Data

RV Investigator Voyage IN2021_E01 EK60/EK80 Echosounder

Australian Ocean Data Network
CSIRO O&A, Information & Data Centre (Point of contact) Data Officer (CN), Hobart (Processor of) Vandenbossche, Phil (Originator of)
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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=http://140.79.20.100:8080/geonetwork/srv/eng/catalog.search#/metadata/ff887cf9-18bb-464e-8bad-5dc6e0ad946b&rft.title=RV Investigator Voyage IN2021_E01 EK60/EK80 Echosounder&rft.identifier=93b6a16d-4912-4743-b6c0-77a4300622de&rft.publisher=Australian Ocean Data Network&rft.description=This record describes scientific split-beam echosounder data collected on the RV Investigator voyage IN2021_E01 (Trials and Calibration) which departed Hobart on the 10th November 2021 and returned to Hobart on the 14th November 2021. The purpose of this voyage was to undertake annual equipment calibrations and commissioning, sea trials and personnel training. The Simrad EK80 wide band transceivers (WBT) 18, 38, 70, 120, 200 and 333 kHz and the EK60 split-beam GPT 18, 70, 120, 200 and 333 kHz were calibrated at the start of this voyage at anchor in the Derwent Estuary on the 10th November 2021. The EK80 WBTs were calibrated using default settings for both CW and FM modes. The EK80 system was then used to acquire acoustic backscatter data to a range of 1500 m for the remainder of the voyage offshore to the southeast of Tasman Peninsula. All frequencies were logged sporadically for the extent of the voyage. The frequencies were set to passive for periods during the voyage when conducting other system calibrations. Data are stored in *.raw, *.bot and *.idx format at CSIRO. There are 289 files totalling 25.7 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=2021&rft.coverage=westlimit=147.35; southlimit=-43.59; eastlimit=148.72; northlimit=-42.89; projection=WGS 84 (EPSG:4326)&rft.coverage=westlimit=147.35; southlimit=-43.59; eastlimit=148.72; northlimit=-42.89; projection=WGS 84 (EPSG:4326)&rft_rights= https://creativecommons.org/licenses/by/4.0/&rft_rights=https://i.creativecommons.org/l/by/4.0/88x31.png&rft_rights=WWW:LINK-1.0-http--related&rft_rights=License Graphic&rft_rights=Attribution 4.0&rft_rights=WWW:LINK-1.0-http--related&rft_rights=License Text&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, grid.473585.8 in undertaking this research. The dataset EK60/EK80 downloaded on [Insert-DD-Mmm-YYYY-here] was collected on voyage IN2021_E01 (Trials and Calibration) by the Marine National Facility.&rft_rights=Attribution 4.0&rft_rights= https://creativecommons.org/licenses/by/4.0/&rft_subject=oceans&rft_subject=Ship: Investigator (RV)&rft_subject=Marine National Facility&rft_subject=Gear Trials: IN2021_E01&rft_subject=OCEAN ACOUSTICS&rft_subject=EARTH SCIENCE&rft_subject=OCEANS&rft_subject=Marine Features (Australia) | Derwent Estuary, TAS&rft_subject=Coastal Waters (Australia) | Tasmania Coast East and Southeast, TAS&rft_subject=Coastal Waters (Australia) | Tasmania Coast, TAS&rft_subject=Fisheries echosounder EK60&rft_subject=Fisheries echosounder - EK80&rft_subject=Abundance of biota&rft_subject=Biovolume&rft_subject=Sea-floor depth below surface of the water body&rft_subject=research vessel&rft_subject=Fish-finder echosounders&rft.type=dataset&rft.language=English Access the data
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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, grid.473585.8 in undertaking this research. The dataset EK60/EK80 downloaded on [Insert-DD-Mmm-YYYY-here] was collected on voyage IN2021_E01 (Trials and Calibration) by the Marine National Facility.

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NCMIGeophysicalSurveyMapping@csiro.au
data-requests@marine.csiro.au

Brief description

This record describes scientific split-beam echosounder data collected on the RV Investigator voyage IN2021_E01 (Trials and Calibration) which departed Hobart on the 10th November 2021 and returned to Hobart on the 14th November 2021.

The purpose of this voyage was to undertake annual equipment calibrations and commissioning, sea trials and personnel training. The Simrad EK80 wide band transceivers (WBT) 18, 38, 70, 120, 200 and 333 kHz and the EK60 split-beam GPT 18, 70, 120, 200 and 333 kHz were calibrated at the start of this voyage at anchor in the Derwent Estuary on the 10th November 2021. The EK80 WBTs were calibrated using default settings for both CW and FM modes. The EK80 system was then used to acquire acoustic backscatter data to a range of 1500 m for the remainder of the voyage offshore to the southeast of Tasman Peninsula.

All frequencies were logged sporadically for the extent of the voyage. The frequencies were set to passive for periods during the voyage when conducting other system calibrations. Data are stored in *.raw, *.bot and *.idx format at CSIRO. There are 289 files totalling 25.7 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.

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148.72,-42.89 148.72,-43.59 147.35,-43.59 147.35,-42.89 148.72,-42.89

148.035,-43.24

text: westlimit=147.35; southlimit=-43.59; eastlimit=148.72; northlimit=-42.89; projection=WGS 84 (EPSG:4326)

Subjects
Abundance of biota | Biovolume | Coastal Waters (Australia) | Tasmania Coast East and Southeast, TAS | Coastal Waters (Australia) | Tasmania Coast, TAS | EARTH SCIENCE | Fish-finder echosounders | Fisheries echosounder - EK80 | Fisheries echosounder EK60 | Gear Trials: IN2021_E01 | Marine Features (Australia) | Derwent Estuary, TAS | Marine National Facility | Ocean Acoustics | OCEANS | Sea-floor depth below surface of the water body | Ship: Investigator (RV) | oceans | research vessel |

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Marine National Facility home page (MNF home page)

uri : https://mnf.csiro.au/

Identifiers
  • global : 93b6a16d-4912-4743-b6c0-77a4300622de
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