This record describes the Radiosonde data from the Marine National Facility (MNF) RV Investigator voyage IN2023_V06, titled "Understanding Eddy Interactions and Their Impacts in the East Australian Current System." The voyage took place between October 9, 2023 and November 2, 2023 (AEST), departing from Sydney and returning to Sydney.

This record describes the End of Voyage (EOV) archive from the Marine National Facility (MNF) RV Investigator research voyage IN2021_V03, titled "Integrated Marine Observing System: monitoring of East Australian Current property transports at 27 degrees South (multi-year)." The voyage took place from Hobart (TAS) to Brisbane (QLD) between May 8 and June 3, 2021 (AEST). For further information please refer to the voyage documentation links below. Instruments used and data collected include: Regular measurements: Acoustic Doppler Current Profiler (ADCP; 75, 150 KHz ), Greenhouse Gas Analysers (Picarro), Cloud Condensation Nuclei counter (CCN), Condensation Particle Counters (CPC), Disdrometer, Radon and Ozone sensors, CTD, Hydrochemistry, Gravimeter, pCO2, Multibeam Echosounder (EM710, EM122), Fisheries echosounder (ME70), Sub-bottom Profiler (SBP120), GPS Positioning System, Doppler Velocity Log, Thermosalinographs (TSG), Fluorometer, Oxygen optode, Infrared Sea Surface Temperature Autonomous Radiometer (ISAR), Multiangle Absorption Photometer (MAAP), Nephelometer, Atmospheric Temperature, Humidity, Pressure, Wind and Rain sensors, Photosynthetically Active Radiation (PAR) sensor, Precision Infrared Radiometer (PIR), Precision Spectral Pyranometer (PSP), Starboard and Portside Radiometers, Ultra Short BaseLine Underwater Positioning System (USBL), Triaxus, Weather Radar, Wildlife observations (seabirds, cetaceans and seals), Expendable Bathythermographs (XBTs). Voyage-specific measurements: Autonomous Surface Vehicle CO2 sensor (ASVCO2), Beam Trawl, Biogeochemical (BGC) Argo floats, Core Argo floats, Bongo Net, Plankton Net, Cosmic Ray Detector, Moorings. The archive for the IN2021_V03 EOV raw data is curated by the CSIRO National Collections and Marine Infrastructure (NCMI) Information and Data Centre (IDC) in Hobart, with a permanent archive at the CSIRO Data Access Portal (DAP, https://data.csiro.au/dap/), providing access to participants and processors of the data collected in the voyage. All voyage documentation is available electronically to MNF support via the local network. Access to voyage documentation for non-CSIRO participants can be made via NCMI_DataLibrarians@csiro.au.

This record describes the End of Voyage (EOV) data archive from the Marine National Facility (MNF) RV Investigator voyage IN2021_T01, titled "Transit: Brisbane to Darwin". The voyage took place from Brisbane (QLD) to Darwin (NT) between June 10th (AEST) and June 23rd (ACST), 2021. There were seven projects on this voyage: • Microplastics in the food chain: impact on the microbial and planktonic organisms; • Linking the Biological Carbon Pump flux to microbial colonisation of sinking particles in the Southern Ocean in the Coral Sea; • Dinoflagellates & broader planktonic assemblage observation; • BGC-Argo Float Deployment; • Cosmic Ray Measurements; • Carbon Sampling; and • Flow cytometric classification of the phytoplankton community across Australia’s top end For further information please refer to the voyage documentation links. Instruments used and data collected include: Regular measurements: Lowered ADCP (LADCP), Acoustic Doppler Current Profiler (ADCP; 75, 150 KHz ), Greenhouse Gas Analysers (Picarro), Cloud Condensation Nuclei counter (CCN), Condensation Particle Counters (CPC), Disdrometer, Radon Sensor, Scanning Mobility Particle Sizers (SMPS), CTD, Hydrochemistry, Fisheries Echosounder (EK60, EK80), Multibeam Echosounder (EM710, EM122), Sub-bottom Profiler (SBP120), GPS Positioning System, Thermosalinographs (TSG), Fluorometer, Oxygen optode, Infrared Sea Surface Temperature Autonomous Radiometer (ISAR), pCO2, Gravimeter, Multiangle Absorption Photometer (MAAP), Ozone Sensor, Nephelometer, Atmospheric Temperature, Humidity, Pressure, Wind and Rain sensors, Photosynthetically Active Radiation (PAR) sensor, Precision Infrared Radiometer (PIR), Precision Spectral Pyranometer (PSP), Starboard and Portside Radiometers, Air Sampler,Weather Radar. Voyage-specific measurements: Cosmic Ray Detector, Underwater Bioluminescence Assessment Tool (UBAT), Multiple Plankton Sampler (HydroBIOS Multinet). The archive for the IN2021_T01 EOV raw data is curated by the CSIRO National Collections and Marine Infrastructure (NCMI) Information and Data Centre (IDC) in Hobart, with a permanent archive at the CSIRO Data Access Portal (DAP, https://data.csiro.au/dap/), providing access to voyage participants and processors of the data collected on the voyage. All voyage documentation is available electronically to MNF support via the local network. Access to voyage documentation for non-CSIRO participants can be made via NCMI_DataLibrarians@csiro.au.