Data

Seabed Habitat Solitary Islands Marine Park and Commonwealth Marine Reserve (South)

Australian Ocean Data Network
Waters Wetlands and Coasts Science, NSW OEH
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://metadata.imas.utas.edu.au/geonetwork/srv/eng/catalog.search#/metadata/9d6b28d2-2d6b-4726-b603-ab03e3d15d34&rft.title=Seabed Habitat Solitary Islands Marine Park and Commonwealth Marine Reserve (South)&rft.identifier=https://metadata.imas.utas.edu.au/geonetwork/srv/eng/catalog.search#/metadata/9d6b28d2-2d6b-4726-b603-ab03e3d15d34&rft.description=Digitised habitat layers for the southern section of the Solitary Islands Marine Park and Solitary Islands Marine Reserve, NSW. Includes reef and unconsolidated seafloor types as interpreted from a series of high resolution bathymetry and backscatter data obtained during swath surveys 2005-2012.Maintenance and Update Frequency: notPlannedStatement: Swath acoustic data was collected with a GeoSwath interferometric sidescan by the New South Wales Office of Environment and Heritage. The geo-referenced depth and sidescan backscatter data, when processed is used to digitise areas of rocky reef by hand at a constant scale of 1:2,000 or finer using a combination of the bathymetry and backscatter, with a minimum mapping unit of approximately 20 m depending on the complexity of the seafloor features. For the habitat layer the geometry of this layer was repaired using the Repair Geometry tool within ArcToolbox, cleaned using ETGeowizards, and dissolved using ArcToolbox. Recent updates of the layer involved using the Update and Union tools within ArcGIS to update areas of swath that had been changed since the last version of the habitat layer. Topology was built and there were no overlaps present. The attribute table was edited to simplify the data and remove unnecessary information. An intuitive estimate of attribute accuracy is provided here. The horizontal precision of hand digitised polygons are generally better than 15m. Polygons were hand digitised at a scale of no less than 1:2500 and based around the identification of bins (2x2m) as either data or no data. Due to the coarseness of hand digitising some data gaps may be included within the polygon and small areas of data excluded from the polygon. Overall map accuracy was calculated to be 81.56%, using video groundtruthing data compared to digitised polygons. User accuracy for reef areas was slightly higher, at 84.05%, while accuracy for Non-reef areas was 79.36%. The Tau coefficient (T) was 0.69.&rft.creator=Waters Wetlands and Coasts Science, NSW OEH &rft.date=2015&rft.coverage=westlimit=153.115505538; southlimit=-30.3290190617; eastlimit=153.453335128; northlimit=-30.1379932501&rft.coverage=westlimit=153.115505538; southlimit=-30.3290190617; eastlimit=153.453335128; northlimit=-30.1379932501&rft_rights=Creative Commons Attribution 4.0 International License http://creativecommons.org/licenses/by/4.0/&rft_rights=The citation in a list of references is: citation author name/s (year metadata published), metadata title. Citation author organisation/s. File identifier and Data accessed at (add http link).&rft_rights=Please contact the researcher when accessing the dataset.&rft_rights=Data provided for use by the National Environmental Science Program (NESP) Marine Biodiversity Hub, Project D3&rft_rights=The data described in this record are the intellectual property of the New South Wales Office of Environment and Heritage, NSW State Government.&rft_subject=geoscientificInformation&rft_subject=remote sensing&rft_subject=multibeam&rft_subject=backscatter&rft_subject=shape&rft_subject=BENTHIC HABITAT&rft_subject=EARTH SCIENCE&rft_subject=BIOSPHERE&rft_subject=AQUATIC ECOSYSTEMS&rft_subject=EARTH SCIENCE | LAND SURFACE | GEOMORPHOLOGY | COASTAL LANDFORMS/PROCESSES&rft_subject=EARTH SCIENCE | LAND SURFACE | GEOMORPHOLOGY&rft_subject=MARINE HABITAT&rft_subject=MARINE&rft_subject=WETLANDS&rft_subject=COASTAL HABITAT&rft_subject=REEF HABITAT&rft_subject=BATHYMETRY/SEAFLOOR TOPOGRAPHY&rft_subject=OCEANS&rft_subject=Marine and Estuarine Ecology (incl. Marine Ichthyology)&rft_subject=BIOLOGICAL SCIENCES&rft_subject=ECOLOGY&rft_subject=Marine Geoscience&rft_subject=EARTH SCIENCES&rft_subject=GEOLOGY&rft_subject=Environmental Sciences not elsewhere classified&rft_subject=ENVIRONMENTAL SCIENCES&rft_subject=OTHER ENVIRONMENTAL SCIENCES&rft_subject=National Environmental Research Program (NERP) Marine Biodiversity Hub&rft_subject=research vessel&rft_subject=Seafloor habitat type&rft_subject=acoustic backscatter sensors&rft.type=dataset&rft.language=English Access the data
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CC-BY

