Hawkesbury River Sediment Contaminant Analysis

140 sediment samples from the Hawkesbury River system in Australia were analyzed for texture, heavy metals, organochlorine pesticides, and nutrients. The dataset, provided by Geoscience Australia Data, reflects environmental impacts from land use, urbanization, and sewage discharge. Sediment analysis provides a long-term integrated assessment of contaminant sources and dispersion in this large coastal catchment.

Use Cases

• Assess spatial patterns of heavy metal contamination based on sediment sample locations from Windsor to Broken Bay.
• Correlate sediment nutrient levels with potential sources like sewage treatment plants mentioned in the description.
• Evaluate the environmental impact of specific land uses, such as marinas and urban development, based on contaminant concentrations.
• Model the potential bioavailability and mobility of toxicants in upper river reaches as described in the analysis.

Strengths

• Analysis of 140 sediment samples provides a substantial spatial coverage of the river system.
• Covers multiple contaminant classes: texture, heavy metals (Cd, Co, Cu, Fe, Mn, Ni, Pb, Zn), organochlorine pesticides (DDT, DDD, DDE, etc.), and nutrients.
• Description provides detailed interpretation linking contaminant levels to specific land-use activities and point sources.

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 and temporal bias inherent to the specific sampling campaign.

Provenance

Source

Geoscience Australia Data

Collection Method

Analysis of sediment samples collected from estuarine and fluvial sections of the Hawkesbury River.

Freshness

Last updated 2026-05-14 04:06:35.540125; freshness should be verified.

Geography

Hawkesbury River catchment, Australia, from Windsor to Broken Bay.