Organic Matter Composition in Great Barrier Reef Soils and Sediments

Great Barrier Reef catchment and marine environments are the focus of this dataset detailing the chemical composition and bioavailability of organic matter in 31 plant, soil, and sediment samples. The data was produced by Griffith University under the NESP TWQ 5.8 project, with files last updated in July 2026. It includes an Excel file with sample metadata and NMR-derived chemical composition, alongside PDF files containing corresponding 13C CPMAS-NMR spectra for each sample.

Use Cases

• Classifying organic matter sources based on chemical composition data from NMR analysis.
• Modeling carbon bioavailability in terrestrial and marine environments using the provided chemical shift region intensities.
• Correlating land-use or catchment characteristics with sediment organic chemistry using the provided sample location and type data.

Strengths

• Includes 31 distinct samples with detailed metadata such as GPS coordinates, catchment name, and sample type.
• Provides both quantitative chemical composition data and qualitative spectral images (PDFs) for each sample.
• Describes a specific, standardized laboratory method (solid-state 13C CPMAS NMR) for data generation.

Limitations

• The dataset is currently under embargo, limiting immediate access.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count beyond the 31 samples is unknown, which may limit suitability assessment.

Provenance

Source

Griffith University, NESP TWQ 5.8 project, hosted by the Australian Ocean Data Network via data_gov_au.

Collection Method

Soil and sediment samples were pre-treated with 5% HF and analyzed via solid-state 13C CPMAS NMR spectroscopy at 100.6 MHz.

Freshness

Last updated 2026-07-10 17:53:56.306916; freshness should be verified.

Geography

Terrestrial and marine environments of the Great Barrier Reef catchment.