Articles | Volume 12, issue 4
Research article
25 Feb 2015
Research article |  | 25 Feb 2015

Coral records of reef-water pH across the central Great Barrier Reef, Australia: assessing the influence of river runoff on inshore reefs

J. P. D'Olivo, M. T. McCulloch, S. M. Eggins, and J. Trotter


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Short summary
The boron isotope composition in the skeleton of massive Porites corals from the central Great Barrier Reef is used to reconstruct the seawater pH over the 1940-2009 period. The long-term decline in the coral-reconstructed seawater pH is in close agreement with estimates based on the CO2 uptake by surface waters due to rising atmospheric levels. We also observed a significant relationship between terrestrial runoff data and the inshore coral boron isotopes records.
Final-revised paper