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Seafloor Mapping Survey, Windmill Islands and Casey region, Antarctica, December 2014 - February 2015

Created 23/06/2025

Updated 23/06/2025

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From December 2014 to February 2015, Geoscience Australia conducted a multibeam sonar survey (GA-0348) of the coastal waters around Casey station and the adjacent Windmill Islands. The survey utilised GA's Kongsberg EM3002D multibeam echosounder, motion reference unit and C-Nav differential GPS system mounted on the Australian Antarctic Division's (AAD) science workboat the Howard Burton. The survey was a collaborative project between GA, the AAD and the Royal Australian Navy (RAN). During the survey a total of approximately 27.3 square kilometres of multibeam bathymetry, backscatter and water-column data were collected, extending coverage of a RAN multibeam survey (survey number HI545) conducted the previous season (approximately 7 square kilometres). The regions covered extended seaward of Newcomb Bay and Clark Peninsula northwest of Casey Station, and seaward of Shirley and Beall Islands to the southwest. Complimentary datasets were also collected, including 18 drop video deployments to assess the benthic ecosystem composition and 39 sediment samples to ground-truth the seafloor substrate. Macroalgae spectral analyses were also collected to develop a spectral library for possible future satellite bathymetry investigations. The new high-resolution bathymetric grid (1 metre resolution) reveals seafloor features in the Casey area in unprecedented detail.

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Additional Info

Field Value
Title Seafloor Mapping Survey, Windmill Islands and Casey region, Antarctica, December 2014 - February 2015
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/039c5e33-4298-45c4-a06f-a740c126f309
Contact Point
Australian Ocean Data Network
metadata@aad.gov.au
Reference Period 22/12/2014 - 30/01/2015
Geospatial Coverage
Map data © OpenStreetMap contributors
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  "type": "Polygon"
}
Data Portal Australian Oceans Data Network

Data Source

This dataset was originally found on Australian Oceans Data Network "Seafloor Mapping Survey, Windmill Islands and Casey region, Antarctica, December 2014 - February 2015". Please visit the source to access the original metadata of the dataset:
https://catalogue.aodn.org.au/geonetwork/srv/eng/csw/dataset/seafloor-mapping-survey-windmill-islands-and-casey-region-antarctica-december-2014-februar-2015