The Great Barrier Reef marine environment is modeled for pesticide diuron dispersal from January 2016 to July 2018. The dataset likely contains hourly simulated concentrations of diuron across a 1 km resolution grid, derived from a hydrodynamic model forced by wind, tides, and river inputs. The simulation was conducted by the Australian Ocean Data Network using the eReefs GBR1 model nested within a 4 km model.
Use Cases
- Analyze pesticide plume dynamics based on hourly fluctuations in model cells mentioned in the description
- Validate simulated diuron concentrations against monitoring site observations referenced in the description
- Study the impact of river tracer inputs from 16 GBR rivers on coastal water composition
- Assess the risk from high-load rivers (Murray, Mossman, Proserpine, Burrum, Plane) based on surface flux data
Strengths
- High-resolution (1 km) marine model nested within a 4 km model for boundary stability
- Simulation period spans over 2.5 years from January 2016 to July 2018
- Model incorporates realistic plume dynamics from 16 river inputs and multiple forcing factors (wind, tides, waves)
Limitations
- Column-level documentation is absent; field semantics must be inferred after download
- Row count is unknown, which may limit suitability assessment
- Diuron concentration at ocean boundaries is set to 0, which may not reflect real-world background levels
Provenance
- Source
- Australian Ocean Data Network
- Collection Method
- Simulated using the GBR-Dynamic SedNet catchment model and the eReefs GBR1 hydrodynamic and transport models.
- Time Range
- January 2016 to July 2018
- Freshness
- Last updated 2026-05-05 04:47:31.826516; freshness should be verified
- Geography
- Great Barrier Reef marine environment