Data

Helens Rock Bathymetry 2013 (4888/20130019S)

Geoscience Australia
Ierodiaconou, D.
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=info:doi10.26186/150623&rft.title=Helens Rock Bathymetry 2013 (4888/20130019S)&rft.identifier=10.26186/150623&rft.publisher=Commonwealth of Australia (Geoscience Australia)&rft.description=The Helen's Rocky bathymetry survey was acquired by Deakin University Marine Mapping lab onboard the Motor Vessel Yolla over one day in 2013 (27/11) using a Kongsberg EM2040c.Not to be used for navigational purposesMaintenance and Update Frequency: asNeededStatement: The Helen's Rocky bathymetry survey was acquired by Deakin University Marine Mapping lab onboard the M/V Yolla over one day in 2013 (27/11) using a Kongsberg EM2040c. The data were origninally processed using CARIS 8.1 and updated to CARIS 11.3 to update the processing procedures with the following being performed. 1. Import into CARIS 2. Post-process POS MV data in POSPAC 8.6 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)&rft.creator=Ierodiaconou, D. &rft.date=2026&rft.coverage=westlimit=142.3601; southlimit=-38.3698; eastlimit=142.3787; northlimit=-38.3541; projection=32754&rft.coverage=westlimit=142.3601; southlimit=-38.3698; eastlimit=142.3787; northlimit=-38.3541; projection=32754&rft.coverage=uplimit=-5; downlimit=-28.4; projection=3855&rft.coverage=uplimit=-5; downlimit=-28.4; projection=3855&rft_rights=Creative Commons - Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/&rft_rights=(c) Deakin University 2025&rft_rights=Australian Government Security Classification System https://www.protectivesecurity.gov.au/publications-library/policy-8-classification-system&rft_subject=geoscientificInformation&rft_subject=AusSeabed&rft_subject=Resourcing Australia's Prosperity&rft_subject=Australia-wide geoscience data&rft_subject=Offshore Mapping&rft_subject=Marine&rft_subject=Bathymetry&rft_subject=MV Yolla&rft_subject=multi-beam echosounders&rft_subject=Bass Strait (Great Australian Bight)&rft_subject=EARTH SCIENCES&rft_subject=Published_External&rft.type=dataset&rft.language=English Access the data
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Creative Commons - Attribution 4.0 International
https://creativecommons.org/licenses/by/4.0/

(c) Deakin University 2025

Australian Government Security Classification System
https://www.protectivesecurity.gov.au/publications-library/policy-8-classification-system

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Full description

The Helen's Rocky bathymetry survey was acquired by Deakin University Marine Mapping lab onboard the Motor Vessel Yolla over one day in 2013 (27/11) using a Kongsberg EM2040c.

Not to be used for navigational purposes

Lineage

Maintenance and Update Frequency: asNeeded
Statement: The Helen's Rocky bathymetry survey was acquired by Deakin University Marine Mapping lab onboard the M/V Yolla over one day in 2013 (27/11) using a Kongsberg EM2040c. The data were origninally processed using CARIS 8.1 and updated to CARIS 11.3 to update the processing procedures with the following being performed. 1. Import into CARIS 2. Post-process POS MV data in POSPAC 8.6 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)

Notes

Purpose
To derive seabed information for the purpose of supporting the sustainable use of our marine environment and jurisdiction; strengthening our resilience to natural hazards and enabling location-based decisions and actions through best practice digital mapping, Earth observations and precise positioning.

Modified: 28 11 2025

Data time period: 2013-11-26 to 2013-11-26

This dataset is part of a larger collection

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142.3787,-38.3541 142.3787,-38.3698 142.3601,-38.3698 142.3601,-38.3541 142.3787,-38.3541

142.3694,-38.36195

text: westlimit=142.3601; southlimit=-38.3698; eastlimit=142.3787; northlimit=-38.3541; projection=32754

text: uplimit=-5; downlimit=-28.4; projection=3855

Subjects
AusSeabed | Australia-wide geoscience data | Bass Strait (Great Australian Bight) | Bathymetry | EARTH SCIENCES | MV Yolla | Marine | Offshore Mapping | Published_External | Resourcing Australia's Prosperity | geoscientificInformation | multi-beam echosounders |

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Other Information
Helens Rock Bathymetry 2013 (4888/20130019S) [3.7 MB]

url : https://files.ausseabed.gov.au/survey/20130019S-HelensRock.zip

Identifiers
ACN 633 798 857