From Australian Oceans Data Network
JSON format icon JSON RDF format icon RDF ISO19115-3 XML

Characterisation of seafloor imagery from the Sabrina Coast continental shelf

Created 23/06/2025

Updated 23/06/2025

JSON format icon JSON RDF format icon RDF ISO19115-3 XML

A total of 701 still images were analysed from 10 transects on the Sabrina Coast continental shelf. Imagery was collected from the RVIB Nathaniel B Palmer (NBP 14-02, 29 January - 16 March 2014) across a greater than 3000 km2 area. A 'yoyo' camera, with downward facing digital still and video cameras mounted within a tubular steel frame, was deployed on a coaxial cable to image the seafloor. The Ocean Imaging Systems DSC 10000 digital still camera (10.2 megapixel, 20 mm, Nikon D-80 camera) was contained within titanium housing. Camera settings were: F-8, focus 1.9 m, ASA-400. An Ocean Imaging Systems 3831 Strobe (200 W-S) was positioned 1m from the camera at an angle of 26 degrees from vertical. A Model 494 bottom contact switch triggered the camera and strobe at 2.5m above the sea floor, imaging ~ 4.8m2 of sea floor. Parallel laser beams (10 cm separation) provided a reference scale for the images. Transects were conducted at a ship's speed of ~1 knot. Still images were characterised for main taxonomic groups and sediment properties based on the CATAMI scheme of Althaus et al. 2015.

Files and APIs

Tags

Additional Info

Field Value
Title Characterisation of seafloor imagery from the Sabrina Coast continental shelf
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/c9d7177b-3d77-4c77-b5d2-004c83621d33
Contact Point
Australian Ocean Data Network
metadata@aad.gov.au
Reference Period 29/01/2014 - 16/03/2014
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        118.6,
        -67.0
      ],
      [
        121.0,
        -67.0
      ],
      [
        121.0,
        -66.0
      ],
      [
        118.6,
        -66.0
      ],
      [
        118.6,
        -67.0
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Australian Oceans Data Network

Data Source

This dataset was originally found on Australian Oceans Data Network "Characterisation of seafloor imagery from the Sabrina Coast continental shelf". Please visit the source to access the original metadata of the dataset:
https://catalogue.aodn.org.au/geonetwork/srv/eng/csw/dataset/characterisation-of-seafloor-imagery-from-the-sabrina-coast-continental-shelf