Fact sheet on ocean acidification

Ocean Acidification

Key points

  • Increasing amounts of atmospheric carbon dioxide (CO2) are being absorbed at the sea surface. When this CO2 enters the ocean it rapidly goes through a series of chemical reactions which lowers the pH of the surface seawater driving the water along the scale toward acidity.
  • Models suggest about a 30% decrease in surface pH (an increase in acidity) and a 16% decrease in carbonate ion concentration since 1750. This has been confirmed by long term observations.
  • The rate of change in pH is faster than anything experienced in the last 55 million years and is causing concern for marine ecosystems and species.

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About argylesock

I wrote a PhD about veterinary parasitology so that's the starting point for this blog. But I'm now branching out into other areas of biology and into popular science writing. I'll write here about science that happens in landscapes, particularly farmland, and about science involving interspecific interactions. Datasets and statistics get my attention. Exactly where this blog will lead? That's a journey that I'm on and I hope you'll come with me.
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