Data

RV Investigator Voyage IN2020_V06 EM122 Multibeam Echosounder Data

Australian Ocean Data Network
CSIRO O&A, Information & Data Centre (Point of contact) Navidad, Cisco (Originator of, Processor 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/5c8b9142-e67c-4997-8465-35c74ac34c8b&rft.title=RV Investigator Voyage IN2020_V06 EM122 Multibeam Echosounder Data&rft.identifier=77ae7ea0-15ef-4eef-af3e-5f0becf4796e&rft.publisher=Australian Ocean Data Network&rft.description=This record describes multibeam echosounder data collected on RV Investigator voyage IN2020_V06, titled Probing the Australian-Pacific Plate Boundary: Macquarie Ridge in 3-D. The voyage took place between October 8 and November 3, 2020 departing from Hobart (TAS) and arriving in Hobart (TAS). The Kongsberg EM122 multibeam echosounder was used to acquire seafloor bathymetry, backscatter information and watercolumn backscatter around Macquarie Island and during transit to the survey area. The EM122 provides a 1 degree by 1 degree angular resolution. The echosounder's nominal frequency is 12 kHz. Data are stored in *.all raw format for bathymetry and backscatter and *.wcd format for watercolumn backscatter at CSIRO. There are 667 files totalling 32.4 GB of raw data in this dataset. Sound velocity profiles were applied to this data during data acquisition. Bathymetry data contained in *.all format are corrected for motion and position. Tide corrections were not applied to the processed data. Processed data had outliers removed. Processed line data are available in *.gsf and ascii format, and processed bathymetry and backscatter grids in geotiff format. Additional information regarding this dataset, including information on processing streams, 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. Processed data are SV corrected, tide not corrected and edited using CARIS version 11.3&rft.creator=Anonymous&rft.date=2016&rft.coverage=westlimit=147.203; southlimit=-55.7; eastlimit=159.4; northlimit=-42.53; projection=WGS 84 (EPSG:4326)&rft.coverage=westlimit=147.203; southlimit=-55.7; eastlimit=159.4; northlimit=-42.53; 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 IN2020_V06 by the Marine National Facility.&rft_rights=Attribution 4.0&rft_rights= https://creativecommons.org/licenses/by/4.0/&rft_subject=oceans&rft_subject=geoscientificInformation&rft_subject=Ship: Investigator (RV)&rft_subject=Marine National Facility&rft_subject=Research Voyage: IN2020_V06&rft_subject=Earth Science | Oceans | Bathymetry/Seafloor Topography&rft_subject=Coastal Waters (Australia) | Tasmania Coast East and Southeast, TAS&rft_subject=Marine Features (Australia) | Derwent Estuary, TAS&rft_subject=Coastal Waters (Australia) | New South Wales Coast, NSW&rft_subject=Multibeam Echosounder - EM122&rft_subject=Sea-floor depth below surface of the water body&rft_subject=Sea-floor surface hardness&rft_subject=Density of the water body&rft_subject=research vessel&rft_subject=multi-beam 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: The dataset [Insert-dataset-name-here] downloaded on [Insert-DD-Mmm-YYYY-here] was collected on voyage IN2020_V06 by the Marine National Facility.

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This record describes multibeam echosounder data collected on RV Investigator voyage IN2020_V06, titled "Probing the Australian-Pacific Plate Boundary: Macquarie Ridge in 3-D." The voyage took place between October 8 and November 3, 2020 departing from Hobart (TAS) and arriving in Hobart (TAS). The Kongsberg EM122 multibeam echosounder was used to acquire seafloor bathymetry, backscatter information and watercolumn backscatter around Macquarie Island and during transit to the survey area. The EM122 provides a 1 degree by 1 degree angular resolution. The echosounder's nominal frequency is 12 kHz. Data are stored in *.all raw format for bathymetry and backscatter and *.wcd format for watercolumn backscatter at CSIRO. There are 667 files totalling 32.4 GB of raw data in this dataset. Sound velocity profiles were applied to this data during data acquisition. Bathymetry data contained in *.all format are corrected for motion and position. Tide corrections were not applied to the processed data. Processed data had outliers removed. Processed line data are available in *.gsf and ascii format, and processed bathymetry and backscatter grids in geotiff format. Additional information regarding this dataset, including information on processing streams, is contained in the GSM data acquisition and processing report. Additional data products may be available on request.

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Maintenance and Update Frequency: asNeeded
Statement: Original field data. Processed data are SV corrected, tide not corrected and edited using CARIS version 11.3

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159.4,-42.53 159.4,-55.7 147.203,-55.7 147.203,-42.53 159.4,-42.53

153.3015,-49.115

text: westlimit=147.203; southlimit=-55.7; eastlimit=159.4; northlimit=-42.53; projection=WGS 84 (EPSG:4326)

Subjects
Coastal Waters (Australia) | New South Wales Coast, NSW | Coastal Waters (Australia) | Tasmania Coast East and Southeast, TAS | Density of the water body | Earth Science | Oceans | Bathymetry/Seafloor Topography | Marine Features (Australia) | Derwent Estuary, TAS | Marine National Facility | Multibeam Echosounder - EM122 | Research Voyage: IN2020_V06 | Sea-floor depth below surface of the water body | Sea-floor surface hardness | Ship: Investigator (RV) | geoscientificInformation | multi-beam echosounders | oceans | research vessel |

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

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  • global : 77ae7ea0-15ef-4eef-af3e-5f0becf4796e
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