Tuesday, May 13, 2014

What if? Sea level

If the polar ice caps melt & the seas actually rise 10 feet, does that mean what's sea level now becomes below sea level?  Will the zero point be submerged under untold gallons of newly-risen ocean? Or will sea level be at sea level, but 10 feet higher than it had been?  The latter makes more sense to me, until you realize that every mountain, town, & scenic outlook would need new elevation measurements & signage.

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