The upper Hunter River valley in New South Wales contains groundwater influenced by silicate and carbonate dissolution, ion exchange, and aerosol dispersion. The dataset likely contains chemical measurements and disequilibrium indices for minerals like calcite, dolomite, and dawsonite across different geological formations. It was published via the Australian Ocean Data Network and last updated in May 2026.
Use Cases
- Modeling groundwater solute transport based on described ion exchange and dispersion processes.
- Analyzing mineral precipitation/dissolution reactions based on disequilibrium indices for calcite, dolomite, and dawsonite.
- Mapping groundwater salinity sources based on described Permian rock formations and connate marine salts.
- Studying hydrochemical evolution based on described kaolinite and Ca-montmorillonite stability fields.
- Investigating solute distribution patterns based on described log-normal and bimodal distributions of ions.
Strengths
- Description details specific geological formations (Wollombi Coal Measures, Jerrys Plains Subgroup, Greta Coal Measures) influencing groundwater chemistry.
- Describes distinct geochemical processes (silicate/carbonate dissolution, ion exchange, sulphide oxidation, molecular diffusion) for different aquifer zones.
- References specific mineral disequilibrium indices (calcite, dolomite, dawsonite, gypsum, thenardite, bloedite) and stability fields (kaolinite, Ca-montmorillonite).
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Data is provided in PDF and HTML formats, which may require extraction for analysis.
Provenance
- Source
- Australian Ocean Data Network
- Freshness
- Last updated 2026-05-05 02:10:44.255455; freshness should be verified.
- Geography
- Upper Hunter River Valley, New South Wales, Australia