Product catalogue
AusBathyTopo (Australia) 250m 2023 - A regional-scale depth model (20230004C)
<b>This record was superseded on 5/12/2024 with approval from the Director, National Seabed Mapping as it has been superseded by eCat 150050</b>
The AusBathyTopo 250m (Australia) 2023 Grid is a high-resolution depth model for Australia that replaces the Australian Bathymetry and Topography Grid, June 2009.
This publication is the result of a collaborative partnership between Geoscience Australia, the Australian Hydrographic Office, James Cook University, and the University of Sydney. It has been compiled using 1582 unique data sources from multibeam echosounders, single-beam echosounders, LiDAR, 3D seismic first returns, Electronic Navigation Charts and satellite derived bathymetry alongside higher-resolution regional compilations. In particular, the map incorporates new innovations such as the use of earth observation data (satellite based) produced by Digital Earth Australia to improve shallow coastal depth modelling to present a seamless transition between land and sea. All source bathymetry data were extensively edited as 3D point clouds to remove noise, given a consistent WGS84 horizontal datum, and where possible, an approximate MSL vertical datum. This new continental-scale grid represents decades of data collection, analysis, investment and collaboration from Australia’s seabed mapping community and is a significant improvement on the 2009 compilation.
The data extends across a vast area from 92°E to 172° E and 8°S to 60° S. This includes areas adjacent to the Australian continent and Tasmania, and surrounding Macquarie Island and the Australian Territories of Norfolk Island, Christmas Island, and Cocos (Keeling) Islands. Australia's marine jurisdiction offshore from the territory of Heard and McDonald Islands and the Australian Antarctic Territory are not included.
We acknowledge the use of the CSIRO Marine National Facility ( https://ror.org/01mae9353 ) in undertaking this research. The datasets used were collected by the Marine National Facility on 43 voyages (see Lineage for identification).
This dataset is not to be used for navigational purposes.
Simple
Identification info
- Date (Creation)
- 2023-08-30
- Date (Publication)
- 2023-06-19
- Citation identifier
- Geoscience Australia Persistent Identifier/https://pid.geoscience.gov.au/dataset/ga/148758
- Citation identifier
- Digital Object Identifier/https://doi.org/10.26186/148758
- Cited responsible party
-
Role Organisation / Individual Name Details Publisher Commonwealth of Australia (Geoscience Australia)
Voice Author Beaman, R.
External Contact Principal investigator Beaman, R.
External Contact
- Purpose
-
This project aimed to develop a new national-scale high-resolution digital elevation model (DEM) for the Australian region at a grid pixel resolution of 0.0025-arc degree (about 250 m). A high-resolution DEM is a critical spatial dataset used to assist policy making, such as informing depth information for wind farm development. In addition, a new grid is required to improve the geomorphic detail about the location and spatial extent of seabed features for the Australian shelf and adjacent continental slopes. The new grid utilised the latest data sourced from ship-based multibeam and singlebeam echo sounder surveys, ENC tile spot depths, airborne LiDAR bathymetry surveys, satellite derived bathymetry data, coastline and near surface feature data.
- Status
- Superseded
- Point of contact
-
Role Organisation / Individual Name Details Point of contact Commonwealth of Australia (Geoscience Australia)
Voice Owner Commonwealth of Australia (Geoscience Australia)
Voice Principal investigator Beaman, R.
External Contact Point of contact Siwabessy, J.
Internal Contact Resource provider Place and Communities Division
External Contact
- Spatial representation type
Spatial resolution
- Level of detail
-
0.0025*0.0025 arc-degree (about 250 m) grid cells
- Topic category
-
- Geoscientific information
Extent
))
Vertical element
- Minimum value
- -8565
- Maximum value
- 3989
- Reference system identifier
- EPSG/MSL depth / vertical (EPSG: 5715)
- Maintenance and update frequency
- As needed
Resource format
- Title
-
Product data repository: Various Formats
- Protocol
-
FILE:DATA-DIRECTORY
- Name of the resource
-
Data Store directory containing the digital product files
- Description
-
Data Store directory containing one or more files, possibly in a variety of formats, accessible to Geoscience Australia staff only for internal purposes
- Keywords
-
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bathymetry
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- Keywords
-
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multibeam
-
- Keywords
-
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bathymetric grids
-
- Keywords
-
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AusSeabed
-
- Keywords
-
-
HVC_146413
-
- Keywords
-
-
Oceans
-
- Keywords
-
-
Published_External
-
- Instrument
-
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Compilation
-
- Instrument
-
-
Multibeam
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- Instrument
-
-
Singlebeam
-
- Instrument
-
-
LiDAR
-
- Instrument
-
-
SeisDB
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- Instrument
-
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Satellite-derived Bathymetry
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- Instrument
-
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Chart-derived
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- theme.ANZRC Fields of Research.rdf
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EARTH SCIENCES
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- Sub-Topic Category
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Continental Shelf
-
- Keywords
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DEM
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- Keywords
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SRTM
