Special report by USA TODAY - explores how climate change is affecting Americans in a series of stories this year.
Because of ocean chemistry, water three times more acidic resides at greater ocean depths. When conditions are right, strong winds blowing over ocean water along steep coasts, such as along the West Coast of North America, generate "upwelling" of these deep waters. The results bring this more corrosive seawater to the shallows of places such as Puget Sound, a foreshadowing today of how the oceans will look in a few decades.
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