96 individual specimens of waxy bitumen were collected from beaches in South Australia and western Victoria and analyzed geochemically. The study, published via the Australian Ocean Data Network, identifies at least five distinct oil families with origins likely in Southeast Asia. Analysis suggests these strandings are carried into Australian waters by the Leeuwin Current.
Use Cases
- Fingerprinting oil spill sources based on elemental, isotopic, and biomarker differences described.
- Modeling long-range oceanic transport of hydrocarbons based on the inferred Southeast Asian origin and the Leeuwin Current.
- Classifying stranded petroleum into distinct families based on geochemical properties like pristane/phytane ratios and biomarker assemblages.
- Assessing the contribution of natural seepage versus anthropogenic tanker cleaning operations to coastal pollution.
Strengths
- Analysis is based on 96 individual geochemically analyzed specimens.
- The dataset distinguishes at least five distinct oil families with inferred source facies.
- The study provides a specific temporal reference from repeated surveys during 1991–1992.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Freshness should be verified; the last update timestamp is 2026-06-27.
Provenance
- Source
- Australian Ocean Data Network
- Collection Method
- Geochemical analysis of specimens collected from beach surveys.
- Time Range
- Specimen collection includes a repeated survey period in 1991–1992.
- Freshness
- Last updated 2026-06-27 21:24:22.627620
- Geography
- Beaches in South Australia and western Victoria, southern Australia.