Name: Geomorphic_Features_Antarctic_Margin

Display Field: Feature

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: Publicly available bathymetry and geophysical data has been used to map geomorphic features of the Antarctic continental margin and adjoining ocean basins at scales of 1:1-2 million. The key bathymetry datasets used were GEBCO08 and ETOPO2 satellite bathymetry (Smith & Sandwell 1997), in addition to seismic lines in key areas. Twenty-seven geomorphic units were identified based on interpretation of the seafloor bathymetry with polygons digitised by hand in ArcGIS. This web service is updated based on mapping originally published in O'Brien et al. 2009 and Post et al. 2014.

Copyright Text: © Commonwealth of Australia (Geoscience Australia) 2018. This product is released under the Creative Commons Attribution 4.0 International Licence. http://creativecommons.org/licenses/by/4.0/legalcode

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YMin: -5291437.364399999
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Spatial Reference: 102021  (102021)

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