[Coco] Rita heading towards CoCo3.com :)

[Gene Heskett]

On Thursday 22 September 2005 09:27, jdaggett at gate.net wrote:
>Melting Sea Ice will not raise the sea level one inch. It is melting
>glacieral Ice that will raise sea levels. Yes there is enough ice on
>Antartica, Greenland and Siberia to raise water levels should they
>completely melt.
>
>Test
>
>put two ice cubes in a glass of water so that they float. Mark the
>level of water in the glass. After the ice melts measure the water
>level again. It will not change. Why? In solid form sea ice has
>displaced the amount of water by the volume of the ice. As the ice
>melts it displaces less water. The melt fills the vaccum of displaced
>water and the water level remains the same.
>
While generally true, don't forget the decrease in salinization.  The
sea ice is fairly pure water, the salt having been excluded from the
freezing.  Its this reduction in the specific gravity that the
atlantic conveyer runs on that is bringing it to a halt also.  When it
reached the north end, the cooling caused it to sink & reverse path,
but with the dilution of the saline by the thawing ice, combined with
the glacial melt runnoff, is lowering the specific gravity of the
now cooler water and neutralizing the engine that drives the atlantic
conveyer. That may throw another little ice age across europe and our
northeastern seacoast. But this will be temporary if we drasticly
reduce the greenhouse gases we emit with our cattle & machinery.

I won't live to see it, or very much of it, since I'll be 71 in a
couple of weeks, but I have several great grandchildren who might.

>james
>
>On 21 Sep 2005 at 22:19, Gene Heskett wrote:
>
>Date sent:       Wed, 21 Sep 2005 22:19:07 -0400
>From:            Gene Heskett <gene.heskett at verizon.net>
>Subject:         Re: [Coco] Rita heading towards CoCo3.com :)
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>> There is 18.something percent less sea ice in the arctic
>> than ever before at this time of the year right now.  Normally it
>> recovers during the long arctic winter nights, it has not
measurably
>> recovered for 3 years now.  Global sea levels, if all the ice
sheets
>> melt, will be raised by 7 to 9 meters.  Greenland will finally be
>> green.  Iceland might have to change its name.  Holland, if they
want
>> to survive, will need to raise the top of their dikes by that
amount,
>> ditto for New Orleans since Lake Ponchartrain will become part of
the
>> much enlarged Gulf of Mexico.

-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
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Copyright 2005 by Maurice Eugene Heskett, all rights reserved.