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

Results from version 3.1 of the the 4km-resolution biogeochemistry and sediments model of the Great Barrier Reef (GBR4), forced by version2 of the Hydrodynamic model and by a reduced-loads catchment scenario which is derived from SOURCE Catchments with 2019 catchment condition (q3b) with anthropogenic loads (q3b – q3p) reduced according to the percentage reductions of DIN, PN, PP and TSS specified in the Reef 2050 Water Quality Improvement Plan (WQIP) 2017-2022 as calculated in Brodie et al., (2017). Further, the reductions are adjusted to account for the cumulative reductions already achieved between 2014 and 2019 that will be reflected in the 2019 catchment condition used in q3b.

This model configuration and associated results dataset may be referred to as "GBR4_H2p0_B3p1_Cq3R_Dhnd" according to the eReefs biogeochemical simulation naming protocol. The model ran in hindcast-mode as one of a suite of simulations which included baseline (GBR4_H2p0_B3p1_Cq3b_Dhnd) and pre-industrial (GBR4_H2p0_B3p1_Cq3p_Dhnd) catchment scenarios.

Data and resources

Reef 2050 Water Quality Improvement Plan (WQIP) 2017 - 2022

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Brodie et al (2017)

Brodie, J., Baird, M., Waterhouse, J., Mongin, M., Skerratt, J., Robillot, C., Smith, R., Mann, R., Warne, M., 2017. Development of basin-specific ecologically…

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eReefs Models

Web page with information about the eReefs Regional Models and the science behind them.

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Environmental Modelling Suite (EMS)

Web page with links and downloads to documentation and manuals for components of the Environmental Modelling Suite (EMS).

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THREDDS Catalog for GBR4_H2p0_B3p1_Cq3R_Dhnd results files

THREDDS catalog of individual results files with access via OPeNDAP, WMS, WCS, NetcdfSubset

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THREDDS Catalog entry for GBR4_H2p0_B3p1_Cq3R_Dhnd results aggregation

THREDDS timeseries aggregation of the entire dataset with access via OPeNDAP, WMS, WCS, NetcdfSubset

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OGC Web Map Service for GBR4_H2p0_B3p1_Cq3R_Dhnd variable layers

OGC Web Map Service (WMS) endpoint with CF-compliant NetCDF Extensions enabled

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NCI Data Catalogue

Metadata entry for this dataset in the NCI Data Catalogue

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eReefs Data Broker API entry for GBR4_H2p0_B3p1_Cq3R_Dhnd

eReefs Data Broker REST API with access to metadata as JSON, JSON-LD, RDF, TTL depending on content-type header.

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Unnamed resource

License Graphic

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Additional information

Status	completed
Update frequency	asNeeded
Metadata language	en
License	Please cite as "CSIRO Coastal Environmental Modelling, Australian Institute of Marine Science, Bureau of Meteorology, Great Barrier Reef Marine Park Authority, James Cook University, Queensland Government Department of Environment and Science (2019): GBR4_H2p0_B3p1_Cq3R_Dhnd, eReefs GBR4 biogeochemistry and sediments v3.1 reduced loads catchment scenario (Collection). NCI Australia."
Source metadata	ISO 19115 XML
Last updated	2026-11-05
Created	2026-11-05
API	package_show