were sourced from the ‘NSW subtidal marine habitat layer’ on SEED which included reef polygons manually digitised from multibeam surveys acquired from 2005-2017. Sources of reef polygons: https://datasets.seed.nsw.gov.au/dataset/nsw-seabed-landforms-derived-from-marine-lidar-data-2022 https://datasets.seed.nsw.gov.au/dataset/wollongong-seabed-landforms-derived-from-mbes-data-2022 https://datasets.seed.nsw.gov.au/dataset/shellharbour-seabed-landforms-derived-from-mbes-data-2022 https://datasets.seed.nsw.gov.au/dataset/nsw-marine-habitat-data

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Additional Info

Field Value
Title NSW seabed reef extent derived from marine lidar, multibeam and aerial imagery
Language English
Licence Creative Commons Attribution 3.0 Australia
Landing Page https://data.gov.au/data/dataset/2c05f116-5253-49c3-90fb-884263dc54bc
Remote Last Updated 26/02/2024
Contact Point
NSW Department of Climate Change, Energy, the Environment and Water
?datansw@customerservice.nsw.gov.au
Reference Period 01/01/2005 - 01/12/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        149.633789,
        -37.931488
      ],
      [
        149.633789,
        -27.844256
      ],
      [
        154.204102,
        -27.844256
      ],
      [
        154.204102,
        -37.931488
      ],
      [
        149.633789,
        -37.931488
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal DataNSW

Data Source

This dataset was originally found on DataNSW "NSW seabed reef extent derived from marine lidar, multibeam and aerial imagery". Please visit the source to access the original metadata of the dataset:
https://data.nsw.gov.au/data/dataset/nsw-nsw-seabed-reef-extent-derived-from-marine-lidar-multibeam-and-aerial-imagery