Tresco in northwest Victoria, at the southern margin of the Murray Basin, is the focus of this dataset. Core samples and groundwater from bores were analyzed for palynology and chemistry. The data likely documents the chemical evolution of an aquifer from fresh water to saline, influenced by brine pulses from surface playa lakes between 400,000 and 18,000 years B.P.
Use Cases
- Modeling groundwater chemical evolution based on palynology and chemistry analyses
- Investigating paleoenvironmental changes in aquifers based on the described salinity invasion events
- Analyzing the impact of surface brine pools on subsurface water quality based on the described mechanism
- Testing hypotheses for salinity origins, excluding marine sources, based on the dataset's findings
Strengths
- Analysis includes both palynology and chemistry data from core samples and groundwater
- Dataset provides a specific temporal range for a key salinity invasion event: between 400,000 and 18,000 years B.P.
- Focuses on a defined geographic location: Tresco, northwest Victoria, in the Murray Basin
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/temporal bias inherent to data_gov_au
Provenance
- Source
- Australian Ocean Data Network
- Collection Method
- Analysis of core samples and groundwater from bores
- Time Range
- Focuses on events between 400,000 and 18,000 years B.P.
- Freshness
- Last updated 2026-05-05 00:33:54.972841; freshness should be verified
- Geography
- Tresco, northwest Victoria, southern margin of the Murray Basin