eReefs GBR4 Hydrodynamics v4.0: 4km Regional Model of the Great Barrier Reef

Results from a complete hindcast simulation of the 4km-resolution regional-scale hydrodynamic model for the Great Barrier Reef (GBR4). The model is forced with high-resolution atmospheric reanalysis, ocean boundary data, a global tide model, and measured river inputs from 64 sources. This dataset, named GBR4_H4p0_ABARRAr2_OBRAN2020_FG2Gv3_Dhnd, succeeds the GBR4_H2p0 model as the best available eReefs hydrodynamic results for its timespan.

Use Cases

• Simulate ocean circulation and water temperature based on the 4km-resolution hydrodynamic model.
• Analyze the impact of river discharge and tides on reef ecosystems based on the 64 measured river boundaries.
• Validate satellite or in-situ oceanographic observations using the model's hindcast results.
• Study coastal processes and sediment transport in the Great Barrier Reef region.

Strengths

• Model uses high-resolution (4km) regional-scale grids for detailed spatial analysis.
• Forcing data incorporates inputs from 64 measured rivers, providing realistic boundary conditions.
• The dataset is described as a complete hindcast and the successor to a prior model version, suggesting a validated and operational state.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and specific temporal coverage are unknown, which may limit suitability assessment.
• Data may reflect geographic and temporal bias inherent to the specific model configuration and forcing data sources.

Provenance

Source

Australian Ocean Data Network via data_gov_au.

Collection Method

Output from the eReefs GBR4 v4.0 hydrodynamic model simulation.

Time Range

The model ran in hindcast mode, but the specific date range is not provided.

Freshness

Last updated 2026-06-27 17:22:11.343287; freshness should be verified.

Geography

Great Barrier Reef region at 4km resolution.