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Study predicts ocean 'dead zones' http://apocadocs.com/s.pl?1233013360
Global warming may create "dead zones" in the ocean that would be devoid of fish and seafood and endure for up to two millennia, according to a study published on Sunday.
Its authors say deep cuts in the world's carbon emissions are needed to brake a trend capable of wrecking the marine ecosystem and depriving future generations of the harvest of the seas.
In a study published online by the journal Nature Geoscience, scientists in Denmark built a computer model to simulate climate change over the next 100,000 years.
At the heart of their model are two well-used scenarios which use atmospheric levels of carbon dioxide (CO2), the main greenhouse gas, as an indicator of temperature rise.
Under the worst scenario, CO2 concentrations would rise to 1,168 parts per million (ppm) by 2100, or about triple today's level.
Under the more optimistic model, CO2 would reach 549 ppm by 2100, or roughly 50 percent more than today.
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[Read more stories about:
anthropogenic change, ecosystem interrelationships, global warming, dead zones, water issues]
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Your Quips:
BillyBoy says: "Either one of those scenarios they cite is a "we're screwed" scenario anyway."
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'Doc Jim says:
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Perhaps these dead zones could serve as giant trash receptacles.
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