This data set contains the imagery collected on the Marine National Facility (MNF) RV Investigator voyage IN2024_V02, titled ‘SOTS: Southern Ocean Time Series automated moorings for climate and carbon cycle studies southwest of Tasmania’. The voyage took place between 31/03/2024 and 19/04/2024 (AEST), departing from Hobart and ending in Hobart. Imagery and acoustics were collected as part of a piggy-back project at Patience seamount to contribute data to CSIRO Project OD-227021 Monitoring KNVs in marine parks using acoustic and optical methods ('basketwork eel'). Instrument(s) used to collect this data: MNF Deep Towed camera (DTC) Datasets include: Video (oblique forward view) Stereo stills (oblique forward view) Navigational data

This data set contains the imagery collected on the Marine National Facility (MNF) RV Investigator voyage IN2024_V04, titled ‘East Australian Current canyons survey’. The voyage took place between 07/06/2024 and 03/07/2024 (AEST), departing from Sydney and ending in Brisbane, collecting imagery of benthic habitats together with oceanographic data targeting two canyons – Solitary and Richmond canyon – and the adjacent slope. Instrument(s) used to collect this data: MNF Deep Towed camera (DTC) Datasets include: Video (oblique forward view) Stereo stills (oblique forward view) Navigational data

This data set contains the imagery collected on the Marine National Facility (MNF) RV Investigator voyage IN2024_V03, titled ‘Untangling the causes of change over 25 years in the southeast marine ecosystem (SEA-MES Voyage 2) ." The voyage took place between May 01, 2024 and May 31, 2024 (AEST), departing from Hobart and returning to Sydney, collecting imagery of benthic habitats together with oceanographic data. Instrument(s) used to collect this data: MNF Deep Towed camera (DTC) Datasets include: Video (oblique forward view) Stereo stills (oblique forward view) Navigational data

This data set contains the imagery collected on the Marine National Facility (MNF) RV Investigator voyage IN2025_V04, titled ‘Untangling the causes of change over 25 years in the southeast marine ecosystem - Voyage IV (SEA-MES Voyage 4)’. The voyage took place between May 27, 2025 and June 28, 2025 (AEST), departing from Hobart and returning to Hobart, collecting imagery of benthic habitats together with oceanographic data. Instrument(s) used to collect this data: MNF Deep Towed camera (DTC) Datasets include: Video (oblique forward view) Stereo stills (oblique forward view) Navigational data

This data set contains the imagery collected on the Marine National Facility (MNF) RV Investigator voyage IN2022_V09, titled ‘Valuing Australia’s new Gascoyne Marine Park’. The voyage took place between November 19, 2022 and December 19, 2022 (AEST), departing from Fremantle and returning to Fremantle, collecting imagery of benthic habitats together with oceanographic data. Instrument(s) used to collect this data: MNF Deep Towed camera (DTC) Datasets include: Video (oblique forward view) Stereo stills (oblique forward view) Navigational data

This record describes the End of Voyage archive from the Marine National Facility RV Investigator voyage IN2015_E02. This was a trial voyage for the RV Investigator departing Hobart (TAS) on April 7th and returning to Hobart on April 14th, 2015. The voyage objectives are a combination of specific aims for particular sampling gears and sample types - including conducting benthic biological sampling, the acquisition of high-quality data sets and fully-processed collections of specimens and samples - and to establish processes, safe procedures and workflows in particular areas of the vessel (e.g., working deck areas and sample processing laboratories). Data collected includes: Sherman sled, Smith-McIntyre grab, Deep Towed Camera, USBL, Multibeam sonar, ADCP, SBP120 Sub-bottom Profiler, Corer, Deep BRUV lander, CSIRO Beam trawl, SST Radiometer, Atmospheric data (Absorption Photometer, Nephelometer, Ozone, Radon), Greenhouse (Picarro, Aerodyne), pCO2, Echosounders, Multibeam (EM122, EM710, ME70 and SBP120), and XBT. The archive for the IN2015_E02 EOV data will be held temporarily within the CSIRO Oceans and Atmosphere Data Centre in Hobart, with a permanent archive to be located at the CSIRO Data Access Portal (DAP, https://data.csiro.au/dap/). EOV paper documentation: Multibeam (EM122, ME70, EM710, SBP120) and XBT logs WERE archived c/o the Data Centre in Hobart and the location entered in the archiving system TRIM, reference "in2015_e02 Paper Documentation." The paper documentation was scanned and made available electronically. The EOV data, scanned logs and voyage documentation will be available to the O&A voyage participants via the local network.

