Data

HMAS Canberra bathymetry survey 2020

Geoscience Australia
Ierodiaconou, D. ; Young, 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://ecat.ga.gov.au/geonetwork/dashboard/eng/catalog.search#/metadata/110d2459-99ca-40cd-a6ce-c06a482b677e&rft.title=HMAS Canberra bathymetry survey 2020&rft.identifier=https://pid.geoscience.gov.au/dataset/ga/146392&rft.publisher=Commonwealth of Australia (Geoscience Australia)&rft.description=This resource includes bathymetry data acquired during the HMAS Canberra bathymetry survey (GA-4880). Data was acquired by Deakin University on the 3rd of November 2020 onboard the M/V Yolla using a Kongsberg EM2040c sonar system. The objective of this survey was to map the HMAS Canberra wreck. The HMAS Canberra wreck is in Bass Strait between Port Lonsdale and Barwon Heads, Victoria, Australia.This dataset contains a 0.5 m resolution 32-bit geotiff of the HMAS Canberra shipwreck survey area produced from the processed EM2040c bathymetry data of the survey area using CARIS HIPS and SIPS software.This dataset is not to be used for navigational purposes. This dataset is published with the permission of the CEO, Geoscience Australia.Maintenance and Update Frequency: asNeededStatement: While AusSeabed aims to publish data to the level of adherence based on the requirements stated in the AusSeabed multibeam guidelines (version 1), we will also publish interim products (version 0) that are currently available, but have not yet been standardised (version 1). Users should be aware that V1 products will always supersede V0 products. The data were processed using CARIS 11.3 and the following processing steps were performed. 1. Import into CARIS 2. Post-process POS MV data in POSPAC 8.5 3. Apply SBETS to data in CARIS 4. Georeferenced bathymetry and computed TPU 5. Generated a CUBE surface and filted by the CUBE surface 6. Manually removed any erroneous soundings that were not eliminated using CUBE (e.g., dense sounding clouds around sonar head due to bubbles) 7. At Geoscience Australia, the received geotiff was shifted to EGM2008 using CARIS HIPS and SIPS. 8. The final processed grid was exported as a 32-bit floating point Geotiff at 0.5 m resolution, referenced to EGM2008.&rft.creator=Ierodiaconou, D. &rft.creator=Young, M. &rft.date=2020&rft.coverage=westlimit=285660.75; southlimit=5757830.75; eastlimit=2844937.25; northlimit=5758302.75&rft.coverage=westlimit=285660.75; southlimit=5757830.75; eastlimit=2844937.25; northlimit=5758302.75&rft_rights=Creative Commons Attribution 4.0 International Licence http://creativecommons.org/licenses/&rft_rights=Australian Government Security ClassificationSystem https://www.protectivesecurity.gov.au/Pages/default.aspx&rft_subject=geoscientificInformation&rft_subject=EARTH SCIENCES&rft_subject=HVC_144641&rft_subject=Marine&rft_subject=Bathymetry&rft_subject=Multibeam&rft_subject=Bathymetric grids&rft_subject=AusSeabed&rft_subject=Published_External&rft.type=dataset&rft.language=English Access the data
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Australian Government Security ClassificationSystem
https://www.protectivesecurity.gov.au/Pages/default.aspx

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Full description

This resource includes bathymetry data acquired during the HMAS Canberra bathymetry survey (GA-4880). Data was acquired by Deakin University on the 3rd of November 2020 onboard the M/V Yolla using a Kongsberg EM2040c sonar system.

The objective of this survey was to map the HMAS Canberra wreck. The HMAS Canberra wreck is in Bass Strait between Port Lonsdale and Barwon Heads, Victoria, Australia.

This dataset contains a 0.5 m resolution 32-bit geotiff of the HMAS Canberra shipwreck survey area produced from the processed EM2040c bathymetry data of the survey area using CARIS HIPS and SIPS software.

This dataset is not to be used for navigational purposes.

This dataset is published with the permission of the CEO, Geoscience Australia.

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Maintenance and Update Frequency: asNeeded
Statement: While AusSeabed aims to publish data to the level of adherence based on the requirements stated in the AusSeabed multibeam guidelines (version 1), we will also publish interim products (version 0) that are currently available, but have not yet been standardised (version 1). Users should be aware that V1 products will always supersede V0 products. The data were processed using CARIS 11.3 and the following processing steps were performed. 1. Import into CARIS 2. Post-process POS MV data in POSPAC 8.5 3. Apply SBETS to data in CARIS 4. Georeferenced bathymetry and computed TPU 5. Generated a CUBE surface and filted by the CUBE surface 6. Manually removed any erroneous soundings that were not eliminated using CUBE (e.g., dense sounding clouds around sonar head due to bubbles) 7. At Geoscience Australia, the received geotiff was shifted to EGM2008 using CARIS HIPS and SIPS. 8. The final processed grid was exported as a 32-bit floating point Geotiff at 0.5 m resolution, referenced to EGM2008.

Notes

Purpose
bathymetry survey

Data time period: 2020-11-03 to 2020-11-03

This dataset is part of a larger collection

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Spatial Coverage And Location

text: westlimit=285660.75; southlimit=5757830.75; eastlimit=2844937.25; northlimit=5758302.75

Subjects
AusSeabed | Bathymetric grids | Bathymetry | EARTH SCIENCES | HVC_144641 | Marine | Multibeam | Published_External | geoscientificInformation |

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Other Information
HMAS Canberra Bathymetry 2020 0.5m (zip) [703.7 KB]

url : https://files.ausseabed.gov.au/survey/HMAS%20Canberra%20Bathymetry%202020%200.5m.zip

Identifiers
ACN 633 798 857