ALF Compatible UV Fluorescence Spectra of 120 Offshore Western Australia Oils

Geoscience Australia's Petroleum and Marine Division produced this report containing ultra-violet fluorescence emission spectra for 120 open file western Australian oil samples. The data were collected by scanning the 280-500 nm emission response using a 266 nm excitation wavelength to evaluate aromatic hydrocarbons. This dataset is designed to enable comparison of laboratory spectra with Airborne Laser Fluorosensor survey data for hydrocarbon seep detection and source characterization.

Use Cases

• Correlating sea surface hydrocarbon anomalies from ALF surveys with known oil types based on fluorescence signatures.
• Characterizing the aromatic hydrocarbon composition of oils from different offshore petroleum systems in Western Australia.
• Developing models to type hydrocarbon seeps directly to their geological source using laboratory-calibrated spectral data.

Strengths

• Contains spectra for 120 distinct oil samples, representing a significant collection.
• Spectral data is explicitly compatible with the specific 266 nm excitation wavelength used by the operational Airborne Laser Fluorosensor system.
• Oils are stated to represent all known offshore Western Australian petroleum systems as defined in referenced studies.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment for specific analytical methods.
• Data may reflect geographic bias inherent to its focus on Western Australian offshore basins.

Provenance

Source

Geoscience Australia Data (formerly AGSO - Australian Geological Survey Organisation)

Collection Method

Laboratory analysis of oil aliquots diluted with n-hexane, using UV fluorescence spectroscopy.

Freshness

Last updated 2026-04-30 13:08:41.118165; freshness should be verified.

Geography

Offshore Western Australia