Data

Seabed Environments of the Eastern Joseph Bonaparte Gulf, Northern Australia

Australian Ocean Data Network
Anderson, T.J. ; Nichol, S. ; Radke, L. ; Heap, A.D. ; Battershill, C. ; Hughes, M. ; Siwabessy, J. ; Barrie, V. ; Alvarez de Glasby, B. ; Daniell, J. ; Tran, M.
Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]
ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://pid.geoscience.gov.au/dataset/ga/71325&rft.title=Seabed Environments of the Eastern Joseph Bonaparte Gulf, Northern Australia&rft.identifier=https://pid.geoscience.gov.au/dataset/ga/71325&rft.publisher=Geoscience Australia&rft.description=A seabed mapping survey over a series of carbonate banks, intervening channels and surrounding sediment plains on the Van Diemen Rise in the eastern Joseph Bonaparte Gulf was completed under a Memorandum of Understanding between Geoscience Australia and the Australian Institute of Marine Sciences. The survey obtained detailed geological (sedimentological, geochemical, geophysical) and biological data (macro-benthic and infaunal diversity, community structure) for the banks, channels and plains to establish the late-Quaternary evolution of the region and investigate relationships between the physical environment and associated biota for biodiversity prediction. The survey also permits the biodiversity of benthos of the Van Diemen Rise to be put into a biogeographic context of the Arafura-Timor Sea and wider northern Australian marine region. Four study areas were investigated across the outer to inner shelf. Multibeam sonar data provide 100 per cent coverage of the seabed for each study area and are supplemented with geological and biological samples collected from 63 stations. In a novel approach, geochemical data collected at the stations provide an assessment of sediment and water quality for surrogacy research. Oceanographic data collected at four stations on the Van Diemen Rise will provide an understanding of the wave, tide and ocean currents as well as insights into sediment transport. A total of 1,154 square kilometres of multibeam sonar data and 340 line-km of shallow (Maintenance and Update Frequency: unknownStatement: Unknown&rft.creator=Anderson, T.J. &rft.creator=Nichol, S. &rft.creator=Radke, L. &rft.creator=Heap, A.D. &rft.creator=Battershill, C. &rft.creator=Hughes, M. &rft.creator=Siwabessy, J. &rft.creator=Barrie, V. &rft.creator=Alvarez de Glasby, B. &rft.creator=Daniell, J. &rft.creator=Tran, M. &rft.date=2011&rft.coverage=westlimit=129.4526; southlimit=-12.4183; eastlimit=130.0773; northlimit=-10.2875&rft.coverage=westlimit=129.4526; southlimit=-12.4183; eastlimit=130.0773; northlimit=-10.2875&rft_rights=&rft_rights=Creative Commons Attribution 4.0 International Licence&rft_rights=CC-BY&rft_rights=4.0&rft_rights=http://creativecommons.org/licenses/&rft_rights=WWW:LINK-1.0-http--link&rft_rights=Australian Government Security ClassificationSystem&rft_rights=https://www.protectivesecurity.gov.au/Pages/default.aspx&rft_rights=WWW:LINK-1.0-http--link&rft_rights=Creative Commons Attribution 4.0 International Licence http://creativecommons.org/licenses/by/4.0&rft_subject=geoscientificInformation&rft_subject=GA Publication&rft_subject=Record&rft_subject=bathymetry&rft_subject=environmental&rft_subject=marine biodiversity&rft_subject=marine survey&rft_subject=seabed&rft_subject=GIS&rft_subject=backscatter&rft_subject=marine&rft_subject=AU-WA&rft_subject=EARTH SCIENCES&rft_subject=Published_External&rft.type=dataset&rft.language=English Access the data
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Contact Information

clientservices@ga.gov.au

Brief description

A seabed mapping survey over a series of carbonate banks, intervening channels and surrounding sediment plains on the Van Diemen Rise in the eastern Joseph Bonaparte Gulf was completed under a Memorandum of Understanding between Geoscience Australia and the Australian Institute of Marine Sciences. The survey obtained detailed geological (sedimentological, geochemical, geophysical) and biological data (macro-benthic and infaunal diversity, community structure) for the banks, channels and plains to establish the late-Quaternary evolution of the region and investigate relationships between the physical environment and associated biota for biodiversity prediction. The survey also permits the biodiversity of benthos of the Van Diemen Rise to be put into a biogeographic context of the Arafura-Timor Sea and wider northern Australian marine region. Four study areas were investigated across the outer to inner shelf. Multibeam sonar data provide 100 per cent coverage of the seabed for each study area and are supplemented with geological and biological samples collected from 63 stations. In a novel approach, geochemical data collected at the stations provide an assessment of sediment and water quality for surrogacy research. Oceanographic data collected at four stations on the Van Diemen Rise will provide an understanding of the wave, tide and ocean currents as well as insights into sediment transport. A total of 1,154 square kilometres of multibeam sonar data and 340 line-km of shallow (<100 mbsf) sub-bottom profiles were collected.

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Maintenance and Update Frequency: unknown
Statement: Unknown

Issued: 2011

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130.0773,-10.2875 130.0773,-12.4183 129.4526,-12.4183 129.4526,-10.2875 130.0773,-10.2875

129.76495,-11.3529

text: westlimit=129.4526; southlimit=-12.4183; eastlimit=130.0773; northlimit=-10.2875

Subjects
AU-WA | Earth Sciences | GA Publication | GIS | Published_External | Record | backscatter | bathymetry | environmental | geoscientificInformation | marine | marine biodiversity | marine survey | seabed |

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Download the Record (pdf)

uri : https://d28rz98at9flks.cloudfront.net/71325/Rec2011_008.pdf

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