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Biogeochemistry of northern and central Great Barrier Reef inter-reef sediments

Created 24/06/2017

Updated 09/10/2017

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Nine stations from Great Barrier Reef locations on the inner, mid- and outer -shelf were sampled. Six were located in the channels bewteen the following sets of reefs: Gibson and Howie, Howie and Peart, Adelaide and Hall-Thompson, Taylor and Farquharson, Yamacutta and Taylor and Beaver; Britomart and Otter Reefs. Three stations were located leeward of the following reefs: King, Moss, and Pith Reefs.

Samples were analysed for sediment grain size, pH and percentage silt, sand and clay, water content and other elements (P, S, Mn, and Fe). Sediments were classified as mud, sand, sandy mud or muddy sand.

Mass sediment accumulation rates were calculated.

Solute fluxes across the sediment-water interface and sulfate reduction were measured.

Porewater was analysed for Cl, S, Fe, Ca, Mg, Sr, and Mn.

Fluxes of O2 and sum of CO2 (mmol m-2 day-1), the ratio across the sediment-water interface and net production of sum of CO2 were calculated.

Rates of dissolved inorganic nutrient flux (umol m-2 day-1) were recorded.

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Title Biogeochemistry of northern and central Great Barrier Reef inter-reef sediments
Language English
Licence Other
Landing Page https://devweb.dga.links.com.au/data/dataset/9128847d-5761-4f3d-b911-1117b8d8e702
Contact Point
Australian Institute of Marine Science
adc@aims.gov.au
Geospatial Coverage {"type": "Polygon", "coordinates": [[[146.0, -18.5], [147.0, -18.5], [147.0, -17.0], [146.0, -17.0], [146.0, -18.5]]]}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "Biogeochemistry of northern and central Great Barrier Reef inter-reef sediments". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/biogeochemistry-of-northern-and-central-great-barrier-reef-inter-reef-sediments

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