• IMAS Metadata Catalogue
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Seabed Habitat Solitary Islands Marine Park and Commonwealth Marine Reserve (South)

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.

Simple

Identification info

Date (Creation)
2015-01-11T00:00:00

Custodian

Office of Environment and Heritage (OEH), New South Wales Government - Waters Wetlands and Coasts Science, NSW OEH
PO Box A290
Sydney South
Sydney
NSW
Sydney
Australia
0299955000
Credit
New South Wales Marine Parks Authority

Point of contact

Office of Environment and Heritage (OEH), New South Wales Government - Ingleton, Timothy
PO Box A290
Sydney South
Sydney
NSW
1232
Australia
0299955517
0299955492 (facsimile)
Topic category
  • Geoscientific information

Extent

N
S
E
W


Temporal extent

Time period
2005-01-02T00:00:00 2012-01-31T00:00:00
Maintenance and update frequency
Not planned
Keywords (Theme)
  • remote sensing
  • multibeam
  • backscatter
  • shape
Global Change Master Directory (GCMD) Earth Science Keywords Version 8.0
  • EARTH SCIENCE | BIOSPHERE | AQUATIC ECOSYSTEMS | BENTHIC HABITAT
  • EARTH SCIENCE | LAND SURFACE | GEOMORPHOLOGY | COASTAL LANDFORMS/PROCESSES
  • EARTH SCIENCE | LAND SURFACE | GEOMORPHOLOGY
  • EARTH SCIENCE | BIOSPHERE | AQUATIC ECOSYSTEMS | MARINE HABITAT
  • EARTH SCIENCE | BIOSPHERE | AQUATIC ECOSYSTEMS | WETLANDS | MARINE
  • EARTH SCIENCE | BIOSPHERE | AQUATIC ECOSYSTEMS | COASTAL HABITAT
  • EARTH SCIENCE | BIOSPHERE | AQUATIC ECOSYSTEMS | REEF HABITAT
  • EARTH SCIENCE | OCEANS | BATHYMETRY/SEAFLOOR TOPOGRAPHY
Australian and New Zealand Standard Research Classification (ANZSRC): Fields of Research
  • Marine and Estuarine Ecology (incl. Marine Ichthyology)
  • Marine Geoscience
  • Environmental Sciences not elsewhere classified
Keywords (Theme)
  • National Environmental Research Program (NERP) Marine Biodiversity Hub
AODN Platform Vocabulary
  • research vessel
Keywords (Theme)
  • Seafloor habitat type
AODN Instrument Vocabulary
  • acoustic backscatter sensors

Resource constraints

Classification
Unclassified

Resource constraints

Use limitation
Data provided for use by the National Environmental Science Program (NESP) Marine Biodiversity Hub, Project D3
Use limitation
The data described in this record are the intellectual property of the New South Wales Office of Environment and Heritage, NSW State Government.

Resource constraints

Linkage
http://i.creativecommons.org/l/by/4.0/88x31.png

License Graphic

Title
Creative Commons Attribution 4.0 International License


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Website
http://creativecommons.org/licenses/by/4.0/

License Text

Other constraints
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).
Other constraints
Please contact the researcher when accessing the dataset.
Language
English
Character encoding
UTF8

Content Information

Content type
Physical measurement
Name
Seafloor habitat type

Name
Classification: reef / unconsolidated

Distribution Information

Distribution format
OnLine resource
SHAPE-ZIP

This OGC WFS service returns the data for download in Shapefile format.

OnLine resource
NESP:NESP_Seabed_Habitat_SolitarySouth_MAP

MAP - South Solitary Islands seabed habitat

OnLine resource
View and download this data through the interactive IMAS Data Portal.

Resource lineage

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.
Hierarchy level
Dataset
Hierarchy level
Dataset

Platform

Identifier

Code
research vessel

Instrument

Identifier

Code
acoustic backscatter sensors

Metadata

Metadata identifier
9d6b28d2-2d6b-4726-b603-ab03e3d15d34

Language
English
Character encoding
UTF8

Point of contact

Institute for Marine and Antarctic Studies (IMAS), University of Tasmania (UTAS) - IMAS Data Manager ()

Type of resource

Resource scope
Dataset
Metadata linkage
https://metadata.imas.utas.edu.au/geonetwork/srv/eng/catalog.search#/metadata/9d6b28d2-2d6b-4726-b603-ab03e3d15d34

Point of truth URL of this metadata record

Date info (Creation)
2020-09-10T08:56:49
Date info (Revision)
2020-09-10T08:56:49

Metadata standard

Title
ISO 19115-3:2018
 
 

Overviews

Spatial extent

N
S
E
W


Keywords

National Environmental Research Program (NERP) Marine Biodiversity Hub Seafloor habitat type backscatter multibeam remote sensing shape
AODN Platform Vocabulary
research vessel
Australian and New Zealand Standard Research Classification (ANZSRC): Fields of Research
Environmental Sciences not elsewhere classified Marine Geoscience Marine and Estuarine Ecology (incl. Marine Ichthyology)
Global Change Master Directory (GCMD) Earth Science Keywords Version 8.0
EARTH SCIENCE | BIOSPHERE | AQUATIC ECOSYSTEMS | BENTHIC HABITAT EARTH SCIENCE | BIOSPHERE | AQUATIC ECOSYSTEMS | COASTAL HABITAT EARTH SCIENCE | BIOSPHERE | AQUATIC ECOSYSTEMS | MARINE HABITAT EARTH SCIENCE | BIOSPHERE | AQUATIC ECOSYSTEMS | REEF HABITAT EARTH SCIENCE | BIOSPHERE | AQUATIC ECOSYSTEMS | WETLANDS | MARINE EARTH SCIENCE | LAND SURFACE | GEOMORPHOLOGY EARTH SCIENCE | LAND SURFACE | GEOMORPHOLOGY | COASTAL LANDFORMS/PROCESSES EARTH SCIENCE | OCEANS | BATHYMETRY/SEAFLOOR TOPOGRAPHY

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Associated resources

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