Dataset

RV Investigator Voyage IN2021_V04 ADCP Data

This record describes the Acoustic Doppler Current Profiler (ADCP) data collected from the Marine National Facility 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 returning in Hobart (TAS). Data was collected during in2021_v04 for most of the voyage. The OS75 was turned off whilst in shallower water to prioritise mapping and the OS150 was turned off briefly for mapping around Christmas Island. Data was collected using UHDAS and post-processed using CODAS. Both the RDI Ocean Surveyor 150kHz ADCP and the RDI Ocean Surveyor 75kHz ADCP were run in narrowband. Internal triggering was used. The drop keel was at 2m below the waterline for the duration of the voyage. See the voyage computing and electronics report for more details regarding data acquisition. This dataset was processed and then archived within the CSIRO National Collections and Marine Infrastructure (NCMI) Information and Data Centre (IDC) in Hobart.

Data and Resources

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Data Licensing
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OS75 ADCP Data (NetCDF)
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Processing Report (PDF)
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Data Trawler
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OS75nb Plots
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OS150nb Plots
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OS150 ADCP Data (NetCDF)
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Investigator Survey
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Marine National Facility
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Unnamed resource
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Additional Information

Field	Value
Published (Metadata Record)	02/03/2026
Last updated	03/03/2026
Organisation	Australian Federal Government
License	License Not Specified
Update Frequency	Unknown