Riebesell, Ulf (2011) Arctic Ocean turning corrosive. IFM-GEOMAR Annual Report, 2010 . pp. 26-27.

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Abstract

The cold waters of the polar seas are naturally low in carbonate saturation. As uptake of anthropogenic
CO2 continues to acidify the oceans worldwide, the Arctic Ocean will be the first to
pass the chemical threshold where surface seawater becomes undersaturated, i.e. corrosive for
unprotected shells and skeletons of calcifying organisms. While the overall impacts of ocean
acidification on the Arctic ecosystems are still unknown, the predicted changes in seawater
chemistry are expected to make it increasingly difficult for calcareous organisms to inhabit
these regions.

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