Vlaming Sub-Basin Seabed Survey for CO2 Storage Assessment, 2012
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Description
In March and April 2012, Geoscience Australia conducted a seabed characterisation survey to assess the CO2 storage potential of the Vlaming Sub-basin, Western Australia. The survey collected 653 km² of multibeam and backscatter data, 6.65 km² of side-scan sonar imagery, and 89 seabed grab samples from 43 stations. It aimed to understand the link between deep geological features and the seabed for evaluating seal integrity.
Use Cases
Modeling potential CO2 reservoir connectivity based on described structural lineaments and fault-like features.
Assessing seabed geomorphology for storage site integrity using multibeam, backscatter, and side-scan sonar data.
Analyzing sediment and rhodolith bed composition from the 89 collected seabed grab samples.
Investigating correlations between seabed features and underlying geology for seal integrity evaluation.
Strengths
Survey collected 653 km² of multibeam and backscatter data, providing broad spatial coverage.
Includes 89 physical seabed grab samples from 43 stations for ground-truthing.
Acquired 6.65 km² of side-scan sonar imagery and concurrent chirper sub-bottom profile data.
Limitations
Column-level documentation is absent; field semantics must be inferred after download.
Row count is unknown, which may limit suitability assessment.
The precise relationship between seabed features and subsurface geology is noted as uncertain, requiring further work.