eReefs GBR4 biogeochemistry and sediments v3.1 reduced loads catchment scenario

Results from version 3.1 of the 4km-resolution biogeochemistry and sediments model of the Great Barrier Reef, forced by a hydrodynamic model and a reduced-loads catchment scenario. The scenario reduces anthropogenic loads of DIN, PN, PP, and TSS according to the Reef 2050 Water Quality Improvement Plan 2017-2022, adjusted for cumulative reductions achieved between 2014 and 2019. This dataset is part of a suite of hindcast simulations from the eReefs project, hosted by the Australian Ocean Data Network.

Use Cases

• Modeling the impact of reduced nutrient and sediment loads on Great Barrier Reef water quality based on the described catchment scenario.
• Comparing baseline, pre-industrial, and reduced-loads catchment scenarios for the GBR4 biogeochemical model.
• Analyzing spatial patterns of sediment and nutrient transport at 4km resolution across the Great Barrier Reef.
• Supporting policy evaluation for the Reef 2050 Water Quality Improvement Plan 2017-2022 using hindcast model results.

Strengths

• Model results are based on a specific, documented scenario (Cq3R) adjusting anthropogenic loads according to a published water quality plan.
• The dataset is part of a comparative suite including baseline and pre-industrial scenarios, enabling controlled analysis.
• Spatial resolution is explicitly stated as 4km.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data may reflect geographic and temporal bias inherent to the eReefs modeling framework and data_gov_au.

Provenance

Source

Australian Ocean Data Network

Collection Method

Output from version 3.1 of the eReefs GBR4 biogeochemistry and sediments model, forced by version 2 of the Hydrodynamic model.

Freshness

Last updated 2026-06-27 20:26:06.320886; freshness should be verified.

Geography

Great Barrier Reef