Data

Bathymetry of the Australian Marine Parks

University of Tasmania, Australia
Flukes, Emma
Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]
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This compilation of bathymetry data was the first step in generating geomorphometry classifications (see https://metadata.imas.utas.edu.au/geonetwork/srv/eng/catalog.search#/metadata/40e9283b-d4ed-4176-8fe6-112b8697003f for derived geomorphometry maps). Bathymetry data was collated from AusSeabed data holdings (https://portal.ga.gov.au/persona/marine), the WA Bathymetry Portal (https://dot-wa.maps.arcgis.com/apps/webappviewer/index.html?id=d58dd77d85654783b5fc8c775953c69b), the Australian Ocean Data Network (https://portal.aodn.org.au/) and other existing public data repositories. A single multi-resolution bathymetry mosaic, and associated multi-resolution hillshade mosaic, was generated for each AMP. Data is supplied as a single Web Map Service of bathymetry on hillshade for the mapped regions. Data is available for download as (1) bathymetry, and (2) hillshade, Geotiff files for each AMP. The table below indicates the Parks included in this data package, and the percent coverage of bathymetric data for each. Parks not expressly listed below had no publicly accessible bathymetry data available from the sources listed in the 'lineage' section below. This dataset was last updated on 17/07/2024 and represents all public bathymetry data intersecting AMPs that could be located as of that date. PARK % COVERAGE Abrolhos 56% Apollo 62% Arafura 11% Argo-Rowley Terrace 34% Ashmore Reef 68% Beagle 53% Boags 31% Bremer 70% Carnarvon Canyon 82% Cartier Island 9% Central Eastern* 48% (42%) Christmas Island* 43% (41%) Cocos (Keeling) Islands* 25% (19%) Cod Grounds 97% Coral Sea* 100% (30%) Dampier 60% East Gippsland 100% Eastern Recherche 35% Eighty Mile Beach 69% Flinders 31% Franklin 51% Freycinet 58% Gascoyne 67% Geographe 25% Gifford* 100% (70%) Great Australian Bight 40% Gulf of Carpentaria 6% Heard & McDonald Islands*† 100% (0%) Hunter 90% Huon 95% Jervis 99% Jurien 18% Kimberley 13% Lord Howe* 16% (14%) Macquarie Island 46% Mermaid Reef 83% Montebello 89% Murray 47% Nelson 58% Ningaloo 55% Norfolk 42% Oceanic Shoals 22% Perth Canyon 98% Roebuck 100% Shark Bay 16% Solitary Islands 100% South Tasman Rise 78% South-west Corner 52% Tasman Fracture 99% Twilight 1% Two Rocks 32% Wessel 1% West Cape York 3% Western Eyre 25% Western Kangaroo Island 10% Zeehan 73% * indicates Digital Elevation Model (DEM) data was included in compilation. Coverage of surveyed (non-modelled) bathymetry is shown in parentheses () † has been included in analysis but is not an Australian Marine ParkMaintenance and Update Frequency: asNeededStatement: Bathymetry mosaics for each Australian Marine Park were generated by collating all available bathymetry survey data intersecting AMPs, at the highest available gridded resolution. Data was mosaiced into a single multi-resolution raster product for each AMP using the ArcMap (v 10.8.1) tool RASTER CATALOG TO RASTER DATASET (options: Mosaic Operator: FIRST; Resampling Method: BILINEAR). The MOSAIC TO NEW RASTER tool was also explored, but results were unpredictable and the use of Raster Catalogs produced repeatable outcomes. Datasets were organised in the input Raster Catalogs such that the highest priority (aka mosaiced last) was assigned to: (1) highest resolution; and (2) most recent data (where resolution was identical. This meant that, where bathymetry datasets overlapped in the mosaic, only the first (higher resolution) data was retained for each area. In cases where input data had clear artefacts or errors, these areas were clipped out, or the input Geotiff was deprioritised in the mosaic. Hillshade (z-factor = 5m, azimuth = 315°, altitude = 45°) was computed for each bathymetry dataset and mosaiced into a second multi-resolution raster product for each AMP using the process described above. This enabled preservation of the highest-resolution shading detail available for each AMP. Bathymetry and hillshade mosaics were clipped to the boundaries of AMPs. 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(2024). Bathymetry of the Australian Marine Parks. Institute for Marine and Antarctic Studies (IMAS), University of Tasmania (UTAS). Data accessed from https://metadata.imas.utas.edu.au/geonetwork/srv/eng/catalog.search#/metadata/fb451be4-9de1-4bc2-8fd6-0f285f90916f on [access date].&rft_rights=This dataset is the intellectual property of the University of Tasmania through the Institute for Marine and Antarctic Studies, but is a collaborative effort between AusSeabed (Geoscience Australia), the Australian Hydrographic Office, various universities and state and federal organisations around Australia. This dataset is not to be used for navigational purposes.&rft_rights=Creative Commons Attribution 4.0 International License http://creativecommons.org/licenses/by/4.0&rft_subject=geoscientificInformation&rft_subject=geomorphometry&rft_subject=geomorphology&rft_subject=seafloor features&rft_subject=mapping&rft_subject=seafloor morphology&rft_subject=EARTH SCIENCE | LAND SURFACE | GEOMORPHIC LANDFORMS/PROCESSES&rft_subject=Surveying (incl. Hydrographic Surveying)&rft_subject=ENGINEERING&rft_subject=GEOMATIC ENGINEERING&rft_subject=Geospatial Information Systems&rft.type=dataset&rft.language=English Access the data

