Data

A High-resolution depth model for the North West Shelf and Outer Browse Basin (20210025C)

Geoscience Australia
Lebrec, U. ; Paumard, V. ; O’Leary, M. ; Lang, S. ; Parums, R.
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/144600&rft.title=A High-resolution depth model for the North West Shelf and Outer Browse Basin (20210025C)&rft.identifier=https://pid.geoscience.gov.au/dataset/ga/144600&rft.description=This resource contains a bathymetry compilation prepared by the University of Western Australia for the North West Shelf of Australia, between the Cape Range and the Dampier Peninsula. The compilation includes, by decreasing resolution: - Publicly available MBES datasets, made available by Geoscience Australia by December 2019. - Satellite derived bathymetry produced using 1000+ images acquired between January 2017 and December 2019. - Seismic derived bathymetry extracted from 100+ surveys acquired between 1981 and 2015. - SRTM topography, reprocessed by Galant et al, 2011: https://pid.geoscience.gov.au/dataset/ga/72759 - 2009 Australian Bathymetry and Topography grid: https://pid.geoscience.gov.au/dataset/ga/67703 The Seismic and Satellite derived bathymetry grids are also available as individual layers. The vertical and spatial accuracy of the datasets have been thoroughly assessed using high-resolution datasets including publicly available MBES and LADS surveys. The assessment indicates that the seismic derived bathymetry has a depth accuracy better than 1 m + 2% of the absolute water depths while the satellites derived bathymetry has a depth accuracy better than 1 m + 5% of the absolute water depths. A detailed methodology is provided in: Lebrec et al, 2021. Towards a regional high-resolution bathymetry of the North West Shelf of Australia based on Sentinel-2 satellite images, 3D seismic surveys and historical datasets. (in prep.) This dataset is published with the permission of the CEO, Geoscience Australia. AUTHOR’S NOTICE: This dataset should not be used, under any circumstances, for navigation. When used, the dataset should be referenced as follow: Lebrec, U., Paumard, V., O'Leary, M. J., and Lang, S. C.: Towards a regional high-resolution bathymetry of the North West Shelf of Australia based on Sentinel-2 satellite images, 3D seismic surveys and historical datasets, Earth Syst. Sci. Data Discuss. [preprint], https://doi.org/10.5194/essd-2021-128, in review, 2021.Maintenance and Update Frequency: asNeededStatement: This dataset was produced using Python 2.7 and ArcGIS 10.5 The vertical datum is MSL while the horizontal datum is WGS84 UTM-50S. For additional metadata questions, please download the Metadata.txt file and the lineage shapefile located with the dataset. Processing methodology: The detailed methodology is presented in the journal article located with the dataset&rft.creator=Lebrec, U. &rft.creator=Paumard, V. &rft.creator=O’Leary, M. &rft.creator=Lang, S. &rft.creator=Parums, R. &rft.date=2020&rft.coverage=westlimit=113.00; southlimit=-23.00; eastlimit=123.00; northlimit=-15.00; projection=WGS 84 / UTM zone 50S (EPSG:32750)&rft.coverage=westlimit=113.00; southlimit=-23.00; eastlimit=123.00; northlimit=-15.00; projection=WGS 84 / UTM zone 50S (EPSG:32750)&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=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=oceans&rft_subject=elevation&rft_subject=EARTH SCIENCES&rft_subject=HVC_144641&rft_subject=AusSeabed&rft_subject=bathymetry&rft_subject=Satellite Derived Bathymetry&rft_subject=Seismic Derived Bathymetry&rft_subject=Navigation Derived Bathymetry&rft_subject=Swath Bathymetry&rft_subject=Multibeam Echo Sounder (MBES)&rft_subject=Digital Elevation Model&rft_subject=Elevation&rft_subject=Geoscientific Information&rft_subject=Oceans&rft_subject=Compilation&rft_subject=SeisDB&rft_subject=Multibeam&rft_subject=Satellite-derived Bathymetry&rft_subject=Various&rft_subject=Sentinel-2&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

CC-BY

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Australian Government Security ClassificationSystem

