Dataset

Backscatter grid of the Friars islets, south of Bruny Island

Australian Ocean Data Network
CSIRO Oceans and Atmosphere - Information and Data Centre (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://www.marlin.csiro.au/geonetwork/srv/en/search?uuid=bc1b3741-e7c2-5039-e044-00144f7bc0f4&rft.title=Backscatter grid of the Friars islets, south of Bruny Island&rft.identifier=http://www.marlin.csiro.au/geonetwork/srv/en/search?uuid=bc1b3741-e7c2-5039-e044-00144f7bc0f4&rft.publisher=Australian Ocean Data Network&rft.description=Geoscience Australia carried out marine surveys in southeast Tasmania in 2008 and 2009 (GA0315) to map seabed bathymetry and characterise benthic environments through observation of habitats using underwater towed video. Data was acquired using the Tasmania Aquaculture and Fisheries Institute (TAFI) Research Vessel Challenger. Bathymetric mapping was undertaken in seven survey areas, including: Freycinet Pensinula (83 sq km, east coast and shelf); Tasman Peninsula (117 sq km, east coast and shelf); Port Arthur and adjacent open coast (17 sq km); The Friars (41 sq km, south of Bruny Island); lower Huon River estuary (39 sq km); D Entrecastreaux Channel (7 sq km, at Tinderbox north of Bruny Island), and; Maria Island (3 sq km, western side). Video characterisations of the seabed concentrated on areas of bedrock reef and adjacent seabed in all mapped areas, except for D Entrecastreaux Channel and Maria Island. friars_3m is an ArcGIS layer of the backscatter grid of the Friars islets, south of Bruny Island produced from the processed EM3002 backscatter data of the survey area using the CMST-GA MB Process This dataset is a contribution to the CERF Marine Biodiversity Hub.The grid values are basically the average values of the processed backscatter point data within each grid cell of predefined size&rft.creator=Anonymous&rft.date=2010&rft_rights=This material is released under the Creative Commons Attribution 3.0 Australia Licence.&rft_subject=oceans&rft_subject=Commonwealth Environment Research Facilities&rft.type=dataset&rft.language=English Access the data

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This material is released under the Creative Commons Attribution 3.0 Australia Licence.

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Geoscience Australia carried out marine surveys in southeast Tasmania in 2008 and 2009 (GA0315) to map seabed bathymetry and characterise benthic environments through observation of habitats using underwater towed video. Data was acquired using the Tasmania Aquaculture and Fisheries Institute (TAFI) Research Vessel Challenger. Bathymetric mapping was undertaken in seven survey areas, including: Freycinet Pensinula (83 sq km, east coast and shelf); Tasman Peninsula (117 sq km, east coast and shelf); Port Arthur and adjacent open coast (17 sq km); The Friars (41 sq km, south of Bruny Island); lower Huon River estuary (39 sq km); D Entrecastreaux Channel (7 sq km, at Tinderbox north of Bruny Island), and; Maria Island (3 sq km, western side). Video characterisations of the seabed concentrated on areas of bedrock reef and adjacent seabed in all mapped areas, except for D Entrecastreaux Channel and Maria Island. friars_3m is an ArcGIS layer of the backscatter grid of the Friars islets, south of Bruny Island produced from the processed EM3002 backscatter data of the survey area using the CMST-GA MB Process This dataset is a contribution to the CERF Marine Biodiversity Hub.

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The grid values are basically the average values of the processed backscatter point data within each grid cell of predefined size
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