Data

RV Investigator Voyage IN2020_V01 EM122 Multibeam Echosounder Data

Australian Ocean Data Network
CSIRO O&A, Information & Data Centre (Point of contact) Data Officer (DW), Hobart (Processor of) Kuna, Nelson (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/7c0eb3ae-c987-46e8-9930-5986d5dd8df2&rft.title=RV Investigator Voyage IN2020_V01 EM122 Multibeam Echosounder Data&rft.identifier=7c0eb3ae-c987-46e8-9930-5986d5dd8df2&rft.publisher=Australian Ocean Data Network&rft.description=This record describes multibeam echosounder data collected from the Marine National Facility (MNF) RV Investigator Voyage IN2020_V01, titled: “Development of William’s Ridge, Kerguelen Plateau: tectonics, hotspot magmatism, microcontinents, and Australia’s Extended Continental Shelf” between January 08 and March 06, 2020 departing from Henderson (WA) and returning back to Fremantle (WA). The Kongsberg EM122 multibeam echosounder was used to acquire seafloor bathymetry, backscatter information and watercolumn backscatter at Rig Seismic Seamount, Williams Ridge, Broken Ridge and on associated transits. 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 2164 files totalling 174 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.Progress Code: completedMaintenance and Update Frequency: asNeededStatement: Original field data. Processed data are SV corrected, tide not corrected and edited using Qimera version 2.1 CARIS version 10.3&rft.creator=Anonymous&rft.date=2016&rft.coverage=westlimit=116; southlimit=-57; eastlimit=70; northlimit=-30; projection=WGS 84 (EPSG:4326)&rft.coverage=westlimit=116; southlimit=-57; eastlimit=70; northlimit=-30; 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 IN202020_V01 EM122 Data downloaded on 06-03-2020 was collected on voyage IN2020_V01 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_V01&rft_subject=BATHYMETRY/SEAFLOOR TOPOGRAPHY&rft_subject=EARTH SCIENCE&rft_subject=OCEANS&rft_subject=MARINE GEOPHYSICS&rft_subject=ACOUSTIC REFLECTIVITY&rft_subject=OCEAN ACOUSTICS&rft_subject=PLATE TECTONICS&rft_subject=MARINE GEOPHYSICS&rft_subject=Global / Oceans | Indian Ocean&rft_subject=Global / Oceans | Southern Ocean/ Australia extension&rft_subject=Marine Planning Regions (Australia) | South-west&rft_subject=Marine Planning Regions (Australia) | Kerguelen&rft_subject=Coastal Waters (Australia) | West Australia Coast, WA&rft_subject=Marine Features (Australia) | Australian EEZ&rft_subject=Offshore Islands (Australia) | Heard & McDonald Islands&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=multi-beam 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 IN202020_V01 EM122 Data downloaded on 06-03-2020 was collected on voyage IN2020_V01 by the Marine National Facility.

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Brief description

This record describes multibeam echosounder data collected from the Marine National Facility (MNF) RV Investigator Voyage IN2020_V01, titled: “Development of William’s Ridge, Kerguelen Plateau: tectonics, hotspot magmatism, microcontinents, and Australia’s Extended Continental Shelf” between January 08 and March 06, 2020 departing from Henderson (WA) and returning back to Fremantle (WA).

The Kongsberg EM122 multibeam echosounder was used to acquire seafloor bathymetry, backscatter information and watercolumn backscatter at Rig Seismic Seamount, Williams Ridge, Broken Ridge and on associated transits.

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 2164 files totalling 174 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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Progress Code: completed
Maintenance and Update Frequency: asNeeded
Statement: Original field data. Processed data are SV corrected, tide not corrected and edited using Qimera version 2.1 CARIS version 10.3

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70,-30 70,-57 116,-57 116,-30 70,-30

93,-43.5

text: westlimit=116; southlimit=-57; eastlimit=70; northlimit=-30; projection=WGS 84 (EPSG:4326)

Subjects
Acoustic Reflectivity | Bathymetry/Seafloor Topography | Coastal Waters (Australia) | West Australia Coast, WA | Density of the water body | EARTH SCIENCE | Global / Oceans | Indian Ocean | Global / Oceans | Southern Ocean/ Australia extension | Marine Geophysics | MARINE GEOPHYSICS | Marine Features (Australia) | Australian EEZ | Marine National Facility | Marine Planning Regions (Australia) | Kerguelen | Marine Planning Regions (Australia) | South-west | Multibeam Echosounder - EM122 | OCEAN ACOUSTICS | OCEANS | Offshore Islands (Australia) | Heard & McDonald Islands | Plate Tectonics | Research Voyage: IN2020_V01 | 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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Marine National Facility home page (MNF home page)

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

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  • global : 7c0eb3ae-c987-46e8-9930-5986d5dd8df2
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