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Old April 25 2014, 09:06 PM   #6
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Re: large iceberg on its way

It displaces only its mass of water, so there should be no change to the water level at all. The expansion results in the tip of the iceberg that sticks above the water. Of course, if you consider the iceberg as an inseparable part of the water, the average water level has increased, because its tip is above sea level (i.e. if all the ocean was frozen, the surface would be higher).
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