Authors / CoAuthors
Siwabessy, J. | Picard, K.
Abstract
This resource contains bathymetry and backscatter data for the Oceanic Shoals Commonwealth Marine Reserve (CMR) in the Timor Sea collected by Geoscience Australia during September and October 2012 on RV Solander (survey GA0339/SOL5650). The survey used a Kongsberg EM3002 300 kHz multibeam sonar system mounted in single head configuration to map four areas, covering a combined area of 507 square kilometres. Data are gridded to 2 m spatial resolution. The Oceanic Shoals Commonwealth Marine Reserve survey was undertaken as an activity within the Australian Government's National Environmental Research Program Marine Biodiversity Hub and was the key component of Research Theme 4 - Regional Biodiversity Discovery to Support Marine Bioregional Plans. Hub partners involved in the survey included the Australian Institute of Marine Science, Geoscience Australia, the University of Western Australia, Museum Victoria and the Museum and Art Gallery of the Northern Territory. Data acquired during the survey included: multibeam sonar bathymetry and acoustic backscatter; sub-bottom acoustic profiles; physical samples of seabed sediments, infauna and epibenthic biota; towed underwater video and still camera observations of seabed habitats; baited video observations of demersal and pelagic fish, and; oceanographic measurements of the water column from CTD (conductivity, temperature, depth) casts and from deployment of sea surface drifters. Further information on the survey is available in the post-survey report published as Geoscience Australia Record 2013/38 (Nichol et al. 2013).<p><p>This dataset is not to be used for navigational purposes.
Product Type
dataset
eCat Id
79006
Contact for the resource
Owner
Custodian
Cnr Jerrabomberra Ave and Hindmarsh Dr GPO Box 378
Canberra
ACT
2601
Australia
Point of contact
- Contact instructions
- Place and Communities
Digital Object Identifier
Keywords
- Australian and New Zealand Standard Research Classification (ANZSRC)
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- Environmental Sciences
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- HVC_144641
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- AusSeabed
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- Marine Data Bathymetry Grid
- ( Theme )
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- geoscience
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- bathymetry
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- marine environmental baselines
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- multibeam
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- NERP Marine Biodiversity Hub
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- marine
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- NERP
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- AU-WA
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- Published_External
Publication Date
2014-01-01T00:00:00
Creation Date
Security Constraints
Legal Constraints
Status
Purpose
Maintenance Information
asNeeded
Topic Category
geoscientificInformation
Series Information
Lineage
Unknown
Parent Information
Extents
[-12.23, -11.31, 126.89, 127.48]
Reference System
Spatial Resolution
Service Information
Associations
Downloads and Links
Source Information
Data was sourced from the NERP Marine Biodiversity Hub. The Marine Biodiversity Hub is supported through funding from the Australian Government's National Environmental Research Program (NERP), administered by the Department of Sustainability, Environment, Water, Population and Communities (DSEWPAC). Processing software: Caris HIPS & SIPS Survey Name: Oceanic Shoals Marine Surveys GA-0339/SOL5650 Vessel: RV Solander Country: Australia Operator: AIMS Bathymetric system used: Kongsberg EM3002 Year of installation: 2012 Nominal sonar frequency: 300 kHz Number of beams: 160 beams Beamwidth across track: 1.5 degrees Beamwidth along track : 1.5 degrees Pulse length: Variable, operator selectable Depth range: 40 - 190 m Vessel speed: 8 - 10 knots Start date of survey: 12 September 2012 End date of survey: 06 October 2012 Institution: AIMS & Geoscience Australia Start port: Broome End port: Broome Survey leaders: Scott Nichol Data acquired and processed by: Justy Siwabessy, Kim Picard, Ian Atkinson Grids resolution: 2m Number of grids: 4 This dataset consists of the following files: - Georeferenced colour tif images in 2m resolution, shaded with sun azimuth 45 degrees - ASCII xyz (*.txt) grids in 2m resolution in UTM52S WGS84 - ESRI ascii (*.asc) grids in 2m resolution in UTM52S WGS84 - ESRI Rasters in 2m resolution - Caris csar files in 2m resolution - KMZ files