Data

50m Multibeam Dataset of Australia 2018

Geoscience Australia
Parums, R. ; Spinoccia, 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/124063&rft.title=50m Multibeam Dataset of Australia 2018&rft.identifier=https://pid.geoscience.gov.au/dataset/ga/124063&rft.description=This dataset contains all multibeam bathymetry data held by Geoscience Australia as of June 2018. It was compiled from data holdings lying within the offshore area of Australia, including international waters, and gridded at 50m. Source information can be found in the associated vector product, AusSeabed Bathymetry Holdings (https://pid.geoscience.gov.au/dataset/ga/116321). This dataset is accessible via clip, zip & ship enabled web mapping service on Geoscience Australia’s Marine data portal, http://marine.ga.gov.au. In future, this product will be delivered dynamically through the AusSeabed portal (in development).This dataset is not to be used for navigational purposes.Maintenance and Update Frequency: periodicStatement: This dataset was created using MBSystem freeware. Pings were extracted to XYZ format from Caris-processed multibeam survey files, gridding each ping into 50m cells for each of the 81 tiles, combined to form the final product. Prior to gridding, data had a despiking filter applied, with a variable data floor imposed to better eliminate outlying spikes. Overlapping data values were averaged during this process, and there has been no interpolation applied in areas of no data. Data may have varying accuracy in shallow water areas. Data is supplied in WGS84 decimal degrees, with depth as positive integer. NOTE: As much of these data have been sourced from various external institutions, there is no guarantee that they are complete, without artifacts, or have been fully or adequately processed. This should be borne in mind when interpreting the data. Not for navigation purposes.&rft.creator=Parums, R. &rft.creator=Spinoccia, M. &rft.date=2018&rft.coverage=westlimit=90.00; southlimit=-60.00; eastlimit=173.00; northlimit=-8.00; projection=WGS84 (CRS:84)&rft.coverage=westlimit=90.00; southlimit=-60.00; eastlimit=173.00; northlimit=-8.00; projection=WGS84 (CRS:84)&rft.coverage=uplimit=-6000; downlimit=0; projection=MSL&rft.coverage=uplimit=-6000; downlimit=0; projection=MSL&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=HVC_146413&rft_subject=marine&rft_subject=bathymetry&rft_subject=multibeam&rft_subject=depth&rft_subject=AusSeabed&rft_subject=Published_External&rft.type=dataset&rft.language=English Access the data
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CC-BY

Creative Commons Attribution 4.0 International Licence
http://creativecommons.org/licenses/by/4.0

Creative Commons Attribution 4.0 International Licence

CC-BY

4.0

http://creativecommons.org/licenses/

WWW:LINK-1.0-http--link

Australian Government Security ClassificationSystem

https://www.protectivesecurity.gov.au/Pages/default.aspx

WWW:LINK-1.0-http--link

Access:

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Contact Information



Brief description

This dataset contains all multibeam bathymetry data held by Geoscience Australia as of June 2018. It was compiled from data holdings lying within the offshore area of Australia, including international waters, and gridded at 50m. Source information can be found in the associated vector product, AusSeabed Bathymetry Holdings (https://pid.geoscience.gov.au/dataset/ga/116321). This dataset is accessible via clip, zip & ship enabled web mapping service on Geoscience Australia’s Marine data portal, http://marine.ga.gov.au. In future, this product will be delivered dynamically through the AusSeabed portal (in development).

This dataset is not to be used for navigational purposes.

Lineage

Maintenance and Update Frequency: periodic
Statement: This dataset was created using MBSystem freeware. Pings were extracted to XYZ format from Caris-processed multibeam survey files, gridding each ping into 50m cells for each of the 81 tiles, combined to form the final product. Prior to gridding, data had a despiking filter applied, with a variable data floor imposed to better eliminate outlying spikes. Overlapping data values were averaged during this process, and there has been no interpolation applied in areas of no data. Data may have varying accuracy in shallow water areas. Data is supplied in WGS84 decimal degrees, with depth as positive integer. NOTE: As much of these data have been sourced from various external institutions, there is no guarantee that they are complete, without artifacts, or have been fully or adequately processed. This should be borne in mind when interpreting the data. Not for navigation purposes.

Created: 16 11 2018

Issued: 22 01 2019

Data time period: 1989-01-01 to 2018-06-30

This dataset is part of a larger collection

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173,-8 173,-60 90,-60 90,-8 173,-8

131.5,-34

text: westlimit=90.00; southlimit=-60.00; eastlimit=173.00; northlimit=-8.00; projection=WGS84 (CRS:84)

text: uplimit=-6000; downlimit=0; projection=MSL

Subjects
AusSeabed | HVC_146413 | Published_External | bathymetry | depth | geoscientificInformation | marine | multibeam |

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Other Information
Explore and download the data via Ausseabed Marine Data Portal

uri : https://portal.ga.gov.au/persona/marine

Dataset Disclaimer/Artefacts (pdf)

uri : https://d28rz98at9flks.cloudfront.net/124063/Multibeam_Disclaimer_Artefacts.pdf

Download the data [9.9 GB]

uri : https://d28rz98at9flks.cloudfront.net/124063/124063_00_0.zip

Multibeam Bathymetry of Australia 2018 50m (zip) [5.6 GB]

uri : https://files.ausseabed.gov.au/survey/Multibeam%20Bathymetry%20of%20Australia%202018%2050m.zip

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