Data

Browse Shelf Reef Polygons

Geoscience Australia
Howard, F.J.F. ; Nichols, S.
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://pid.geoscience.gov.au/dataset/ga/101465&rft.title=Browse Shelf Reef Polygons&rft.identifier=https://pid.geoscience.gov.au/dataset/ga/101465&rft.description=Browse Shelf reef polygons were manually digitized from multibeam echosounder datasets collected on marine survey GA0345/GA0346/TAN1411 in October/November 2014. Reef areas were defined as exposed, hard substrate that are often raised above the surrounding seafloor. The continental shelf was defined using the 200 m depth contour. They were mapped using bathymetry and backscatter data along with bathymetric derivatives including; slope, hillshaded bathymetry and contours. Features were mapped at a scale of 1:10 000. This dataset is published with the permission of the CEO, Geoscience Australia.Maintenance and Update Frequency: asNeededStatement: This dataset was derived from multibeam echosounder data collected during marine survey GA0345/GA0346/TAN1411 in October/November 2014. Features were manually digitised in ArcGIS 10.2 using hillshaded bathymetry, backscatter and slope datasets. Reef features were included if they were shallower than the 200 m depth contour derived from the 2009 Australian Bathymetry Topography Grid, https://pid.geoscience.gov.au/dataset/ga/67703. This dataset was produced under the National Environmental Science Program - Project D3 evaluating and monitoring the status of marine biodiversity assets on the continental shelf.&rft.creator=Howard, F.J.F. &rft.creator=Nichols, S. &rft.date=2016&rft.coverage=westlimit=123.624956303; southlimit=-13.495765767; eastlimit=124.670481302; northlimit=-12.860755096&rft.coverage=westlimit=123.624956303; southlimit=-13.495765767; eastlimit=124.670481302; northlimit=-12.860755096&rft_rights=&rft_rights=Creative Commons Attribution 4.0 International Licence&rft_rights=CC-BY&rft_rights=4.0&rft_rights=http://creativecommons.org/licenses/&rft_rights=WWW:LINK-1.0-http--link&rft_rights=Australian Government Security ClassificationSystem&rft_rights=https://www.protectivesecurity.gov.au/Pages/default.aspx&rft_rights=WWW:LINK-1.0-http--link&rft_rights=Creative Commons Attribution 4.0 International Licence http://creativecommons.org/licenses/by/4.0&rft_subject=geoscientificInformation&rft_subject=reef&rft_subject=marine environmental baseline&rft_subject=gis&rft_subject=geomorphology&rft_subject=key ecological feature&rft_subject=continental shelf&rft_subject=Western Australia&rft_subject=Published_External&rft.type=dataset&rft.language=English Access the data
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Licence & Rights:

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CC-BY

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

Creative Commons Attribution 4.0 International Licence

CC-BY

4.0

http://creativecommons.org/licenses/

WWW:LINK-1.0-http--link

Australian Government Security ClassificationSystem

https://www.protectivesecurity.gov.au/Pages/default.aspx

WWW:LINK-1.0-http--link

Access:

Open

Contact Information

clientservices@ga.gov.au

Brief description

Browse Shelf reef polygons were manually digitized from multibeam echosounder datasets collected on marine survey GA0345/GA0346/TAN1411 in October/November 2014. Reef areas were defined as exposed, hard substrate that are often raised above the surrounding seafloor. The continental shelf was defined using the 200 m depth contour. They were mapped using bathymetry and backscatter data along with bathymetric derivatives including; slope, hillshaded bathymetry and contours. Features were mapped at a scale of 1:10 000. This dataset is published with the permission of the CEO, Geoscience Australia.

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Maintenance and Update Frequency: asNeeded
Statement: This dataset was derived from multibeam echosounder data collected during marine survey GA0345/GA0346/TAN1411 in October/November 2014. Features were manually digitised in ArcGIS 10.2 using hillshaded bathymetry, backscatter and slope datasets. Reef features were included if they were shallower than the 200 m depth contour derived from the 2009 Australian Bathymetry Topography Grid, https://pid.geoscience.gov.au/dataset/ga/67703. This dataset was produced under the National Environmental Science Program - Project D3 evaluating and monitoring the status of marine biodiversity assets on the continental shelf.

Created: 12 08 2016

Issued: 10 10 2016

Data time period: 2014-10 to 2014-11

This dataset is part of a larger collection

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124.67048,-12.86076 124.67048,-13.49577 123.62496,-13.49577 123.62496,-12.86076 124.67048,-12.86076

124.1477188025,-13.1782604315

text: westlimit=123.624956303; southlimit=-13.495765767; eastlimit=124.670481302; northlimit=-12.860755096

Subjects
Published_External | Western Australia | continental shelf | geomorphology | geoscientificInformation | gis | key ecological feature | marine environmental baseline | reef |

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Other Information
Marine Biodiversity Hub project website

uri : http://www.nespmarine.edu.au/project/project-d3-evaluating-and-monitoring-status-marine-biodiversity-assets-continental-shelf

Download the data (shp)

uri : https://d28rz98at9flks.cloudfront.net/101465/101465.zip

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