[extropy-chat] Alleged Climate Collapse

Alfio Puglisi puglisi at arcetri.astro.it
Mon Feb 23 19:37:05 UTC 2004

On Mon, 23 Feb 2004, Mike Lorrey wrote:

>You are unfamiliar with glacial morphology, like most of the public,
>and are just buying into the propaganda. An Ice Shelf is ice which is
>already sitting in the water. When Ice Shelf ice melts, it displaces no
>more or less water, so its melting does not change the sea levels
>whatsoever. Absolutely NO Ice Cap ice has collapsed. The ocean levels
>are NOT rising.

That's mostly true. When a floating ice shelf melts, the fresh water that
goes into the ocean is a little less dense than the salt water volume that
was displaced by the ice. So the sea level will rise a little, but the
effect is probably too small to be measured.


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