Technical Comments

Response to Comment on "Preindustrial to Modern Interdecadal Variability in Coral Reef pH"

Science  27 Oct 2006:
Vol. 314, Issue 5799, pp. 595
DOI: 10.1126/science.1128502

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Coral reefs are exceptional environments where changes in calcification, photosynthesis, and respiration induce large temporal variations of pH. We argue that boron isotopic variations in corals provide a robust proxy for paleo-pH which, together with the likely concomitant changes in the reconstructed partial pressure of CO2 (PCO2) calculated by Matear and McNeil, fall within ranges that are typical of modern coral reef ecosystems.

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