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Continuous Multi-spectral Fluorescence and Absorption Spectroscopy for Petroleum Hydrocarbon Detection in Near-surface Ocean Waters : ZoNiCo5 Survey, Fairway Basin Area, Lord Howe Rise

Created 16/10/2025

Updated 16/10/2025

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A WET Labs SAFire multi-spectral and absorption meter was used to identify dissolved poly-aromatic hydrocarbons and anomalous biological activity in near surface waters. Over 6000 km of data were collected southwest of Noumea. No obvious hydrocarbon anomalies were detected but blue-green algal blooms (Trichodesmium ?), identified also by satellite and biological analysis (Dupouy et al, 2000), were commonly encountered in the survey area. An extremely high absorption anomaly centred at 162.7 deg E and 22.7 deg S, with a strong algal fluorescence signature at 440 nm excitation, is also likely to be from the same source.

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Title Continuous Multi-spectral Fluorescence and Absorption Spectroscopy for Petroleum Hydrocarbon Detection in Near-surface Ocean Waters : ZoNiCo5 Survey, Fairway Basin Area, Lord Howe Rise
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/en/dataset/5fccb6af-2202-4a7e-b7f8-cf12eb7c9ca7
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 20/04/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        160.75,
        -26.75
      ],
      [
        165.5,
        -26.75
      ],
      [
        165.5,
        -22.0
      ],
      [
        160.75,
        -22.0
      ],
      [
        160.75,
        -26.75
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Continuous Multi-spectral Fluorescence and Absorption Spectroscopy for Petroleum Hydrocarbon Detection in Near-surface Ocean Waters : ZoNiCo5 Survey, Fairway Basin Area, Lord Howe Rise". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/continuous-multi-spectral-fluorescence-and-absorption-spectroscopy-for-petroleum-hydrocarbon-de1