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RV Investigator Voyage IN2025_V04 Hydrology Data

Created 01/08/2025

Updated 01/08/2025

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This record describes Hydrology (HYD) data collected from the Marine National Facility (MNF) RV Investigator voyage IN2025_V04, titled:"Untangling the causes of change over 25 years in the southeast marine ecosystem - Voyage IV ." The voyage took place between May 27, 2025 and June 28, 2025 (AEST), departing from Hobart and returning to Hobart. Water samples collected during CTD deployments were processed in the ship’s hydrochemistry laboratory and analysed for key parameters, including nutrients, dissolved oxygen, and salinity. Dissolved inorganic carbon and total alkalinity samples were also collected at selected stations to continue the time series established during previous voyages, with these samples to be analysed on shore by the CSIRO carbon team. Additionally, Thermosalinograph (TSG) samples were continuously collected throughout the voyage, with on-board measurements of their salinity used to calibrate the ship's underway system. Please cite the following manuscript when reporting or publishing data for silicate, phosphate, nitrate+nitrite (NOx) and nitrite: Rees, C., L. Pender, K. Sherrin, C. Schwanger, P. Hughes, S. Tibben, A. Marouchos, and M. Rayner. (2018) “Methods for reproducible shipboard SFA nutrient measurement using RMNS and automated data processing.” Limnol. Oceanogr: Methods, 17(1): pp. 25-41. doi:10.1002/Iom3.10294 If publishing ammonium data, please cite the following: Rees, C., Janssens, J., Sherrin, K., Hughes, P., Tibben, S., McMahon, M., McDonald, J., Camac, A., Schwanger, C. and Marouchos, A., (2021) “Method for Reproducible Shipboard Segmented Flow Analysis Ammonium Measurement Using an In-House Reference Material for Quality Control.” Frontiers in Marine Science, 8. doi:10.3389/fmars.2021.581901 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_V04 Hydrology Data
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/8c4b28c8-0845-4d66-86d9-4a9a67f3c936
Contact Point
CSIRO Marlin Data Catalogue
data-requests-hf@csiro.au
Reference Period 27/05/2025 - 28/06/2025
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        147.339,
        -43.32
      ],
      [
        150.394,
        -43.32
      ],
      [
        150.394,
        -36.528
      ],
      [
        147.339,
        -36.528
      ],
      [
        147.339,
        -43.32
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal CSIRO Marlin

Data Source

This dataset was originally found on CSIRO Marlin "RV Investigator Voyage IN2025_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-in2025_v04-hydrology-data