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License Text

Cite data as: Flukes, E., Monk, J. & Lucieer, V. (2024). Bathymetry of the Australian Marine Parks. Institute for Marine and Antarctic Studies (IMAS), University of Tasmania (UTAS). Data accessed from https://metadata.imas.utas.edu.au/geonetwork/srv/eng/catalog.search#/metadata/fb451be4-9de1-4bc2-8fd6-0f285f90916f on [access date].

This dataset is the intellectual property of the University of Tasmania through the Institute for Marine and Antarctic Studies, but is a collaborative effort between AusSeabed (Geoscience Australia), the Australian Hydrographic Office, various universities and state and federal organisations around Australia.

This dataset is not to be used for navigational purposes.

Access:

Open

Brief description

This dataset is a compilation product of all publicly available surveyed bathymetry within the Australian Marine Parks (AMPs, 2023 boundaries), merged into a single multi-resolution composite per AMP. The data was compiled by Seamap Australia as part of an Our Marine Parks (Parks Australia) project with funding from the Australian Government to improve knowledge relating to classification of the Australian Marine Parks real estate. This compilation of bathymetry data was the first step in generating geomorphometry classifications (see https://metadata.imas.utas.edu.au/geonetwork/srv/eng/catalog.search#/metadata/40e9283b-d4ed-4176-8fe6-112b8697003f for derived geomorphometry maps).

Bathymetry data was collated from AusSeabed data holdings (https://portal.ga.gov.au/persona/marine), the WA Bathymetry Portal (https://dot-wa.maps.arcgis.com/apps/webappviewer/index.html?id=d58dd77d85654783b5fc8c775953c69b), the Australian Ocean Data Network (https://portal.aodn.org.au/) and other existing public data repositories. A single multi-resolution bathymetry mosaic, and associated multi-resolution hillshade mosaic, was generated for each AMP.

Data is supplied as a single Web Map Service of bathymetry on hillshade for the mapped regions. Data is available for download as (1) bathymetry, and (2) hillshade, Geotiff files for each AMP.

The table below indicates the Parks included in this data package, and the percent coverage of bathymetric data for each. Parks not expressly listed below had no publicly accessible bathymetry data available from the sources listed in the 'lineage' section below. This dataset was last updated on 17/07/2024 and represents all public bathymetry data intersecting AMPs that could be located as of that date.

