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Old 26th Jun 2019, 20:02
  #299 (permalink)  
Join Date: Jan 2008
Location: Reading, UK
Posts: 10,785
Originally Posted by netstruggler View Post
I'll challenge you on that one. I think when floating ice melts the water levels do not change. The volume of the ice does reduce as it turns to water, but that is exactly compensated for by the ice originally above the waterline melting into the water.
Melting icebergs increase water levels (though not by very much).

Courtesy of New Scientist:

Fresh water, of which icebergs are made, is less dense than salty sea water. So while the amount of sea water displaced by the iceberg is equal to its weight, the melted fresh water will take up a slightly larger volume than the displaced salt water. This results in a small increase in the water level.

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