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Melting Icebergs in Polar Oceans Causing Sea Level Rise Globally, New Assessment Finds http://apocadocs.com/s.pl?1272541553
Scientists have discovered that changes in the amount of ice floating in the polar oceans are causing sea levels to rise -- by a mere hair's breadth today, but possibly much more if melting trends continue.... According to Archimedes' principle, any floating object displaces its own weight of fluid. For example, an ice cube in a glass of water does not cause the glass to overflow as it melts. But because sea water is warmer and more salty than floating ice, changes in the amount of this ice are having an effect on global sea levels.
The loss of floating ice is equivalent to 1.5 million Titanic-sized icebergs each year. However, the study shows that spread across the global oceans, recent losses of floating ice amount to a sea level rise of just 49 micrometers per year -- about a hair's breadth.
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[Read more stories about:
arctic meltdown, rising sea level]
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