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

The citation in a list of references is: citation author name/s (year metadata published), metadata title. Citation author organisation/s. File identifier and Data accessed at (add http link).

Please contact the researcher when accessing the dataset.

Data provided for use by the National Environmental Science Program (NESP) Marine Biodiversity Hub, Project D3

The data described in this record are the intellectual property of the New South Wales Office of Environment and Heritage, NSW State Government.

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Brief description

Digitised habitat layers for the southern section of the Solitary Islands Marine Park and Solitary Islands Marine Reserve, NSW. Includes reef and unconsolidated seafloor types as interpreted from a series of high resolution bathymetry and backscatter data obtained during swath surveys 2005-2012.

Lineage

Maintenance and Update Frequency: notPlanned
Statement: Swath acoustic data was collected with a GeoSwath interferometric sidescan by the New South Wales Office of Environment and Heritage. The geo-referenced depth and sidescan backscatter data, when processed is used to digitise areas of rocky reef by hand at a constant scale of 1:2,000 or finer using a combination of the bathymetry and backscatter, with a minimum mapping unit of approximately 20 m depending on the complexity of the seafloor features. For the habitat layer the geometry of this layer was repaired using the Repair Geometry tool within ArcToolbox, cleaned using ETGeowizards, and dissolved using ArcToolbox. Recent updates of the layer involved using the Update and Union tools within ArcGIS to update areas of swath that had been changed since the last version of the habitat layer. Topology was built and there were no overlaps present. The attribute table was edited to simplify the data and remove unnecessary information. An intuitive estimate of attribute accuracy is provided here. The horizontal precision of hand digitised polygons are generally better than 15m. Polygons were hand digitised at a scale of no less than 1:2500 and based around the identification of bins (2x2m) as either data or no data. Due to the coarseness of hand digitising some data gaps may be included within the polygon and small areas of data excluded from the polygon. Overall map accuracy was calculated to be 81.56%, using video groundtruthing data compared to digitised polygons. User accuracy for reef areas was slightly higher, at 84.05%, while accuracy for Non-reef areas was 79.36%. The Tau coefficient (T) was 0.69.

Notes

Credit
New South Wales Marine Parks Authority

Created: 11 01 2015

Data time period: 02 01 2005 to 31 01 2012

This dataset is part of a larger collection

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153.45334,-30.13799 153.45334,-30.32902 153.11551,-30.32902 153.11551,-30.13799 153.45334,-30.13799

153.284420333,-30.2335061559

text: westlimit=153.115505538; southlimit=-30.3290190617; eastlimit=153.453335128; northlimit=-30.1379932501

Subjects
AQUATIC ECOSYSTEMS | BATHYMETRY/SEAFLOOR TOPOGRAPHY | BENTHIC HABITAT | Biological Sciences | BIOSPHERE | COASTAL HABITAT | EARTH SCIENCE | EARTH SCIENCE | LAND SURFACE | GEOMORPHOLOGY | EARTH SCIENCE | LAND SURFACE | GEOMORPHOLOGY | COASTAL LANDFORMS/PROCESSES | Earth Sciences | Ecology | Environmental Sciences | Environmental Sciences Not Elsewhere Classified | Geology | MARINE | MARINE HABITAT | Marine Geoscience | Marine and Estuarine Ecology (Incl. Marine Ichthyology) | National Environmental Research Program (NERP) Marine Biodiversity Hub | OCEANS | Other Environmental Sciences | REEF HABITAT | Seafloor habitat type | WETLANDS | acoustic backscatter sensors | backscatter | geoscientificInformation | multibeam | remote sensing | research vessel | shape |

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Identifiers
  • global : 9d6b28d2-2d6b-4726-b603-ab03e3d15d34
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