Data

Mapping of selected areas of Cockburn Sound, Western Australia

Australian Ocean Data Network
DAL Science and Engineering (DALSE)
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/ce7ad4e8-c46b-426b-9156-0cc9faf44e78&rft.title=Mapping of selected areas of Cockburn Sound, Western Australia&rft.identifier=https://metadata.imas.utas.edu.au/geonetwork/srv/eng/catalog.search#/metadata/ce7ad4e8-c46b-426b-9156-0cc9faf44e78&rft.description=In 2002, aerial photography of the Perth metropolitan coastal waters was purpose-flown to obtain high quality imagery of the benthic habitats. This imagery was used to map the coverage of vegetated areas in two selected areas of Cockburn Sound: Southern Flats and Eastern Shoal. Areas of relatively poor visibility, such as the Eastern Shelf, are difficult to map with confidence using these techniques. A ground-truthing survey was undertaken in 2004 to map the seagrass and reef habitats on the Eastern Shelf utilising sidescan sonar, towed video and spot dives.Maintenance and Update Frequency: notPlannedStatement: Habitat mapping of the Eastern Shelf involved: 1. Visual examination of the 2002 aerial imagery to define the sidescan sonar survey area and provide indicative habitat information for areas not covered by the sidescan sonar survey; 2. High frequency sidescan sonar (Edgetech 272T 100 kHz towfish with a 260TH surface unit) survey across the Eastern Shelf region. 3. Towed underwater video to provide ground-truth data and assist in the interpretation of the sidescan sonar data. 4. Spot dives in selected areas identified as having high habitat complexity.&rft.creator=DAL Science and Engineering (DALSE) &rft.date=2020&rft.coverage=westlimit=115.72786; southlimit=-32.243034072964; eastlimit=115.79034; northlimit=-32.13262&rft.coverage=westlimit=115.72786; southlimit=-32.243034072964; eastlimit=115.79034; northlimit=-32.13262&rft_rights=Creative Commons Attribution 4.0 International License http://creativecommons.org/licenses/by/4.0/&rft_rights=Cite data as: Department of Environmental Regulation, Western Australian Government (2016). Mapping of selected areas of Cockburn Sound, Western Australia. Data accessed at http://metadata.imas.utas.edu.au/geonetwork/srv/en/metadata.show?uuid=ce7ad4e8-c46b-426b-9156-0cc9faf44e78 on (access date).&rft_rights=This dataset is hosted by the Institute for Marine and Antarctic Studies (IMAS), University of Tasmania, on behalf of the Western Australian Government for the purposes of Seamap Australia (testing a national marine benthic habitat classification scheme).&rft_subject=biota&rft_subject=BENTHIC HABITAT&rft_subject=EARTH SCIENCE&rft_subject=BIOSPHERE&rft_subject=AQUATIC ECOSYSTEMS&rft_subject=SEAGRASS&rft_subject=BIOLOGICAL CLASSIFICATION&rft_subject=PLANTS&rft_subject=ANGIOSPERMS (FLOWERING PLANTS)&rft_subject=MONOCOTS&rft_subject=COASTAL HABITAT&rft_subject=Posidonia sp.&rft_subject=Halophila sp.&rft_subject=Environmental Sciences not elsewhere classified&rft_subject=ENVIRONMENTAL SCIENCES&rft_subject=OTHER ENVIRONMENTAL SCIENCES&rft_subject=Environmental Management&rft_subject=ENVIRONMENTAL SCIENCE AND MANAGEMENT&rft_subject=Marine and Estuarine Ecology (incl. Marine Ichthyology)&rft_subject=BIOLOGICAL SCIENCES&rft_subject=ECOLOGY&rft_subject=diver&rft_subject=research vessel&rft_subject=research aeroplane&rft_subject=Biotic taxonomic identification&rft_subject=Benthic habitat&rft_subject=Edgetech 272T 100kHz sidescan sonar&rft_subject=underwater cameras&rft.type=dataset&rft.language=English Access the data
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Creative Commons Attribution 4.0 International License
http://creativecommons.org/licenses/by/4.0/

Cite data as: Department of Environmental Regulation, Western Australian Government (2016). Mapping of selected areas of Cockburn Sound, Western Australia. Data accessed at http://metadata.imas.utas.edu.au/geonetwork/srv/en/metadata.show?uuid=ce7ad4e8-c46b-426b-9156-0cc9faf44e78 on (access date).

This dataset is hosted by the Institute for Marine and Antarctic Studies (IMAS), University of Tasmania, on behalf of the Western Australian Government for the purposes of Seamap Australia (testing a national marine benthic habitat classification scheme).

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Brief description

In 2002, aerial photography of the Perth metropolitan coastal waters was purpose-flown to obtain high quality imagery of the benthic habitats. This imagery was used to map the coverage of vegetated areas in two selected areas of Cockburn Sound: Southern Flats and Eastern Shoal. Areas of relatively poor visibility, such as the Eastern Shelf, are difficult to map with confidence using these techniques. A ground-truthing survey was undertaken in 2004 to map the seagrass and reef habitats on the Eastern Shelf utilising sidescan sonar, towed video and spot dives.

Lineage

Maintenance and Update Frequency: notPlanned
Statement: Habitat mapping of the Eastern Shelf involved: 1. Visual examination of the 2002 aerial imagery to define the sidescan sonar survey area and provide indicative habitat information for areas not covered by the sidescan sonar survey; 2. High frequency sidescan sonar (Edgetech 272T 100 kHz towfish with a 260TH surface unit) survey across the Eastern Shelf region. 3. Towed underwater video to provide ground-truth data and assist in the interpretation of the sidescan sonar data. 4. Spot dives in selected areas identified as having high habitat complexity.

Issued: 20 09 2017

Data time period: 2004-01-01 to 2004-06-30

This dataset is part of a larger collection

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115.79034,-32.13262 115.79034,-32.24303 115.72786,-32.24303 115.72786,-32.13262 115.79034,-32.13262

115.7591,-32.187827036482

text: westlimit=115.72786; southlimit=-32.243034072964; eastlimit=115.79034; northlimit=-32.13262

Subjects
ANGIOSPERMS (FLOWERING PLANTS) | AQUATIC ECOSYSTEMS | BENTHIC HABITAT | BIOLOGICAL CLASSIFICATION | Biological Sciences | BIOSPHERE | Benthic habitat | Biotic taxonomic identification | COASTAL HABITAT | EARTH SCIENCE | Ecology | Environmental Science and Management | Environmental Sciences | Edgetech 272T 100kHz sidescan sonar | Environmental Management | Environmental Sciences Not Elsewhere Classified | Halophila sp. | MONOCOTS | Marine and Estuarine Ecology (Incl. Marine Ichthyology) | Other Environmental Sciences | PLANTS | Posidonia sp. | SEAGRASS | biota | diver | research aeroplane | research vessel | underwater cameras |

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global : 4739e4b0-4dba-4ec5-b658-02c09f27ab9a

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  • global : ce7ad4e8-c46b-426b-9156-0cc9faf44e78
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