NESP TWQ Round 5 - Project 5.3 – Benthic light as ecologically-validated GBR-wide indicator for water quality: Drivers, thresholds and cumulative risks

The project is developing a water quality indicator based on benthic PAR (light penetrating to the seafloor). We have experimentally estimated irradiance thresholds for ecosystem health for the Great Barrier Reef and have developed a new remote sensing algorithm to estimate and map benthic irradiance throughout the GBR. This will feed into Reef Plan report cards, RIMReP monitoring, and assessments of drivers of cumulative risks. This project extension will allow us to: work with stakeholders to embed the products into their workflows; improve the remote sensing algorithm with seasonal and regional cloud corrections; and evaluate an additional benthic light product based on the eReefs models to complement the remote sensing product.

Images

Videos

Datasets

Publication on
23 October 2020
PreviewThis dataset contains estimates of diffuse attenuation coefficient (Kd) of downwelling irradiance at different wavelengths (412, 443, 469, 488, 531, 547, 555, 645, 667 and 678 nm) in the Great Barrier Reef Marine Park and Coral Sea for each day from July 2002
Publication on
5 February 2021
PreviewThis dataset contains estimated daily integrated benthic photosynthetically active radiation (bPAR) in the Great Barrier Reef Marine Park and Coral Sea for each day from July 2002 through to December 2019. Data are provided on a 1km grid.
Publication on
10 December 2020
PreviewThis dataset contains estimated daily integrated photosynthetically active radiation (PAR) at 8 m depth in the Great Barrier Reef Marine Park and Coral Sea for each day from April 2002 through to December 2019. Data are provided on a 1km grid.
Publication on
21 December 2020
PreviewThis dataset contains annual and seasonal values of the benthic light (bPAR index) for water quality on the Great Barrier Reef as calculated for each NRM Region (Cape York, Wet Tropics, Dry Tropics, Fitzroy and Mary-Burnett) and waterbody (Closed Coastal, Ope