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RV Investigator Voyage IN2021_V04 Hydrology Data

Created 25/06/2025

Updated 25/06/2025

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This record describes Hydrology (HYD) data collected from the Marine National Facility (MNF) RV Investigator voyage IN2021_V04, titled: "Biodiversity Assessment of Australia’s Indian Ocean Territories." The voyage took place between June 30 and July 29, 2021 departing from Darwin (NT) and arriving in Hobart (TAS). Water samples collected during the voyage were analysed in the ship’s hydrochemistry laboratory for nutrients, dissolved oxygen, and salinity. Five nutrients were determined: silicate (Si(OH)4), phosphate (PO4), nitrate + nitrite (NOx), nitrite (NO2) and ammonium (NH4). Certified reference materials for nutrients in seawater (RMNS) were within 3% of their certified values. See table for the CTD deployment versus measured RMNS values. Final hydrology data, analytical methods, related log sheets and processing notes can be obtained from the CSIRO data centre. This dataset has been archived at the CSIRO National Collections and Marine Infrastructure (NCMI) Information and Data Centre (IDC) in Hobart.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 IN2021_V04 Hydrology Data
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/b76de760-f65e-4fd9-9cdb-0443733f3bce
Contact Point
CSIRO Marlin Data Catalogue
data-requests-hf@csiro.au
Reference Period 30/06/2021 - 29/07/2021
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        103.8138,
        -43.7861
      ],
      [
        147.5151,
        -43.7861
      ],
      [
        147.5151,
        -10.3112
      ],
      [
        103.8138,
        -10.3112
      ],
      [
        103.8138,
        -43.7861
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal CSIRO Marlin

Data Source

This dataset was originally found on CSIRO Marlin "RV Investigator Voyage IN2021_V04 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-in2021_v04-hydrology-data