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Coral-based Proxy Records of Ocean Acidification: A Pilot Study at the Puerto Rico Test-bed Site

Published by NOAA Atlantic Oceanographic and Meteorological Laboratory | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: January 27, 2026 | Last Modified: 2013-01-24T00:00:00.000+00:00
Coral cores collected nearby the Atlantic Ocean Acidification Test-bed (AOAT) at La Parguera, Puerto Rico were used to characterize the relationship between paleo-variations in coral growth and calcification and seawater pH via the boron isotope proxy. This study addressed impacts of ocean acidification in a geological context to quantify baseline variability in growth and pH and assess the historical response of coral ecosystems to increased atmospheric CO2 and enhance on-going AOAT observations.

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