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Preindustrial to modern interdecadal variability in coral reef pH

Pelejero, Carles; Calvo, Eva; McCulloch, Malcolm; Marshall, Jerry; Gagan, Michael; Lough, Janice; Opdyke, Bradley


The oceans are becoming more acidic due to absorption of anthropogenic carbon dioxide from the atmosphere. The impact of ocean acidification on marine ecosystems is unclear, but it will likely depend on species adaptability and the rate of change of seawater pH relative to its natural variability. To constrain the natural variability in reef-water pH, we measured boron isotopic compositions in a ≃300-year-old massive Porites coral from the southwestern Pacific. Large variations in pH are found...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
Source: Science
DOI: 10.1126/science.1113692


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