Projected ocean acidification by 2100

Figure Created 17 Dec 2010 Published 17 Dec 2010 Last modified 24 May 2017
The maps show projected ocean acidification and related impacts on corals by 2020, 2060 and 2100: from better (blue) to worse (orange) conditions for coral skeletal growth.

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17 Dec 2010
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EEA standard re-use policy: unless otherwise indicated, re-use of content on the EEA website for commercial or non-commercial purposes is permitted free of charge, provided that the source is acknowledged (http://www.eea.europa.eu/legal/copyright). Copyright holder: European Environment Agency (EEA).
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European Environment Agency (EEA)
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This map covers the world.

Aragonite is a form of calcium carbonate used by organisms such as corals, molluscs and some plankton species to build up skeletal structures and shells. Aragonite saturation levels go down as the ocean water acidifies. A value below 100% indicates undersaturation, meaning that aragonite structures would dissolve. Lowering values imply that it becomes increasingly difficult for the mentioned organisms to survive and grow.

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For references, please go to https://www.eea.europa.eu/data-and-maps/figures/projected-ocean-acidification-by-2100 or scan the QR code.

PDF generated on 23 Jun 2017, 04:18 AM

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