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Politics : The Environmentalist Thread
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To: Ron who wrote (8993)1/16/2007 11:00:22 AM
From: Triffin  Read Replies (1) of 36917
 
Good article Ron ..

Check this section on sea level rise ..


The sudden appearance of the islands is a symptom of an ice sheet going into retreat, scientists say. Greenland is covered by 630,000 cubic miles of ice, enough water to raise global sea levels by 23 feet.

Carl Egede Boggild, a professor of snow-and-ice physics at the University Center of Svalbard, said Greenland could be losing more than 80 cubic miles of ice per year.


If the above figures are even close to being accurate
then this aspect of the GW issue is a non-event; just do the math ..

At a 'melt rate' of 80 cubic miles per year it
will take 7875 years to melt all the ice

If sea-level is to rise 23 feet from current levels as
a result of the stated 'melt rate' then we're looking at a total of
276 inches over 7875 years or
0.0350476 inches per year..

Also, as the ice melts ( and I'm assuming that all the
Greenland ice is melting land ice and therefore a contributor
to sea-level rise ) the 'relieved' land masses will experience
'isostatic rebound', so the net rise will be even less ..

So, if increasing sea-levels as a result of GW is a real
 threat ie we'll have to relocate populations in coastal
cities or protect them at great cost .. Then either the rate
of melt ( 80 cu miles per year ) is grossly underestimated
or the growth rate of the rate of melt is significantly higher;
otherwise this is a complete non issue re GW .......JMHO

Time to buy that waterfront lot !!!!

Triff .. grub !!
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