This record describes the End of Voyage (EOV) archive from the Marine National Facility RV Investigator trial voyage IN2015_E01 - Cold Water Trial voyage (including Atmospherics). This voyage took place from Hobart to Hobart from the 29th January to 18th February 2015 and went to 65 degrees south. The voyage objectives included testing the cold water and atmospheric operations; the collection and processing of data and samples to test laboratories, facilities and on board systems; specific testing and checks of aerosol sampling mast, aerosol laboratory and air-chemistry laboratory. Geophysical Survey Mapping data collection, including instrument calibrations, testing of equipment and deployments of XBTs. Data Acquisition operations including the integration and test of underway instruments, new atmospheric instruments and drop keel instrumentation. Data collected included Acoustic Doppler Current Profiler (ADCP)(75, 150 KHz), Underway (UWY), Gravity, SST Radiometer, Atmospheric data (Absorption Photometer, Nephelometer, Ozone and Radon), Greenhouse data (Aerodyne and Picarro), Underway pCO2, Echosounders (12, 18, 38, 70, 120, 200, 333, Bridge 200 KHz), Multibeam (EM122, EM710, ME70 and SBP120), Deep Towed Camera (DTC), Baited Remote Underwater Video System (BRUVS) and XBT. Additional Aerosol data collected included TSI 3772 Condensation Particle Counter (CPC), 3787, Time of flight aerosol chemical speciation monitor (ToF-ACSM), Cloud Condensation Nuclei Counter (CCN), Spectronus - trace gas analyser based on Fourier Transform Infrared spectrometry (FTIR), Long Scanning Mobility Particle Size (longSMPS), Nano Scanning Mobility Particle Size (nanoSMPS), Neutral Cluster Air Ion Spectrometer (NAIS), Proton Transfer Reaction Mass Spectrometer (PTR-MS), PTRMS_AUX, Radiosondes_balloons, Sequencer (SEQ) and Volatility Hygroscopicity Tandem Differential Mobility Analyser (VHTDMA). The EOV paper documentation - Multibeam (EM122, EM710, ME70 and SBP120), Gravity Meter and XBT logs are scanned, archived and entered in the records management system TRIM, reference "in2015_e01". ELOG files are generated as .csv and archived. All voyage documentation is archived c/o the Data Centre in Hobart available electronically to MNF support via the local network "global_docs". Access to voyage documentation for non CSIRO participants can be made via DataLibrariansOAMNF@csiro.au. The archive for the IN2015_E01 EOV data will be held temporarily within the CSIRO Oceans and Atmosphere Data Centre in Hobart with a permanent archive to be located at the CSIRO Data Access Portal (DAP), providing access to participants and processors of the data collected on the Marine National Facility RV Investigator IN2015_E01.

This record describes the End of Voyage (EOV) archive from the Marine National Facility (MNF) RV Investigator Charter Voyage IN2015_C01, titled: "Great Australian Bight (GAB) deep water geological and benthic ecology program". The voyage took place from Hobart (TAS) to Port Lincoln (SA) between October 22 and November 28, 2015. For further information refer to the Voyage documentation links below. Data collected include: Acoustic Doppler Current Profiler ADCP: 75, 150 KHz, CTD, Gravity, Hydrology, Atmospheric data: Absorption Photometer, Nephelometer, Ozone, Radon, Greenhouse data: Aerodyne, Picarro, Underway, pCO2, Echosounders: EK60 (18, 38, 70, 120, 200, 333,KHz), Multibeam: EM122, EM710, and SBP120, XBT, USBL, SMPS (Scanning Mobility Particle Sizer Spectrometer-3936), heat flow probe, magnetometer, Deep Towed Camera (DTC) and video. The archive for the IN2015_C01 EOV raw data is curated by the CSIRO Oceans and Atmosphere (O&A) 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 DataLibrariansOAMNF@csiro.au.

This record describes the End of Voyage (EOV) data archive from the Marine National Facility (MNF) RV Investigator voyage IN2024_E01, titled "Sea trials & calibrations." The voyage took place between October 28, 2024 and November 07, 2024 (AEST), departing from Hobart and returning to Hobart. For further information please refer to the voyage documentation links. Instruments used and data collected include: Regular measurements: Acoustic Doppler Current Profiler (ADCP; 75, 150 KHz), CTD, Hydrochemistry, Expendable Bathythermographs (XBTs), Fisheries Echosounder (EK80), Multibeam Echosounder (EM712, EM124), Sub-bottom Profiler (SBP29), Gravimeter, GPS Positioning System, Doppler Velocity Log, Thermosalinographs (TSG), Fluorometer, Oxygen optode, 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 Voyage-specific measurements: Deep Towed Camera (DTC) The archive for the IN2024_E01 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 (https://data.csiro.au/), 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. Applications to access voyage documentation by non-CSIRO participants can be made via data-requests-hf@csiro.au All processed data from this voyage are made publicly available through the MNF Data Trawler (in the related links)

This record describes the End of Voyage (EOV) data archive from the Marine National Facility (MNF) RV Investigator voyage IN2025_E01, titled "Sea trials & calibrations." The voyage took place between February 19, 2025 and March 01, 2025 (AEST), departing from Hobart and returning to Hobart. For further information please refer to the voyage documentation links. Instruments used and data collected include: Regular measurements: Acoustic Doppler Current Profiler (ADCP; 75, 150 KHz), Lowered ADCP (LADCP), CTD/Hydrochemistry, Gravimeter, Fisheries Echosounder (EK80), Multibeam Echosounder (EM124, EM712, EM2040), Underway (Navigation, Meteorological, Seawater instruments). Voyage-specific measurements: Triaxus, Deep-Towed Camera (DTC). The archive for the IN2025_E01 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 (https://data.csiro.au/), 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. Applications to access voyage documentation by non-CSIRO participants can be made via data-requests-hf@csiro.au All processed data from this voyage are made publicly available through the MNF Data Trawler (in the related links)