Parent Layer: Bathymetry_Products

Sub Layers:

• bathymetry_grid_1
• bathymetry_grid_2
• bathymetry_grid_3
• bathymetry_grid_4

Name: Bathymetry_Data

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Description: High-resolution bathymetric data were collected from each survey area using a Kongsberg EM3002D (300 kHz) multibeam sonar system mounted in single head configuration (Figure 2.1). The multibeam sonar data were processed during the survey using Caris HIPS & SIPS v7.1 SP2 software and included: i) applying algorithms that compensated for tide and vessel pitch, roll and heave (e.g. elevation errors caused by dynamic draft of the vessel); ii) using sound velocity profiles (collected while underway and at several stations in each survey area) to correct for variations in the speed of sound through the water column, and; iii) software filters and visual inspection of each swath line to remove any remaining artefacts and noisy data (e.g. nadir noise and data outliers). For more information see: http://www.ga.gov.au/metadata-gateway/metadata/record/76658

Definition Expression: N/A

Copyright Text: © Commonwealth of Australia (Geoscience Australia) 2016. 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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