Data

RV Investigator Voyage IN2019_V07 EM122 Multibeam Echosounder Data

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=https://marlin.csiro.au/geonetwork/srv/eng/catalog.search#/metadata/ead93e08-7786-4886-a28d-aa340548afe1&rft.title=RV Investigator Voyage IN2019_V07 EM122 Multibeam Echosounder Data&rft.identifier=ead93e08-7786-4886-a28d-aa340548afe1&rft.publisher=Australian Ocean Data Network&rft.description=This record describes multibeam echosounder data collected on RV Investigator voyage IN2019_V07, 'RAN Hydrographic and Maritime Heritage Surveys' which departed Hobart on the 11 April 2019 and returned to Hobart on the 23 April 2019. The Kongsberg EM122 multibeam echosounder was used to acquire seafloor bathymetry, backscatter information [and watercolumn backscatter] along the Tasmanian East Coast/Tasman Sea. 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 102 files totalling 3.37 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 CARIS version 10.3.1&rft.creator=Anonymous&rft.date=2016&rft.coverage=westlimit=146; southlimit=-43.3; eastlimit=150; northlimit=-38; projection=WGS 84 (EPSG:4326)&rft.coverage=westlimit=146; southlimit=-43.3; eastlimit=150; northlimit=-38; 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 EM122 downloaded on [Insert-DD-Mmm-YYYY-here] was collected on voyage in2019_v07 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: IN2019_V07&rft_subject=BATHYMETRY&rft_subject=EARTH SCIENCE&rft_subject=OCEANS&rft_subject=BATHYMETRY/SEAFLOOR TOPOGRAPHY&rft_subject=BATHYMETRY/SEAFLOOR TOPOGRAPHY&rft_subject=CONTINENTAL MARGINS&rft_subject=WATER DEPTH&rft_subject=OCEANS&rft_subject=Regional Seas | Tasman Sea&rft_subject=Marine Features (Australia) | Bass Strait, TAS/VIC&rft_subject=Coastal Waters (Australia) | Tasmania Coast East and Southeast, TAS&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 EM122 downloaded on [Insert-DD-Mmm-YYYY-here] was collected on voyage in2019_v07 by the Marine National Facility.

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Brief description

This record describes multibeam echosounder data collected on RV Investigator voyage IN2019_V07, 'RAN Hydrographic and Maritime Heritage Surveys' which departed Hobart on the 11 April 2019 and returned to Hobart on the 23 April 2019.

The Kongsberg EM122 multibeam echosounder was used to acquire seafloor bathymetry, backscatter information [and watercolumn backscatter] along the Tasmanian East Coast/Tasman Sea.

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 102 files totalling 3.37 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 CARIS version 10.3.1

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150,-38 150,-43.3 146,-43.3 146,-38 150,-38

148,-40.65

text: westlimit=146; southlimit=-43.3; eastlimit=150; northlimit=-38; projection=WGS 84 (EPSG:4326)

Subjects
Bathymetry | BATHYMETRY/SEAFLOOR TOPOGRAPHY | Bathymetry/Seafloor Topography | Continental Margins | Coastal Waters (Australia) | Tasmania Coast East and Southeast, TAS | Density of the water body | EARTH SCIENCE | Marine Features (Australia) | Bass Strait, TAS/VIC | Marine National Facility | Multibeam Echosounder - EM122 | Oceans | OCEANS | Regional Seas | Tasman Sea | Research Voyage: IN2019_V07 | Sea-floor depth below surface of the water body | Sea-floor surface hardness | Ship: Investigator (RV) | Water Depth | geoscientificInformation | multi-beam echosounders | oceans | research vessel |

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  • global : ead93e08-7786-4886-a28d-aa340548afe1
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