Great Barrier Reef Biogeochemistry Model Under Reduced Catchment Loads

Featuring results from version 3.1 of the 4km-resolution biogeochemistry and sediments model (GBR4) for the Great Barrier Reef, forced by a hydrodynamic model and a reduced-loads catchment scenario. The model simulates a hindcast scenario with anthropogenic loads reduced according to the Reef 2050 Water Quality Improvement Plan targets.

Use Cases

• Analyze sediment transport patterns under the reduced-loads catchment scenario to assess the impact of water quality interventions.
• Model biogeochemical cycles, including DIN, PN, PP, and TSS, to evaluate the effectiveness of the 2017-2022 Water Quality Improvement Plan targets.
• Compare baseline, pre-industrial, and reduced-loads catchment scenarios (e.g., Cq3b, Cq3p, Cq3R) to isolate anthropogenic influences on reef water quality.

Strengths

• Model outputs are based on a 4km-resolution grid for detailed spatial analysis of the Great Barrier Reef.
• Results are part of a structured simulation suite including baseline and pre-industrial scenarios for comparative analysis.
• Catchment loads are adjusted using specific percentage reductions for DIN, PN, PP, and TSS from a published water quality plan.

Limitations

• Data is presented in non-tabular formats (PDF, HTML, PNG, WMS), limiting direct computational analysis without extraction.
• The underlying raw data rows, columns, and sample size are not specified, obscuring the dataset's granularity and volume.
• Model results represent a specific hindcast simulation and may not reflect real-time or future conditions.

Provenance

Source

Australian Ocean Data Network

Collection Method

Output from version 3.1 of the eReefs 4km-resolution biogeochemistry and sediments model (GBR4_H2p0_B3p1_Cq3R_Dhnd), forced by hydrodynamic model v2 and a reduced-loads catchment scenario.

Time Range

Hindcast simulation; specific temporal coverage not stated.

Freshness

null

Geography

Great Barrier Reef, Australia.