Data

RV Investigator Voyage IN2025_V07 EK80 Echosounder

Australian Ocean Data Network
Brouwer, Jill (Originator of) CSIRO (Associated with) CSIRO NCMI (Associated with) CSIRO O&A, Information & Data Centre (Point of contact) CSIRO Oceans & Atmosphere - Hobart (Associated with)
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://marlin.csiro.au/geonetwork/srv/eng/catalog.search#/metadata/ff887cf9-18bb-464e-8bad-5dc6e0ad946b&rft.title=RV Investigator Voyage IN2025_V07 EK80 Echosounder&rft.identifier=7ad3713c-2d6e-4d69-b29d-187c7bb8ae4a&rft.publisher=Australian Ocean Data Network&rft.description=This record describes scientific split-beam echosounder data collected on the RV Investigator voyage IN2025_V07, 'SOFS recovery voyage' which departed Hobart on the 1/7/2025 and returned to Hobart on the 6/7/2025. This voyage was staffed by only one GSM team member, thus 24 hours acquisition was not possible and there may be gaps in the data record.The Simrad EK80 split beam echosounders for 18, 38, 70 120, 200 and (333) kHz were used to acquire acoustic backscatter data to a range of 1500 m, between the Southern Ocean Time Series (SOTS) mooring site and South Tasman Rise. All frequencies were logged sporadically for the extent of the voyage. The 333khz frequency was set to passive for the whole of the voyage.Data are stored in *.raw, *.bot and *.idx format at CSIRO. There are 70 files totalling 6.66 GB of raw data in this dataset.No processing has been conducted on this data.Additional information regarding this dataset is contained in the GSM data acquisition and processing report. Additional data products may be available on request.Maintenance and Update Frequency: asNeededStatement: Original field data.&rft.creator=Anonymous&rft.date=2025&rft.coverage=westlimit=142.7787; southlimit=-47.6341; eastlimit=147.9906; northlimit=-42.8824; projection=WGS 84 (EPSG:4326)&rft.coverage=westlimit=142.7787; southlimit=-47.6341; eastlimit=147.9906; northlimit=-42.8824; projection=WGS 84 (EPSG:4326)&rft_rights=Attribution 4.0 https://creativecommons.org/licenses/by/4.0/&rft_rights=&rft_rights=Data is made available under a Creative Commons Attribution 4.0 International Licence, please see link. Data is supplied 'as is' without any warranty or guarantee except as required by law to be given to you. The data may not be free of error, comprehensive, current or appropriate for your particular purpose. You accept all risk and responsibility for its use. ATTRIBUTION STATEMENT: “We acknowledge the use of the CSIRO Marine National Facility (https://ror.org/01mae9353 ) in undertaking this research.” The dataset RV Investigator Voyage IN2025_V07 EK80 Echosounder downloaded on [Insert-DD-Mmm-YYYY-here] was collected on voyage IN2025_V07 by the Marine National Facility.&rft_subject=oceans&rft_subject=Ship: Investigator (RV)&rft_subject=Marine National Facility&rft_subject=Research Voyage: IN2025_V07&rft_subject=Earth Science | Oceans | Ocean Acoustics&rft_subject=Marine Features (Australia) | Derwent Estuary, TAS&rft_subject=Global / Oceans | Southern Ocean&rft_subject=Coastal Waters (Australia) | Tasmania Coast, TAS&rft_subject=Fisheries echosounder - EK80&rft_subject=Abundance of biota&rft_subject=Biovolume&rft_subject=research vessel&rft_subject=Fish-finder echosounders&rft.type=dataset&rft.language=English Access the data
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Attribution 4.0
https://creativecommons.org/licenses/by/4.0/

Data is made available under a Creative Commons Attribution 4.0 International Licence, please see link. Data is supplied 'as is' without any warranty or guarantee except as required by law to be given to you. The data may not be free of error, comprehensive, current or appropriate for your particular purpose. You accept all risk and responsibility for its use. ATTRIBUTION STATEMENT: “We acknowledge the use of the CSIRO Marine National Facility (https://ror.org/01mae9353 ) in undertaking this research.” The dataset RV Investigator Voyage IN2025_V07 EK80 Echosounder downloaded on [Insert-DD-Mmm-YYYY-here] was collected on voyage IN2025_V07 by the Marine National Facility.

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Full description

This record describes scientific split-beam echosounder data collected on the RV Investigator voyage IN2025_V07, 'SOFS recovery voyage' which departed Hobart on the 1/7/2025 and returned to Hobart on the 6/7/2025. This voyage was staffed by only one GSM team member, thus 24 hours acquisition was not possible and there may be gaps in the data record.

The Simrad EK80 split beam echosounders for 18, 38, 70 120, 200 and (333) kHz were used to acquire acoustic backscatter data to a range of 1500 m, between the Southern Ocean Time Series (SOTS) mooring site and South Tasman Rise. All frequencies were logged sporadically for the extent of the voyage. The 333khz frequency was set to passive for the whole of the voyage.
Data are stored in *.raw, *.bot and *.idx format at CSIRO. There are 70 files totalling 6.66 GB of raw data in this dataset.

No processing has been conducted on this data.

Additional information regarding this dataset is contained in the GSM data acquisition and processing report. Additional data products may be available on request.

Lineage

Maintenance and Update Frequency: asNeeded
Statement: Original field data.

Notes

Credit
Data collected on the Marine National Facility (MNF) RV Investigator voyage IN2025_V07. The MNF must be acknowledged in all outputs derived from Data and/or Samples collected by, or with support from, the MNF. Acknowledge the MNF in outputs with the statement: “We acknowledge the use of the CSIRO Marine National Facility (https://ror.org/01mae9353 ) in undertaking this research.” Acknowledgment and citations should be in all forms of publication including presentations (where the acknowledgement should be on the closing slide), journals, books, reports and related research outputs.

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147.9906,-42.8824 147.9906,-47.6341 142.7787,-47.6341 142.7787,-42.8824 147.9906,-42.8824

145.38465,-45.25825

text: westlimit=142.7787; southlimit=-47.6341; eastlimit=147.9906; northlimit=-42.8824; projection=WGS 84 (EPSG:4326)

Subjects
Abundance of biota | Biovolume | Coastal Waters (Australia) | Tasmania Coast, TAS | Earth Science | Oceans | Ocean Acoustics | Fish-finder echosounders | Fisheries echosounder - EK80 | Global / Oceans | Southern Ocean | Marine Features (Australia) | Derwent Estuary, TAS | Marine National Facility | Research Voyage: IN2025_V07 | Ship: Investigator (RV) | oceans | research vessel |

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Other Information
Geophysical Survey and Mapping website information for this data set and link to downloading data. (Geophysical Survey and Mapping website information for this data set)

url : https://www.marine.csiro.au/data/trawler/survey_details.cfm?survey=IN2025_V07&instrument=EK80

RV Investigator survey information

url : https://www.marine.csiro.au/data/trawler/survey_details.cfm?survey=IN2025_V07

Marine National Facility home page (MNF home page)

url : https://mnf.csiro.au/

Link to the CSIRO Data Access Portal (Data Access Portal)

url : https://data.csiro.au/dap/

Link to visualisation tool for Near Real-Time Underway Data (NRUD) (Underway Visualisation Tool)

url : http://www.marine.csiro.au/data/underway/?survey=IN2025_V07

Identifiers
  • global : 7ad3713c-2d6e-4d69-b29d-187c7bb8ae4a