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Taking Fears of Acid Oceans With a Grain of Salt http://apocadocs.com/s.pl?1326121211
The Natural Resources Defense Council has called ocean acidification "the scariest environmental problem you've never heard of." Sigourney Weaver, who narrated a film about the issue, said that "the scientists are freaked out." The head of the National Oceanic and Atmospheric Administration calls it global warming's "equally evil twin."
But do the scientific data support such alarm? Last month scientists at San Diego's Scripps Institution of Oceanography and other authors published a study showing how much the pH level (measuring alkalinity versus acidity) varies naturally between parts of the ocean and at different times of the day, month and year.
"On both a monthly and annual scale, even the most stable open ocean sites see pH changes many times larger than the annual rate of acidification," say the authors of the study, adding that because good instruments to measure ocean pH have only recently been deployed, "this variation has been under-appreciated."...
Off Papua New Guinea and the Italian island of Ischia, where natural carbon-dioxide bubbles from volcanic vents make the sea less alkaline, and off the Yucatan, where underwater springs make seawater actually acidic, studies have shown that at least some kinds of calcifiers still thrive--at least as far down as pH 7.8.
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[Read more stories about:
ocean acidification, short-term thinking, ecosystem interrelationships, carbon emissions]
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anarchaosos says: "Well by that logic, seasonal temperature changes mean 50 degrees of AGW should be just fine. I guess I was all worried over nothing."
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'Doc Jim says:
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See? If the Wall Street Journal says so, then Adam Smith says so, too. Move along.
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