From Australian Oceans Data Network
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IMOS - Ocean Radar - Bonney Coast HF ocean radar site (South Australia, Australia) - Delayed mode sea water velocity

Created 23/06/2025

Updated 23/06/2025

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The Bonney Coast (BONC) HF ocean radar system covers an area of the Bonney Coast, South Australia, which has a recurring annual upwelling feature near to the coast that significantly changes the ecosystem from one of warm water originating in Western Australia, to one dominated by cold upwelling water from off the continental shelf. The dynamics of this area and the relationship between ocean circulation, chemistry and sediments control the larval species and the higher marine species and ecosystems in which they forage.
The data from this site provide linking observations between the Southern Ocean and NSW through processes that occur on weekly to El Nino time scales.
The BONC HF ocean radar system consists of two SeaSonde crossed loop direction finding stations located at Nora Creina (37.329 S 139.850 E) and Blackfellows Cave (37.940 S 140.457 E). These radars operate at a frequency of 5.211 MHz, with a bandwidth of 50 KHz, a maximum range of 200 Km and a range resolution of 3 Km. Within the HF radar coverage area surface currents are measured. This site was decommissioned in March 2017.

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Additional Info

Field Value
Title IMOS - Ocean Radar - Bonney Coast HF ocean radar site (South Australia, Australia) - Delayed mode sea water velocity
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/7e8492aa-f3a5-4136-b009-9fa14a5d627d
Contact Point
Australian Ocean Data Network
simone.cosoli@uwa.edu.au
Reference Period 25/03/2025
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        138.2,
        -39.4
      ],
      [
        140.8,
        -39.4
      ],
      [
        140.8,
        -37.0
      ],
      [
        138.2,
        -37.0
      ],
      [
        138.2,
        -39.4
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Australian Oceans Data Network

Data Source

This dataset was originally found on Australian Oceans Data Network "IMOS - Ocean Radar - Bonney Coast HF ocean radar site (South Australia, Australia) - Delayed mode sea water velocity". Please visit the source to access the original metadata of the dataset:
https://catalogue.aodn.org.au/geonetwork/srv/eng/csw/dataset/imos-ocean-radar-bonney-coast-hf-ocean-radar-site-south-australia-australia-delayed-mode-sea-wa