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Gear Trials: IN2015_E02

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  • This record describes scientific split-beam echosounder data collected on the RV Investigator voyage IN2015_E02, which departed Hobart 2015-04-07 and returned on 2015-04-14. This voyage is a trial of the new vessel for conducting benthic biological sampling. The Simrad EK60 split beam echosounder was turned on for testing. No processing or QC has been conducted on this data. Data are stored in *.raw, *.bot and *.idx format at CSIRO. There are 161 files totalling 19.5 GB of raw data in this dataset. Additional information regarding this dataset is contained in the GSM data acquisition and processing report. Additional data products may be available on request.

  • This record describes multibeam echosounder data collected on RV Investigator voyage IN2015_E02, which departed Hobart 2015-04-07 and returned on 2015-04-14. The Kongsberg EM7122 multibeam echosounder was used to acquire seafloor bathymetry and backscatter information along the south coast area within the Huon MPA. Ping rate varied according to depth. Data are stored in *.all raw format at CSIRO Oceans and Atmosphere. There are 133 files totaling 3.49 GB of raw data in this dataset. Sound velocity profiles using sea surface temperature were applied to this data during data acquisition. Tide corrections were not applied to the processed data. Processed data are available in XYZ and GSF format. Additional information regarding this dataset is contained in the GSM data acquisition and processing report. Additional data products available on request.

  • This record describes multibeam echosounder data collected on RV Investigator voyage IN2015_E02, which departed Hobart 2015-04-07 and returned on 2015-04-14. The Kongsberg EM710 multibeam echosounder was used to acquire seafloor bathymetry and backscatter information along the south coast within the Huon MPA. Ping rate varied according to depth. Data are stored in *.all raw format at CSIRO Oceans and Atmosphere. There are 39 files totaling 3.3 GB of raw data in this dataset. The acquisition PC failed mid voyage and no data was acquired within the seamounts region within the MPA. Sound velocity profiles using sea surface temperature were applied to this data during data acquisition. Tide corrections were not applied to the processed data. Processed data are available in XYZ and GSF format. Additional information regarding this dataset is contained in the GSM data acquisition and processing report. Additional data products available on request.

  • This record describes Underway (UWY) data collected from the Marine National Facility RV Investigator voyage IN2015_E02. This is a trial voyage for the RV Investigator departing Hobart on the 8 April and returning to Hobart on the 14th April 2015. Standard Underway data is continuously recorded (refer to Attributes Overview): (1) Navigation data (NAV): Latitude, Longitude, Speed, Heading, course over ground, Gyros, and Doppler Log (dual GPS instrument). (2) Thermosalinograph (TSG): Water Salinity, flow-rate, Temperature, Fluorescence, and pCO2. (3) Atmospheric (MET): Humidity, Wind speed and direction (vane and ultrasonic), Radiometer, Pyranometer, PAR, Air temperature, Air pressure, rain, Ozone and Trace gases (port and starboard instruments). Data are recorded at 5 second intervals. Near real-time data are available via the link "Visualisation tool for Underway Data." This dataset will not be processed, however raw unQC'd data can be supplied upon request. Additional information regarding this dataset is contained in the Cruise Summary Report for this voyage.

  • This record describes the sediment data collected from the Marine National Facility RV Investigator Event Voyage IN2015_E02, departing Hobart on the 7th April and returning to Hobart on the 14th April, 2015. The primary voyage objective was to deploy a specific sub-set of sampling equipment related to benthic biology, to establish processes, procedures and work flows in places such as the rear deck and sample processing laboratories. The primary equipment trialled was the MNF Deep Tow Camera, MNF Beam trawl, MNF Benthic (Sherman) Sled, and MNF Smith-McIntyre Grab, and the CSIRO-supplied Integrated Corer Platform (ICP), DeepBRUVs lander, and fishing dropline. The Integrated Coring Platform ( ICP) combines a number of technologies to maximise sampling in a single deployment. The ICP is built around a 6 barrel corer (KC, Denmark) and together with its central electronics module integrates cameras (cable, seafloor and corer views), CTD (SBE37IDO), altimeter, 120KHz scientific echo-sounders, Niskin bottles and hydrocarbon sensor suite. Sensor data is delivered in real time to the surface via fibre optic deployment cable. Video data from the ICP cameras includes imagery of seafloor types and mid-water biota during the up/down casts, refer to related marlin record for video data access. This metadata record describes the sediment collection using the grab and ICP taken inside the Huon Commonwealth Marine Reserve at 5 depth strata (100m, 200m, 500m, 1000m and 2000m) and on Patience seamount. Sediment samples were collected for chemical (CSIRO Energy), grainsize and composition (SARDI) analyses; surface water was also collected for PAH (polycyclic aromatic hydrocarbons ) analysis by NMI (National Measurements Institute). Bulk samples of sediments were elutriated for macrofauna analysis (University of Adelaide).

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    This record describes the biological data collected from the Marine National Facility RV Investigator Event Voyage IN2015_E02, departing Hobart on the 7th April and returning to Hobart on the 14th April, 2015. The primary voyage objective was to deploy a specific sub-set of sampling equipment related to benthic biology, and to establish processes, procedures and work flows in places such as the rear deck and sample processing laboratories. The primary equipment trialled was the MNF Deep Tow Camera, MNF Beam trawl, MNF Benthic (Sherman) Sled, and MNF Smith-McIntyre Grab, and the CSIRO-supplied Instrumented Corer Platform (ICP), DeepBRUVs lander, and fishing dropline. This metadata record describes the biological catches of benthic fauna collected using the beam trawl, sled, grab and ICP. The dropline failed to yield fish catches; however, the data also includes catches from invertebrate traps deployed on the dropline and in the deepBRUVs landers. Catches of epibenthic fauna were taken inside the Huon Commonwealth Marine Reserve at 5 depth strata (100m, 200m, 500m, 1000m and 2000m) and on Patience seamount. The catches were sorted into field identifications of operational taxonomic units (OTUs), documented and where deemed appropriate, photographed and data-based before preservation for lodgment in Australian Museums. The specimen collections will be curated at the museums for future taxonomic work. Plans for upgrading these data are subject to funding.

