California’s coastal waters acidification twice as fast as global average

According to a study published in the journal Nature, scientists have found that California’s coastal waters are acidicating twice as fast as the global average. The study, led by the National Oceanic and Atmospheric Administration, linked acidification to a climate cycle called The Pacific Ocean Interannual Oscillation.

The study also found that changes in the El Ni?o and La Ni?a climate cycles also accelerated extreme changes in ocean chemical reactions.

The oceans, which make up 70 percent of the Earth’s surface, have been unsung heroes of climate change, absorbing more than a quarter of human carbon dioxide emissions since the Industrial Revolution. The mixing of carbon dioxide with seawater occurs in a chemical reaction, which increases the acidification.

California's coastal waters acidification twice as fast as global averageCalifornia's coastal waters acidification twice as fast as global average

The study found that pH off the coast of California has fallen by 0.21 over the past 100 years, more than double the global average of 0.1 pH. The climate cycle may exacerbate acidification.                   

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