Data

RV Investigator Voyage IN2021_T01 EM122 Multibeam Echosounder Data

Australian Ocean Data Network
CSIRO O&A, Information & Data Centre (Point of contact) Kuna, Nelson (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 IN2021_T01 EM122 Multibeam Echosounder Data&rft.identifier=80ec3863-b7bb-4958-a268-40839517b3b0&rft.publisher=Australian Ocean Data Network&rft.description=This record describes multibeam echosounder data collected on RV Investigator voyage IN2021_T01, Brisbane to Darwin Transit which departed Brisbane (QLD) on the 11 Jun and returned to Darwin (NT) on the 22 Jun 2021. The Kongsberg EM122 multibeam echosounder was used to acquire seafloor bathymetry and backscatter information along the deep water leg of the transit up the East Coast of QLD. 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 164 files totalling 12.1 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. EGM2008 geoid separation model was applied to the processed data set. 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 QPS Qimera version 2.4.1&rft.creator=Anonymous&rft.date=2021&rft.coverage=westlimit=129.28739959; southlimit=-27.64536113; eastlimit=153.89677459; northlimit=-9.05954354; projection=WGS 84 (EPSG:4326)&rft.coverage=westlimit=129.28739959; southlimit=-27.64536113; eastlimit=153.89677459; northlimit=-9.05954354; 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 IN2021_T01 EM122 downloaded on 22-06-2021 was collected on voyage in2021_t01 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=elevation&rft_subject=Ship: Investigator (RV)&rft_subject=Marine National Facility&rft_subject=Research Transit: IN2021_T01&rft_subject=Earth Science | Oceans | Bathymetry/Seafloor Topography&rft_subject=Earth Science | Oceans | Ocean Acoustics | Acoustic Reflectivity&rft_subject=Marine Features (Australia) | Gulf of Carpentaria, NT/QLD&rft_subject=Marine Features (Australia) | Great Barrier Reef, QLD&rft_subject=Coastal Waters (Australia) | Queensland Coast, QLD&rft_subject=Regional Seas | Coral Sea&rft_subject=Coastal Waters (Australia) | Northern Territory Coast, NT&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 IN2021_T01 EM122 downloaded on 22-06-2021 was collected on voyage in2021_t01 by the Marine National Facility.

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This record describes multibeam echosounder data collected on RV Investigator voyage IN2021_T01, Brisbane to Darwin Transit which departed Brisbane (QLD) on the 11 Jun and returned to Darwin (NT) on the 22 Jun 2021. The Kongsberg EM122 multibeam echosounder was used to acquire seafloor bathymetry and backscatter information along the deep water leg of the transit up the East Coast of QLD. 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 164 files totalling 12.1 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. EGM2008 geoid separation model was applied to the processed data set. 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 QPS Qimera version 2.4.1

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153.89677,-9.05954 153.89677,-27.64536 129.2874,-27.64536 129.2874,-9.05954 153.89677,-9.05954

141.59208709,-18.352452335

text: westlimit=129.28739959; southlimit=-27.64536113; eastlimit=153.89677459; northlimit=-9.05954354; projection=WGS 84 (EPSG:4326)

Subjects
Coastal Waters (Australia) | Northern Territory Coast, NT | Coastal Waters (Australia) | Queensland Coast, QLD | Density of the water body | Earth Science | Oceans | Bathymetry/Seafloor Topography | Earth Science | Oceans | Ocean Acoustics | Acoustic Reflectivity | Marine Features (Australia) | Great Barrier Reef, QLD | Marine Features (Australia) | Gulf of Carpentaria, NT/QLD | Marine National Facility | Multibeam Echosounder - EM122 | Regional Seas | Coral Sea | Research Transit: IN2021_T01 | Sea-floor depth below surface of the water body | Sea-floor surface hardness | Ship: Investigator (RV) | elevation | 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 : 80ec3863-b7bb-4958-a268-40839517b3b0
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