The current estimate is that 1000 km3 of ground water are pumped out every year and that this contributes about 1.0 mm/yr to the rising sea level.
The surface area of the ocean is 3.36 x 108. 1000 km3 divided by the ocean surface area = 2.96 mm/yr. Assuming that about a third either evaporates or runs off, viola (that's french for "there it is") 1.0 mm/yr.
Friday, July 6, 2012
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