From: CurtAdams@aol.com
Date: Mon Mar 25 2002 - 14:44:54 MST
In a message dated 3/25/02 12:47:28, mlorrey@datamann.com writes:
>Nor does subduction do anything about carbonates deposited outside of
>subduction areas. The Great Barrier Reef, for one, is not subducting and
>is one of the great modern carbon sequestration areas, as is the
>Carribean basin. Another sequestration area is the Southern Sea around
>Antarctica, which produces a huge amount of phytoplankton that
>sequesters billions of tons of carbon each year that settles to the
>bottom of the ocean to become hydrates in non-subduction areas.
It's all temporary. Everything in the ocean either subducts or gets brought
back to land (the hydrates are unstable at atmospheric pressure). When
the tectonics shut down, there'll be an issue, but not before.
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