140 sediment samples from the Hawkesbury River estuary and fluvial sections were analyzed for texture, heavy metals, organochlorine pesticides, and nutrients. The dataset, hosted by the Australian Ocean Data Network, provides an integrated assessment of environmental impact from varied contaminant sources like urbanization, industry, and sewage. It was last updated on 2026-04-10.
Use Cases
- Identify pollution sources and dispersion patterns based on heavy metal and pesticide concentrations in sediments.
- Assess the impact of urbanization and recreational activities on sediment quality based on contaminant level variations.
- Model the risk of algal blooms and eutrophication based on nutrient reservoir data in bed sediments.
- Compare environmental impact between pristine and developed areas based on integrated sediment contaminant profiles.
Strengths
- Analysis of 140 sediment samples provides a substantial spatial snapshot.
- Measures multiple contaminant classes: heavy metals (Cd, Co, Cu, Fe, Mn, Ni, Pb, Zn), organochlorine pesticides (DDT, DDD, DDE, etc.), and nutrients (organic P, available P, etc.).
- Description provides specific contextual analysis linking contaminant levels to land use activities like sewage discharge and boating.
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 as PDF/HTML reports, which may require extraction to a structured format for analysis.
Provenance
- Source
- Australian Ocean Data Network
- Collection Method
- Sediment samples acquired from estuarine and fluvial sections and analyzed in a laboratory.
- Time Range
- null
- Freshness
- Last updated 2026-04-10 19:46:33.665909; freshness should be verified.
- Geography
- Hawkesbury River system, from Windsor to Broken Bay, including tributaries like Cowan Creek and Berowra catchment.