Ocean Acidification Levels Reach Levels Predicted For 2100

299px-Oa-samiVia ScienceDaily:

A group of 19 scientists from five research organizations have conducted the broadest field study of ocean acidification to date using sensors developed at Scripps Institution of Oceanography, UC San Diego.The study was recently reported in the journal PLoS One. It is an important step toward understanding how specific ecosystems are responding to the change in seawater chemistry that is being caused as the oceans take up extra carbon dioxide produced by human greenhouse gas emissions, said its authors. “These data represent a critical step in understanding the consequences of ocean change: the linkage of present-day pH exposures to organismal tolerance and how this translates into ecological change in marine ecosystems,” the authors wrote.

“These pH time series create a compelling argument for the collection of more continuous data of this kind.” Ocean acidification research is a relatively new study topic as scientists have only appreciated the potential extent of acidification within the last decade. As greenhouse gas emissions have accelerated in the past century, the oceans have taken up about a third of the carbon dioxide produced by human activities. That excess beyond natural levels increases amounts of carbonic acid in seawater. Acidification also limits the amount of carbonate forms that are needed by marine invertebrates such as coral and shelled organisms to form their skeletons. Though many lab simulations of this effect have been performed recently, including at a new acidification laboratory in development at Scripps, there have been few comparable field studies. Using sensors recently developed at Scripps, the researchers surveyed marine ecosystems ranging from coral reefs in the South Pacific Ocean to volcanic CO2 vent communities in the Mediterranean Sea.

They found that in some places, such as Antarctica and the Line Islands of the south Pacific, the range of pH variance is much more limited than in areas of the California coast subject to large vertical movements of water known as upwellings. In some of their study areas, they found that the decrease in seawater pH being caused by greenhouse gas emissions is still within the bounds of natural pH fluctuation. Some areas already experience daily acidity levels that scientists had expected would only be reached at the end of the 21st Century…

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  • Anon

    time travel….you’re doing it wrong 

  • Anon

    time travel….you’re doing it wrong 

  • Anarchy Pony

    Progress! It slowly kills everything!

  • Anarchy Pony

    Progress! It slowly kills everything!

    • bobbiethejean

      Not progress, mindless progress without consideration for consequences destroys everything. We could do this right, without destroying the planet, but we won’t because we’re a bunch of ignorant, selfish, greedy, shortsighted little monkeys.  

      • Anarchy Pony

        No, pretty much everything described as technological “progress” is destructive to a degree, it just changes based on what degree a person or society finds acceptable. And social progress isn’t really progress at all, everything that social progressives work for has already existed in various cultures from time to time and place to place, always being swept away by autocrats and zealots or civilizational collapse or by conquest by some other society and then recovered. Racial equality, acceptance of homosexuality, equitable wealth distribution are not new things, they have always existed somewhere at some time, only to be crushed or forgotten and then recovered.
         And no WE are not, only some, perhaps currently a majority are actually like that. The whole WE and US things are mind games to create a kind of imaginary conformity or false sense of combined purpose. Humanity is not destructive by nature, we are destructive by culture. Various cultures rise to prominence and condone destruction of wilderness, and conquest and slavery. Other cultures do everything they can to not be destructive, but they are massively “outgunned” by the more destructive cultures in shorter time frames, even the destructive cultures almost always collapse in the long time frames.

  • http://www.facebook.com/people/Bobbie-Jean-Pentecost/100000391760333 Bobbie Jean Pentecost

    Not progress, mindless progress without consideration for consequences destroys everything. We could do this right, without destroying the planet, but we won’t because we’re a bunch of ignorant, selfish, greedy, shortsighted little monkeys.  

  • Anarchy Pony

    No, pretty much everything described as technological “progress” is destructive to a degree, it just changes based on what degree a person or society finds acceptable. And social progress isn’t really progress at all, everything that social progressives work for has already existed in various cultures from time to time and place to place, always being swept away by autocrats and zealots or civilizational collapse or by conquest by some other society and then recovered. Racial equality, acceptance of homosexuality, equitable wealth distribution are not new things, they have always existed somewhere at some time, only to be crushed or forgotten and then recovered.
     And no WE are not, only some, perhaps currently a majority are actually like that. The whole WE and US things are mind games to create a kind of imaginary conformity or false sense of combined purpose. Humanity is not destructive by nature, we are destructive by culture. Various cultures rise to prominence and condone destruction of wilderness, and conquest and slavery. Other cultures do everything they can to not be destructive, but they are massively “outgunned” by the more destructive cultures in shorter time frames, even the destructive cultures almost always collapse in the long time frames.

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