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Brief description

This resource contains a bathymetry compilation prepared by the University of Western Australia for the North West Shelf of Australia, between the Cape Range and the Dampier Peninsula. The compilation includes, by decreasing resolution: - Publicly available MBES datasets, made available by Geoscience Australia by December 2019. - Satellite derived bathymetry produced using 1000+ images acquired between January 2017 and December 2019. - Seismic derived bathymetry extracted from 100+ surveys acquired between 1981 and 2015. - SRTM topography, reprocessed by Galant et al, 2011: https://pid.geoscience.gov.au/dataset/ga/72759 - 2009 Australian Bathymetry and Topography grid: https://pid.geoscience.gov.au/dataset/ga/67703 The Seismic and Satellite derived bathymetry grids are also available as individual layers. The vertical and spatial accuracy of the datasets have been thoroughly assessed using high-resolution datasets including publicly available MBES and LADS surveys. The assessment indicates that the seismic derived bathymetry has a depth accuracy better than 1 m + 2% of the absolute water depths while the satellites derived bathymetry has a depth accuracy better than 1 m + 5% of the absolute water depths. A detailed methodology is provided in: Lebrec et al, 2021. Towards a regional high-resolution bathymetry of the North West Shelf of Australia based on Sentinel-2 satellite images, 3D seismic surveys and historical datasets. (in prep.) This dataset is published with the permission of the CEO, Geoscience Australia. AUTHOR’S NOTICE: This dataset should not be used, under any circumstances, for navigation. When used, the dataset should be referenced as follow: Lebrec, U., Paumard, V., O'Leary, M. J., and Lang, S. C.: Towards a regional high-resolution bathymetry of the North West Shelf of Australia based on Sentinel-2 satellite images, 3D seismic surveys and historical datasets, Earth Syst. Sci. Data Discuss. [preprint], https://doi.org/10.5194/essd-2021-128, in review, 2021.

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Maintenance and Update Frequency: asNeeded
Statement: This dataset was produced using Python 2.7 and ArcGIS 10.5 The vertical datum is MSL while the horizontal datum is WGS84 UTM-50S. For additional metadata questions, please download the Metadata.txt file and the lineage shapefile located with the dataset. Processing methodology: The detailed methodology is presented in the journal article located with the dataset

Notes

Purpose
Client Request

Created: 01 12 2020

Issued: 02 07 2021

Data time period: 2017-01-01 to 2019-12-31

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  • Associated with This dataset was produced using Python 2.7 and ArcGIS 10.5 The vertical datum is MSL while the horizontal datum is WGS84 UTM-50S. For additional metadata questions, please download the Metadata.txt file and the lineage shapefile located with the dataset. Processing methodology: The detailed methodology is presented in the journal article located with the dataset.
    ecat.ga.gov.au/geonetwork/srv/eng/catalog.search#/metadata/144600

123,-15 123,-23 113,-23 113,-15 123,-15

118,-19

text: westlimit=113.00; southlimit=-23.00; eastlimit=123.00; northlimit=-15.00; projection=WGS 84 / UTM zone 50S (EPSG:32750)

Subjects
AusSeabed | Compilation | Digital Elevation Model | EARTH SCIENCES | Elevation | Geoscientific Information | HVC_144641 | Multibeam | Multibeam Echo Sounder (MBES) | Navigation Derived Bathymetry | Oceans | Published_External | Satellite Derived Bathymetry | Satellite-derived Bathymetry | SeisDB | Seismic Derived Bathymetry | Sentinel-2 | Swath Bathymetry | Various | bathymetry | elevation | geoscientificInformation | oceans |

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Other Information
Download the North West Shelf DEM Compilation (tif) [4 GB]

uri : https://ausseabed-public-warehouse-bathymetry.s3.ap-southeast-2.amazonaws.com/L3/1d6f5de4-84ff-4177-a90d-77997ba8d688/North_West_Shelf_DEM_v2_Bathymetry_2020_30m_MSL_cog.tif

North West Shelf Seismic Bathymetry 2020 30m (zip) [556.2 MB]

uri : https://files.ausseabed.gov.au/survey/North%20West%20Shelf%20Seismic%20Bathymetry%202020%2030m.zip

Download the North West Shelf Satellite-Derived Bathymetry Grid (tif) [1.9 GB]

uri : https://ausseabed-public-warehouse-bathymetry.s3.ap-southeast-2.amazonaws.com/L3/de34bfac-085d-4849-86c7-b805e465bce8/North_West_Shelf_Satellite_Derived_Bathymetry_2020_10m_MSL_cog.tif

Download the Satellite Image count Grid [22.5 MB]

uri : https://d28rz98at9flks.cloudfront.net/144600/144600_00_0.zip

Download the Satellite Standard deviation grid [2.1 GB]

uri : https://d28rz98at9flks.cloudfront.net/144600/144600_01_0.zip

Identifiers
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