Data

RV Investigator Voyage IN2019_V01 EK60 Echosounder

Australian Ocean Data Network
CSIRO O&A, Information & Data Centre (Point of contact) Data Officer (DW), Hobart (Processor of) Nau, Amy (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=https://marlin.csiro.au/geonetwork/srv/eng/catalog.search#/metadata/c27a9c39-cb65-4b04-acfb-1854908d55e7&rft.title=RV Investigator Voyage IN2019_V01 EK60 Echosounder&rft.identifier=c27a9c39-cb65-4b04-acfb-1854908d55e7&rft.publisher=Australian Ocean Data Network&rft.description=This record describes scientific split-beam echosounder data collected on the RV Investigator voyage IN2019_V01, The availability of Antarctic krill to large predators and their role in biogeochemical recycling in the Southern Ocean which departed Hobart on the 19th January, 2019 and returned to Hobart on the 5th of March, 2019. The Simrad EK60 split beam echosounders 18, 38, 70 120, 200 and 333 kHz were used to acquire acoustic backscatter data to a range of 1500 m during the transit to/from the survey area, and a range of 700m while within the survey area in Antarctic waters. All frequencies were logged continuously for the extent of the voyage. A cold water calibration was performed at the Antarctic survey site, with the new calibration values applied to the dataset between 25 January and 27 February. Transit data were logging using calibration values from Hobart in June 8, 2018. Data are stored in *.raw, *.bot and *.idx format at CSIRO. There are 11,511 files totalling 214 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.Progress Code: completedMaintenance and Update Frequency: asNeededStatement: Original field data.&rft.creator=Anonymous&rft.date=2016&rft.coverage=westlimit=138; southlimit=-67; eastlimit=153; northlimit=-42; projection=WGS 84 (EPSG:4326)&rft.coverage=westlimit=138; southlimit=-67; eastlimit=153; northlimit=-42; 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: The dataset [Insert-dataset-name-here] downloaded on [Insert-DD-Mmm-YYYY-here] was collected on voyage [Insert-voyage-name-here] 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=Research Voyage: IN2019_V01&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, TAS&rft_subject=Continents | Antarctica&rft_subject=Global / Oceans | Southern Ocean&rft_subject=Fisheries echosounder EK60&rft_subject=Abundance of biota&rft_subject=Biovolume&rft_subject=Sea-floor depth below surface of the water body&rft_subject=Fish-finder echosounders&rft_subject=research vessel&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: The dataset [Insert-dataset-name-here] downloaded on [Insert-DD-Mmm-YYYY-here] was collected on voyage [Insert-voyage-name-here] by the Marine National Facility.

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Brief description

This record describes scientific split-beam echosounder data collected on the RV Investigator voyage IN2019_V01, The availability of Antarctic krill to large predators and their role in biogeochemical recycling in the Southern Ocean which departed Hobart on the 19th January, 2019 and returned to Hobart on the 5th of March, 2019.

The Simrad EK60 split beam echosounders 18, 38, 70 120, 200 and 333 kHz were used to acquire acoustic backscatter data to a range of 1500 m during the transit to/from the survey area, and a range of 700m while within the survey area in Antarctic waters. All frequencies were logged continuously for the extent of the voyage. A cold water calibration was performed at the Antarctic survey site, with the new calibration values applied to the dataset between 25 January and 27 February. Transit data were logging using calibration values from Hobart in June 8, 2018.

Data are stored in *.raw, *.bot and *.idx format at CSIRO. There are 11,511 files totalling 214 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

Progress Code: completed
Maintenance and Update Frequency: asNeeded
Statement: Original field data.

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153,-42 153,-67 138,-67 138,-42 153,-42

145.5,-54.5

text: westlimit=138; southlimit=-67; eastlimit=153; northlimit=-42; projection=WGS 84 (EPSG:4326)

Subjects
Abundance of biota | Biovolume | Coastal Waters (Australia) | Tasmania Coast, TAS | Continents | Antarctica | EARTH SCIENCE | Fish-finder echosounders | Fisheries echosounder EK60 | Global / Oceans | Southern Ocean | Marine Features (Australia) | Derwent Estuary, TAS | Marine National Facility | Ocean Acoustics | OCEANS | Research Voyage: IN2019_V01 | 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/

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  • global : c27a9c39-cb65-4b04-acfb-1854908d55e7
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