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

A 4km-resolution biogeochemistry and sediments model simulation for the Great Barrier Reef, produced by the eReefs project. The dataset represents a reduced-loads catchment scenario derived from the Reef 2050 Water Quality Improvement Plan 2017-2022, adjusted for cumulative reductions achieved between 2014 and 2019. It is part of a suite of hindcast-mode simulations including baseline and pre-industrial scenarios.

Use Cases

• Assessing the impact of nutrient load reductions on reef water quality based on the modeled biogeochemistry outputs.
• Comparing environmental outcomes between baseline, reduced-loads, and pre-industrial catchment scenarios described in the dataset.
• Supporting policy evaluation for the Reef 2050 Water Quality Improvement Plan based on the modeled sediment and nutrient dynamics.
• Calibrating or validating other hydrodynamic or ecological models using the high-resolution (4km) model results.

Strengths

• Model outputs are based on a specific, policy-reduced catchment scenario (Reef 2050 WQIP 2017-2022) with adjustments for historical reductions.
• Data is part of a comparative suite including baseline and pre-industrial scenarios, enabling controlled analysis.
• Spatial resolution is explicitly defined as 4km for the Great Barrier Reef region.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Primary file formats are PDF, PNG, HTML, and WMS, which may not be directly machine-readable for analysis without conversion.

Provenance

Source

Australian Ocean Data Network

Collection Method

Results from version 3.1 of the 4km-resolution eReefs biogeochemistry and sediments model (GBR4), forced by hydrodynamic model v2 and a specific catchment scenario.

Time Range

Hindcast-mode simulation; specific temporal coverage is not stated.

Freshness

Last updated 2026-04-28 12:44:31.055167; freshness should be verified.

Geography

Great Barrier Reef region.