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RV Investigator Voyage IN2025_V05 Hydrology Data

Created 12/11/2025

Updated 12/11/2025

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This record describes Hydrology (HYD) data collected from the Marine National Facility (MNF) RV Investigator voyage IN2025_V05, titled: "Eruption, destruction, and seafloor ecosystem recovery – Tonga's 2022 eruption of the century." The voyage took place between August 10, 2025 and October 01, 2025 (AEST), departing from Hobart and returning to Brisbane. Hydrology samples were collected from Niskin bottles sampled at various depths during Conductivity-Temperature-Depth (CTD) deployments. Parameters analysed were salinity, dissolved oxygen, phosphate, silicate, nitrate plus nitrite and ammonium. This dataset has been processed (quality-controlled), and archived at the CSIRO National Collections and Marine Infrastructure (NCMI) Information and Data Centre (IDC) in Hobart. Additional information regarding this dataset is contained in the Voyage Report and Data Processing Report.

Files and APIs

Additional Info

Field Value
Title RV Investigator Voyage IN2025_V05 Hydrology Data
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/c5fcee1a-d4f5-4824-a73b-b4419cb60ed1
Contact Point
CSIRO Marlin Data Catalogue
data-requests-hf@csiro.au
Reference Period 10/08/2025 - 01/10/2025
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        147.3388,
        -43.28
      ],
      [
        186.4938,
        -43.28
      ],
      [
        186.4938,
        -19.8653
      ],
      [
        147.3388,
        -19.8653
      ],
      [
        147.3388,
        -43.28
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal CSIRO Marlin

Data Source

This dataset was originally found on CSIRO Marlin "RV Investigator Voyage IN2025_V05 Hydrology Data". Please visit the source to access the original metadata of the dataset:
https://marlin.csiro.au/geonetwork/srv/eng/csw/dataset/rv-investigator-voyage-in2025_v05-hydrology-data