Data

Seafloor imagery from the Totten seafloor, East Antarctica from NPB14-02

Geoscience Australia
Commonwealth of Australia (Geoscience Australia)
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/115064&rft.title=Seafloor imagery from the Totten seafloor, East Antarctica from NPB14-02&rft.identifier=https://pid.geoscience.gov.au/dataset/ga/115064&rft.publisher=Commonwealth of Australia (Geoscience Australia)&rft.description=Research was conducted aboard the RVIB Nathaniel B Palmer during NBP14-02 (29 January – 16 March 2014) across a >3000 km2 area. A ‘yoyo’ camera, with downward facing digital still and video cameras mounted within a tubular steel frame, was deployed on a coaxial cable to image the seafloor. Still images have been analysed for seafloor habitats. The Ocean Imaging Systems DSC 10000 digital still camera (10.2 megapixel, 20 mm, Nikon D-80 Camera) was contained within a titanium housing. Camera settings were: F-8, Focus 1.9 m, ASA-400. An Ocean Imaging Systems 3831 Strobe (200 W-S) was positioned 1 m from the camera at an angle of 26o from vertical. A Model 494 Bottom Contact Switch triggered the camera and strobe at 2.5 m above the seafloor, imaging ~ 4.8 m2 of seafloor. Imagery can be viewed and downloaded from the National Computing Infrastructure (NCI) data catalogue THREDDS: https://thredds.nci.org.au/thredds/catalog/fk1/NBP14_02_Sabrina_Shelf/catalog.htmlMaintenance and Update Frequency: asNeededStatement: Research was conducted aboard the RVIB Nathaniel B Palmer during NBP14-02 (29 January – 16 March 2014) across a >3000 km2 area. A ‘yoyo’ camera, with downward facing digital still and video cameras mounted within a tubular steel frame, was deployed on a coaxial cable to image the seafloor. Still images have been analysed for seafloor habitats. The Ocean Imaging Systems DSC 10000 digital still camera (10.2 megapixel, 20 mm, Nikon D-80 Camera) was contained within a titanium housing. Camera settings were: F-8, Focus 1.9 m, ASA-400. An Ocean Imaging Systems 3831 Strobe (200 W-S) was positioned 1 m from the camera at an angle of 26o from vertical. A Model 494 Bottom Contact Switch triggered the camera and strobe at 2.5 m above the seafloor, imaging ~ 4.8 m2 of seafloor.&rft.creator=Commonwealth of Australia (Geoscience Australia) &rft.date=2017&rft.coverage=westlimit=115.00; southlimit=-67.00; eastlimit=125.00; northlimit=-66.00&rft.coverage=westlimit=115.00; southlimit=-67.00; eastlimit=125.00; northlimit=-66.00&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=(c) Commonwealth of Australia (Geoscience Australia) 2017&rft_rights=Creative Commons Attribution 4.0 International Licence http://creativecommons.org/licenses/by/4.0&rft_subject=geoscientificInformation&rft_subject=ENVIRONMENTAL SCIENCES&rft_subject=Published_External&rft.type=dataset&rft.language=English Access the data
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Creative Commons Attribution 4.0 International Licence
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Creative Commons Attribution 4.0 International Licence

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(c) Commonwealth of Australia (Geoscience Australia) 2017

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Brief description

Research was conducted aboard the RVIB Nathaniel B Palmer during NBP14-02 (29 January – 16 March 2014) across a >3000 km2 area. A ‘yoyo’ camera, with downward facing digital still and video cameras mounted within a tubular steel frame, was deployed on a coaxial cable to image the seafloor. Still images have been analysed for seafloor habitats. The Ocean Imaging Systems DSC 10000 digital still camera (10.2 megapixel, 20 mm, Nikon D-80 Camera) was contained within a titanium housing. Camera settings were: F-8, Focus 1.9 m, ASA-400. An Ocean Imaging Systems 3831 Strobe (200 W-S) was positioned 1 m from the camera at an angle of 26o from vertical. A Model 494 Bottom Contact Switch triggered the camera and strobe at 2.5 m above the seafloor, imaging ~ 4.8 m2 of seafloor. Imagery can be viewed and downloaded from the National Computing Infrastructure (NCI) data catalogue THREDDS: https://thredds.nci.org.au/thredds/catalog/fk1/NBP14_02_Sabrina_Shelf/catalog.html

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Maintenance and Update Frequency: asNeeded
Statement: Research was conducted aboard the RVIB Nathaniel B Palmer during NBP14-02 (29 January – 16 March 2014) across a >3000 km2 area. A ‘yoyo’ camera, with downward facing digital still and video cameras mounted within a tubular steel frame, was deployed on a coaxial cable to image the seafloor. Still images have been analysed for seafloor habitats. The Ocean Imaging Systems DSC 10000 digital still camera (10.2 megapixel, 20 mm, Nikon D-80 Camera) was contained within a titanium housing. Camera settings were: F-8, Focus 1.9 m, ASA-400. An Ocean Imaging Systems 3831 Strobe (200 W-S) was positioned 1 m from the camera at an angle of 26o from vertical. A Model 494 Bottom Contact Switch triggered the camera and strobe at 2.5 m above the seafloor, imaging ~ 4.8 m2 of seafloor.

Issued: 31 10 2024

Data time period: 2014-01-29 to 2014-03-16

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text: westlimit=115.00; southlimit=-67.00; eastlimit=125.00; northlimit=-66.00

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ENVIRONMENTAL SCIENCES | Published_External | geoscientificInformation |

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