RV Investigator IN2026_T01: Marine and Atmospheric Transit Data

From March 06 to March 14, 2026, the RV Investigator collected a wide array of environmental data during a transit voyage from Hobart to Fremantle. The archive contains raw data from over 30 instruments, including acoustic profilers, greenhouse gas analyzers, multibeam echosounders, and wildlife observations. This dataset serves as a foundational record for calibrating instruments and establishing baseline environmental conditions along the transit route.

Use Cases

• Calibrating shipboard atmospheric and oceanographic sensors based on the concurrent instrument readings.
• Analyzing seabird and marine mammal distribution patterns from the wildlife observation logs.
• Mapping seafloor bathymetry and sub-bottom profiles using data from the multibeam and sub-bottom profiler systems.
• Studying air-sea interaction processes by correlating atmospheric sensor data with ocean surface measurements from the thermosalinographs and radiometers.

Strengths

• Contains data from a diverse suite of over 30 specialized scientific instruments, enabling multidisciplinary analysis.
• Provides a precise temporal and spatial anchor with a defined voyage period (March 06-14, 2026) and route (Hobart to Fremantle).
• Archived and curated by a recognized national research institution (CSIRO NCMI IDC), ensuring professional data stewardship.

Limitations

• Critical metadata is missing, including specific column names, row counts, file sizes, and the data license, which hinders immediate usability.
• Access appears restricted, with documentation primarily available to voyage participants and MNF support, requiring formal requests for external use.
• The dataset's description is repeated verbatim across multiple platform entries, suggesting automated syndication rather than enriched, platform-specific curation.

Provenance

Source

CSIRO National Collections and Marine Infrastructure (NCMI) Information and Data Centre (IDC), via the Marine National Facility RV Investigator.

Collection Method

Collected via shipboard scientific instruments during voyage IN2026_T01.

Time Range

March 06, 2026 to March 14, 2026 (AEST).

Freshness

Last updated 2026-06-04 06:01:04.412718 (conflict: one source shows 2026-04-18).

Geography

Southern Ocean transit route from Hobart, Tasmania to Fremantle, Western Australia.