The Yampi Shelf in Northwest Australia contains the first documented active hydrocarbon seepage in a tropical carbonate shelf environment. Geoscience Australia Data collected geophysical data showing gas plumes, seabed features like pockmarks and mounds, and sub-surface seismic anomalies. The dataset was last updated on 2026-03-25.
Use Cases
- Mapping gas plume distribution based on water column imaging data
- Correlating seabed features like pockmarks and mounds with sub-surface seismic discontinuities
- Analyzing seepage activity variation in relation to macro-tidal cycles mentioned in the description
- Modeling hydrocarbon migration pathways controlled by reactivated basement fractures and dykes
Strengths
- Documents the first active hydrocarbon seepage imaged in Australia's tropical carbonate shelves
- Integrates multiple geophysical data sets including water column and seabed imagery
- Identifies seepage features at specific water depths of 50 and 90 meters
Limitations
- Column-level documentation is absent; field semantics must be inferred after download
- Row count is unknown, which may limit suitability assessment
- Data may reflect geographic bias inherent to data_gov_au
Provenance
- Source
- Geoscience Australia Data
- Collection Method
- Geophysical imaging and data collection from the Yampi Shelf
- Freshness
- Last updated 2026-03-25 17:42:13.257747; freshness should be verified
- Geography
- Yampi Shelf, Northwest Australia