RV Investigator voyage IN2026_V03 collected hydrology data for the Southern Ocean Time Series (SOTS) southwest of Tasmania between May 14 and May 22, 2026. The dataset includes processed CTD, nutrient, dissolved oxygen, salinity, and underway thermosalinograph measurements, with carbon and alkalinity samples for shore-based analysis. Data is archived by CSIRO's National Collections and Marine Infrastructure Information and Data Centre.
Use Cases
- Calibrating shipboard underway salinity systems based on continuous thermosalinograph (TSG) measurements.
- Analyzing temporal trends in ocean carbon chemistry based on the time series of carbon and alkalinity samples.
- Studying water column structure and biogeochemistry based on CTD profiles measuring nutrients, dissolved oxygen, and salinity.
- Validating regional ocean models with quality-controlled in-situ hydrological measurements from a defined voyage track.
Strengths
- Data has been processed and quality-controlled, as stated in the description.
- Supports a long-term climate study as part of the established Southern Ocean Time Series (SOTS).
- Includes multiple complementary data types: CTD casts, discrete water samples, and continuous underway measurements.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Carbon and alkalinity sample analyses are pending shore-based work, indicating partial data completeness.
Provenance
- Source
- Marine National Facility (MNF) RV Investigator, voyage IN2026_V03, collected by the on-board Hydrochemistry team and chief scientist Dr. Elizabeth Shadwick.
- Collection Method
- CTD casts, discrete water sampling, and continuous thermosalinograph (TSG) measurements collected during a research voyage.
- Time Range
- May 14, 2026 to May 22, 2026 (AEST)
- Freshness
- Last updated 2026-07-16 01:16:32.653047; freshness should be verified
- Geography
- Southern Ocean southwest of Tasmania, voyage departed from and returned to Hobart.