Data

RV Investigator Voyage IN2021_V02 SBP120 Sub-bottom Profiler Data

Australian Ocean Data Network
CSIRO O&A, Information & Data Centre (Point of contact) Lenton, Andrew (Associated with) Lynch, Tim (Associated with) Matear, Richard (Associated with) Navidad, Cisco (Point of contact)
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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/682f9d2a-3d0c-4717-8be7-2e99880e3282&rft.title=RV Investigator Voyage IN2021_V02 SBP120 Sub-bottom Profiler Data&rft.identifier=f19ae5e8-aac1-441a-821b-d3d69fb92212&rft.publisher=Australian Ocean Data Network&rft.description=This record describes sub bottom profiler data collected on RV Investigator voyage IN2021_V02 (SOTS: Southern Ocean Time Series automated moorings for climate and carbon cycle studies southwest of Tasmania), which departed Hobart on the 14th April 2021 and returned to Hobart on the 28th April 2021. The Kongsberg SBP120 (sub bottom profiler) was used to acquire data containing the specular reflections at different sediment interfaces below the seafloor. The SBP120 provides a 3° by 3° angular resolution. The echosounder's frequency sweep range is from 2.5 to 7 kHz. The SBP120 was logged sporadically for the extent of the voyage (i.e. during transits). Data are stored in *.raw (1190 files 4.50 GB) raw and *.seg (1190 files 4.48 GB) segy formats at CSIRO. The segy format data had a real time processing stream applied, which applies gain, a gain correction, matched filter with replica shaping (for depths > 200 m), and time variable gain. No attribute calculation for instantaneous amplitude was applied. Additional information regarding this dataset is contained in the GSM data acquisition and processing report. Additional data products may be available on requestMaintenance and Update Frequency: asNeededStatement: Original field data.&rft.creator=Vandenbossche, Phil&rft.date=2021&rft.coverage=westlimit=140.5; southlimit=-48; eastlimit=147.65; northlimit=-43; projection=WGS 84 (EPSG:4326)&rft.coverage=westlimit=140.5; southlimit=-48; eastlimit=147.65; northlimit=-43; 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: We acknowledge the use of the CSIRO Marine National Facility, grid.473585.8 in undertaking this research. The dataset SBP120 Sub-bottom Profiler downloaded on [Insert-DD-Mmm-YYYY-here] was collected on voyage IN2021_V02 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: IN2021_V02&rft_subject=MARINE SEDIMENTS&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=Global / Oceans | Southern Ocean&rft_subject=Sub-bottom Profiler - SBP120&rft_subject=Sub-bottom structure&rft_subject=research vessel&rft_subject=2000 Hz top-bandwidth sub-bottom penetrator and mud profiler systems&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: We acknowledge the use of the CSIRO Marine National Facility, grid.473585.8 in undertaking this research. The dataset SBP120 Sub-bottom Profiler downloaded on [Insert-DD-Mmm-YYYY-here] was collected on voyage IN2021_V02 by the Marine National Facility.

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Brief description

This record describes sub bottom profiler data collected on RV Investigator voyage IN2021_V02 (SOTS: Southern Ocean Time Series automated moorings for climate and carbon cycle studies southwest of Tasmania), which departed Hobart on the 14th April 2021 and returned to Hobart on the 28th April 2021.

The Kongsberg SBP120 (sub bottom profiler) was used to acquire data containing the specular reflections at different sediment interfaces below the seafloor. The SBP120 provides a 3° by 3° angular resolution.

The echosounder's frequency sweep range is from 2.5 to 7 kHz. The SBP120 was logged sporadically for the extent of the voyage (i.e. during transits).

Data are stored in *.raw (1190 files 4.50 GB) raw and *.seg (1190 files 4.48 GB) segy formats at CSIRO.

The segy format data had a real time processing stream applied, which applies gain, a gain correction, matched filter with replica shaping (for depths > 200 m), and time variable gain. No attribute calculation for instantaneous amplitude was applied.

Additional information regarding this dataset 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.

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147.65,-43 147.65,-48 140.5,-48 140.5,-43 147.65,-43

144.075,-45.5

text: westlimit=140.5; southlimit=-48; eastlimit=147.65; northlimit=-43; projection=WGS 84 (EPSG:4326)

Subjects
2000 Hz top-bandwidth sub-bottom penetrator and mud profiler systems | Coastal Waters (Australia) | Tasmania Coast, TAS | EARTH SCIENCE | Global / Oceans | Southern Ocean | Marine Sediments | Marine Features (Australia) | Derwent Estuary, TAS | Marine National Facility | OCEANS | Research Voyage: IN2021_V02 | Ship: Investigator (RV) | Sub-bottom Profiler - SBP120 | Sub-bottom structure | geoscientificInformation | 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 : f19ae5e8-aac1-441a-821b-d3d69fb92212
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