PARK % COVERAGE
Abrolhos 56%
Apollo 62%
Arafura 11%
Argo-Rowley Terrace 34%
Ashmore Reef 68%
Beagle 53%
Boags 31%
Bremer 70%
Carnarvon Canyon 82%
Cartier Island 9%
Central Eastern* 48% (42%)
Christmas Island* 43% (41%)
Cocos (Keeling) Islands* 25% (19%)
Cod Grounds 97%
Coral Sea* 100% (30%)
Dampier 60%
East Gippsland 100%
Eastern Recherche 35%
Eighty Mile Beach 69%
Flinders 31%
Franklin 51%
Freycinet 58%
Gascoyne 67%
Geographe 25%
Gifford* 100% (70%)
Great Australian Bight 40%
Gulf of Carpentaria 6%
Heard & McDonald Islands*† 100% (0%)
Hunter 90%
Huon 95%
Jervis 99%
Jurien 18%
Kimberley 13%
Lord Howe* 16% (14%)
Macquarie Island 46%
Mermaid Reef 83%
Montebello 89%
Murray 47%
Nelson 58%
Ningaloo 55%
Norfolk 42%
Oceanic Shoals 22%
Perth Canyon 98%
Roebuck 100%
Shark Bay 16%
Solitary Islands 100%
South Tasman Rise 78%
South-west Corner 52%
Tasman Fracture 99%
Twilight 1%
Two Rocks 32%
Wessel 1%
West Cape York 3%
Western Eyre 25%
Western Kangaroo Island 10%
Zeehan 73%

* indicates Digital Elevation Model (DEM) data was included in compilation. Coverage of surveyed (non-modelled) bathymetry is shown in parentheses ()
† has been included in analysis but is not an Australian Marine Park

Lineage

Maintenance and Update Frequency: asNeeded
Statement: Bathymetry mosaics for each Australian Marine Park were generated by collating all available bathymetry survey data intersecting AMPs, at the highest available gridded resolution.

Data was mosaiced into a single multi-resolution raster product for each AMP using the ArcMap (v 10.8.1) tool RASTER CATALOG TO RASTER DATASET (options: Mosaic Operator: FIRST; Resampling Method: BILINEAR). The MOSAIC TO NEW RASTER tool was also explored, but results were unpredictable and the use of Raster Catalogs produced repeatable outcomes. Datasets were organised in the input Raster Catalogs such that the highest priority (aka mosaiced last) was assigned to: (1) highest resolution; and (2) most recent data (where resolution was identical. This meant that, where bathymetry datasets overlapped in the mosaic, only the first (higher resolution) data was retained for each area. In cases where input data had clear artefacts or errors, these areas were clipped out, or the input Geotiff was deprioritised in the mosaic.

Hillshade (z-factor = 5m, azimuth = 315°, altitude = 45°) was computed for each bathymetry dataset and mosaiced into a second multi-resolution raster product for each AMP using the process described above. This enabled preservation of the highest-resolution shading detail available for each AMP.

Bathymetry and hillshade mosaics were clipped to the boundaries of AMPs. Mosaic datasets for each AMP were then exported as Geotiffs with lossless compression for subsequent processing.

Notes

Credit
Australian Government’s Our Marine Parks Grant

Data time period: 1989-01-01

This dataset is part of a larger collection

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-25.5,86 -24.3,86

-24.90000000005,90

-35.2,86 -34.07724,86

-34.638619024998,90

-37.71527,86 -33.6,86

-35.657637298822,90

-33.90549,86 -33.68573,86

-33.795608112474,90

-34.42854,86 -34.16704,86

-34.297785960104,90

-34.15794,86 -34.0393,86

-34.098619622597,90

-36.87996,86 -31.51612,86

-34.198039629375,90

text: uplimit=7000; downlimit=0

Other Information
(DATA ACCESS - bathymetry mosaics per AMP (Geotiff))

uri : https://data.imas.utas.edu.au/attachments/AMP_bathymetry_derivatives/bathy/raw

(DATA ACCESS - hillshade for bathymetry mosaics (to use as backdrop))

uri : https://data.imas.utas.edu.au/attachments/AMP_bathymetry_derivatives/hillshade/bathy

(RELATED DATA - geomorphometry of AMPs (derived dataset))

uri : https://metadata.imas.utas.edu.au/geonetwork/srv/eng/catalog.search#/metadata/40e9283b-d4ed-4176-8fe6-112b8697003f

Explore the data through the interactive Seamap Australia portal

uri : https://seamapaustralia.org/map/#8f7ab168-50ff-4a18-abb0-cb2e0191cce3

Identifiers
  • global : fb451be4-9de1-4bc2-8fd6-0f285f90916f