Great Barrier Reef Hydrodynamic Model Results At 4km Resolution

Results from version 4.0 of the 4km-resolution regional-scale hydrodynamic model of the Great Barrier Reef. The model was forced with atmospheric data from BARRA, ocean boundaries from BRAN2020, global tides, and river data from 64 catchments. This hindcast simulation is considered the best available eReefs hydrodynamic model for its timespan.

Use Cases

• Analyze ocean current patterns and water temperature from the 4km-resolution model grid.
• Study salinity distribution influenced by river boundary inputs from 64 catchments.
• Validate other regional models using hindcast data forced by BARRA atmospheric reanalysis.
• Assess tidal influences on reef hydrodynamics using the integrated TPXO global tide model.
• Investigate freshwater plume dynamics from river stream flow and temperature data.

Strengths

• 4km spatial resolution provides detailed regional coverage of the Great Barrier Reef.
• Model integrates multiple high-quality forcing datasets: BARRA atmospheric reanalysis, BRAN2020 ocean boundaries, and data from 64 rivers.

Limitations

• Specific row count, column details, and temporal coverage are not provided in the description.
• Primary outputs include HTML and PNG formats, which may limit direct numerical analysis without accessing underlying data files.

Provenance

Source

Australian Ocean Data Network, following the eReefs simulation naming protocol.

Collection Method

Output from a hindcast run of the GBR4 v4.0 hydrodynamic model, forced by multiple observational and reanalysis datasets.

Time Range

null

Freshness

Dataset metadata was last updated in April 2026.

Geography

Great Barrier Reef region.