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- Keywords
-
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Lidar Bathymetry
-
- GCMD Keywords
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Earth Science | Oceans | Bathymetry/Seafloor Topography | Bathymetry
-
- Keywords
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Marine
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Resource constraints
- Addressee
-
Role Organisation / Individual Name Details User Any
- Use constraints
- License
- Use constraints
- Other restrictions
- Other constraints
-
© Commonwealth of Australia (Geoscience Australia) 2023
Resource constraints
- Title
-
Australian Government Security Classification System
- Edition date
- 2018-11-01T00:00:00
- Classification
- Unclassified
- Classification system
-
Australian Government Security Classification System
Associated resource
- Association Type
- Generated
- Title
-
Australia's Seabed Map 2023
- Citation identifier
- 148890
- Citation identifier
- ff3fd92a-3f36-435b-b440-c96efa9fdf2c
Associated resource
- Association Type
- Cross reference
- Title
-
Australian Bathymetry and Topography Grid, June 2009
- Citation identifier
- 67703
- Citation identifier
- a05f7892-fae9-7506-e044-00144fdd4fa6
Associated resource
- Association Type
- Cross reference
- Title
-
AusBathyTopo (Australia) 250m 2024 - A national-scale depth model (20240011C)
- Citation identifier
- 150050
- Citation identifier
- 880dbb6c-411d-487e-bfe0-40ef167afbeb
- Language
- English
- Character encoding
- UTF8
Distribution Information
- Distributor contact
-
Role Organisation / Individual Name Details Distributor Commonwealth of Australia (Geoscience Australia)
Voice facsimile
- OnLine resource
-
Australian Bathymetry and Topography 2023 250m (zip) [2.6 GB]
Australian Bathymetry and Topography 2023 250m (zip) [2.6 GB]
- Distribution format
-
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zip
- File decompression technique
-
unzip
-
- OnLine resource
-
Related Record: Australia's Seabed Map 2023
Related Record: Australia's Seabed Map 2023
- Distribution format
-
- OnLine resource
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Supersedes eCat 67703
Supersedes eCat 67703
- Distribution format
-
- OnLine resource
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Superseded by eCat 150050
Superseded by eCat 150050
- Distribution format
-
Resource lineage
- Statement
-
<div>This dataset is a high-resolution depth model for Australia that replaces the previous grid, June 2009. It has been compiled from a wide range of data sources of varying resolution and accuracy. All source bathymetry data were extensively edited as 3D point clouds to remove noise, given a consistent WGS84 horizontal datum, and where possible, an approximate MSL vertical datum before being decimated, concatenated and then merged with SRTM land grid to create the final product. Please see the Processing_scheme_aus250.jpg in the download section for more information on methodology.</div><div><br></div><div>AUSTRALIAN HYDROGRAPHIC OFFICE NOTICE: Not to be used for navigation. This aus250 DEM product incorporates source bathymetry data reproduced under licence by permission of the Australian Hydrographic Office © Commonwealth of Australia 2009-2023.</div><div><br></div><div>GEOSCIENCE AUSTRALIA NOTICE: This aus250 DEM product incorporates data which are © Commonwealth of Australia (Geoscience Australia). The Commonwealth gives no warranty regarding the data's accuracy, completeness, currency or suitability for any particular purpose.</div><div><br></div>
CSIRO ACKNOWLEDGEMENT:
We acknowledge the use of the CSIRO Marine National Facility ( https://ror.org/01mae9353 ) in undertaking this research. The datasets used were collected by the Marine National Facility on the following 43 voyages:
<br>• Bioview;
<br>• IN2015_C01; IN2015_T01; IN2015_T02; IN2016_E02; IN2016_T02; IN2016_T02; IN2016_V06; IN2016_V06; IN2017_C01; IN2017_T01; IN2017_T01; IN2017_V03; IN2017_V03; IN2018_T01; IN2018_V03; IN2018_V04; IN2019_E01; IN2019_E01; IN2019_T02; IN2019_T02; IN2019_V04; IN2019_V04; IN2019_V05; IN2021_T01; IN2021_T01; IN2022_T01; IN2022_T01;
<br>• SS032010; SS052007; SS052012; SS062008; SS2007_T04; SS2007_T06; SS2008_T02; SS2008_V09; SS2009_T02; SS2012_T01; SS2012_V01; SS2013_T04
<br>• SST062012;
<br>• TM2012_V01; TM2014_V01
<div><br></div><div>Please see the Datasources_aus240_DEM_V1_public.csv sheet in the downloads section for more information on contributing surveys noting that much of the data for this project came from the AHO and will not be individually identified.</div><div><br></div><div>Going forward it is intended that this resource will be updated intermittently when resources allow and as new foundational data becomes available.</div>
Reference System Information
- Reference system identifier
- EPSG/WGS 84 / geographic 2D (EPSG: 4326)
Metadata constraints
- Title
-
Australian Government Security Classification System
- Edition date
- 2018-11-01T00:00:00
- Classification
- Unclassified
Metadata
- Metadata identifier
-
urn:uuid/00648206-505c-4858-8b9d-c2324cc2c7ba
- Title
-
GeoNetwork UUID
- Language
- English
- Character encoding
- UTF8
- Contact
-
Role Organisation / Individual Name Details Point of contact Commonwealth of Australia (Geoscience Australia)
Voice Point of contact Siwabessy, J.
Internal Contact
Type of resource
- Resource scope
- Dataset
Alternative metadata reference
- Title
-
Geoscience Australia - short identifier for metadata record with
uuid
- Citation identifier
- eCatId/148758
- Date info (Creation)
- 2023-09-20T05:25:47
- Date info (Revision)
- 2023-09-20T05:25:47
Metadata standard
- Title
-
AU/NZS ISO 19115-1:2014
Metadata standard
- Title
-
ISO 19115-1:2014
Metadata standard
- Title
-
ISO 19115-3
- Title
-
Geoscience Australia Community Metadata Profile of ISO 19115-1:2014
- Edition
-
Version 2.0, September 2018
- Citation identifier
- http://pid.geoscience.gov.au/dataset/ga/122551