RV Investigator ADCP Data: East Australian Current Transects, May-June 2021

May 8 to June 3, 2021, acoustic Doppler current profiler data collected by the RV Investigator voyage IN2021_V03, monitoring the East Australian Current at 27 degrees South. The data were collected using OS75 and OS150 ADCPs, processed with the CODAS system, and archived by CSIRO's National Collections and Marine Infrastructure Information and Data Centre. Transects were conducted between Hobart, Tasmania, and Brisbane, Queensland.

Use Cases

• Modeling ocean current transport based on acoustic Doppler current profiler (ADCP) measurements.
• Analyzing temporal variability of the East Australian Current based on multi-year monitoring transects.
• Calibrating satellite-derived sea surface height data against in-situ current profiles.
• Studying the vertical structure of ocean currents based on narrowband ADCP data from two frequencies.

Strengths

• Data were collected using two specific instruments: RDI Ocean Surveyor 150kHz and 75kHz ADCPs.
• The voyage had a defined duration from May 8 to June 3, 2021, providing a clear temporal snapshot.
• Data were post-processed using the Common Ocean Data Access System (CODAS), suggesting a standardized quality control workflow.
• The transducer depth is precisely documented as approximately 8.0 meters below the water line.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Freshness should be verified; the metadata was last updated on 2026-06-23.

Provenance

Source

CSIRO National Collections and Marine Infrastructure (NCMI) Information and Data Centre (IDC), via the Australian Ocean Data Network.

Collection Method

Acoustic Doppler Current Profiler (ADCP) data collected via the University of Hawaii Data Acquisition System (UHDAS) aboard the RV Investigator.

Time Range

May 8, 2021 to June 3, 2021

Freshness

2026-06-23

Geography

Transect from Hobart, Tasmania, to Brisbane, Queensland, focusing on the East Australian Current at 27 degrees South.