  • 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 some Underway (UWY) data collected from the Marine National Facility (MNF) RV Investigator, which are not part of research datasets and have not been processed or quality-controlled. This includes data from most "Gear trials" voyages (identified by the survey name suffix "_eNN"). Underway data from these voyages are usually not processed unless requested. While RV Investigator is at sea, standard Underway data are continuously recorded, consisting of: (1) Navigation data (NAV): Latitude, Longitude, Speed, Heading, Course Over Ground, Gyros, and Doppler Log (dual GPS instrument). (2) Thermosalinograph (TSG): Water Salinity, Flow-Rate, Temperature, Fluorescence, pCO2 and Optode/Oxygen. (3) Atmospheric (MET): Humidity, Wind Speed and Direction (vane and ultrasonic), Radiometer/Sea Surface Temperature, Pyranometer/Solar Radiation, Photosynthetically Active Radiation (PAR), Air Temperature, Air Pressure, Rain, Ozone and Trace Gases (port and starboard instruments). During the voyage, near real-time data are available from the MNF tool NRUD (Near Real-Time Underway Data) via the link "Visualisation tool for Underway Data" below. To request access after the voyage please contact the data custodian. The Underway data collected during research voyages (identified by the survey name suffix "_vNN") are processed and quality-controlled by the Marine National Facility (MNF). The processed datasets from these voyages are made available at time intervals of 5 sec (NetCDF format), 5 sec, 10 sec, 1 min and 5 min (ASCII/CSV format) through a voyage-specific metadata record. Additional information regarding processed datasets is available in the Voyage Summary and/or the Data Processing Reports linked to the relevant metadata records.

  • This record describes the ISAR/SST Sea Surface Temperature data collected on the RV Investigator Voyages from 2014 onwards. The infrared SST autonomous radiometer (ISAR) is a self-calibrating instrument capable of measuring in situ sea surface skin temperature to an accuracy of 0.1 K. The SST Radiometer is mounted on the port bridge wing, approximately 19.593m above the summer load line. The RV Investigator ISAR skin SST data are also supplied both in real-time (http://thredds.aodn.org.au/thredds/catalog/IMOS/SOOP/SOOP-ASF/VLMJ_Investigator/meteorological_sst_observations/catalog.html) and in delayed mode after reprocessing (e.g., http://thredds.aodn.org.au/thredds/catalog/IMOS/SOOP/SOOP-ASF/VLMJ_Investigator/meteorological_sst_observations/2016/ISAR-QC/catalog.html). These reprocessed files will be particularly valuable for satellite SST validation (as the ISAR measures SST at the same depth as measured by satellites) and are currently (2017) being used by EUMETSAT for Sentinel-3 SST validation and to JMA and Oceans University China for Himawari-8 SST validation. Further information can be found in the data and documentation links below.

  • The Radon measurements are obtained from a sensor mounted on the Research Vessel RV Investigator of the Australian Marine National Facility (MNF) managed by CSIRO Oceans and Atmosphere (O&A), and processed by ANSTO's Institute for Environmental Research. The dataset includes quality-controlled data collected from 2014 onwards. The RV Investigator voyages where data was collected and processed are listed below in this record. Potential users of the dataset are encouraged to discuss any aspects of its application with the contact persons listed in the dataset “Notes” tab: we are very enthusiastic and keen to support and participate in your science! REFERENCES: Zahorowski, W. and Whittlestone, S. (1999). Radon database 1987-1996: A review. In: Baseline Atmospheric Program (Australia) 1996 (eds. Gras, JL, Derek N, Tindale, NW, and Dick, AL). Bureau of Meteorology and CSIRO Atmospheric Research, Melbourne, 71-80. Zahorowski, W. et al. (2013). Constraining annual and seasonal radon-222 flux density from the Southern Ocean using radon-222 concentrations in the boundary layer at Cape Grim. Tellus B, 65. ISSN 1600-0889. doi:http://dx.doi.org/10.3402/tellusb.v65i0.19622. Chambers, SD, Hong, SB, Williams, AG, Crawford, J, Griffiths, AD, & Park, SJ (2014). Characterising terrestrial influences on Antarctic air masses using Radon-222 measurements at King George Island. Atmospheric Chemistry and Physics, 14(18), 9903-9916. doi:http://dx.doi.org/10.5194/acp-14-9903-2014. Chambers, S, Williams, AG, Zahorowski, W, Griffiths, A and Crawford, J. (2011). Separating remote fetch and local mixing influences on vertical radon measurements in the lower atmosphere. Tellus B, 63: 843-859. doi:10.1111/j.1600-0889.2011.00565.x. Griffiths AD, Chambers SD, Williams AG and Werczynski SR. (2016). Increasing the accuracy and temporal resolution of two-filter radon-222 measurements by correcting for the instrument response. Atmos. Meas. Tech., 9:2689-2707. doi:10.5194/amt-9-2689-2016.