Groundwater Salinity Origins Near Tresco, Victoria, with Paleohydrogeological Analysis

Core samples and groundwater from bores at Tresco in northern Victoria have been analysed for palynology and chemistry. The dataset documents the chemical evolution of an aquifer above the Blanchetown Clay, from fresh water in the early Pleistocene to saline invasion between 400,000 and 18,000 years B.P. It is provided by the Australian Ocean Data Network via data.gov.au.

Use Cases

• Modeling historical groundwater chemistry evolution based on palynological and chemical analyses.
• Investigating the source and timing of saline water intrusion based on described brine pool pulses.
• Analyzing aquifer geochemical changes in response to surface hydrological events like playa lakes.

Strengths

• Analysis includes both palynology and chemistry data from core and groundwater samples.
• Provides a specific temporal model for salinity invasion between 400,000 and 18,000 years B.P.
• Dataset is hosted by an authoritative national network (Australian Ocean Data Network).

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 the single study site near Tresco.

Provenance

Source

Australian Ocean Data Network

Collection Method

Analysis of core samples and groundwater from bores for palynology and chemistry.

Time Range

Covers geological history from the early Pleistocene to 18,000 years B.P.

Freshness

Last updated 2026-04-16 09:33:26.521818; freshness should be verified.

Geography

Tresco, northwest Victoria, in the southern margin of the Murray Basin, Australia.