[EMAIL PROTECTED] wrote:
> ii) at night, use some of the now-regained excess capacity on the
> electric grid to pump the water back up into the high reservoir
>
> causes (like the proverbial skater pulling her arms in and back
> out) a discernible variation in the Earth's rotation rate. I suppose
> excavating a large open-pit mine and piling the tailings up on higher
> ground would similarly cause a noticeable change. Sea levels rising
> due to global warming should cause a very noticeable change in the
> faster-rotation direction, if the ice that melted was originally
> at a significantly higher elevation than the resulting sea level.
> In fact, rotation-rate changes due to sea level change should be of
> a similar order of magnitude as those due to tectonics, but would
> occur on much shorter time scales. 'Tis fascinating stuff, albeit
> wildly off-topic...
>
> Cheers,
> -Ernst
>
Regarding the sea level warming:
You forget that most of the ice is on the poles, while the
water is so to say all around. The latitude plays also an important
role. So the earth will slow down, much like the proverbial skater
pulling her arms from above her head and stretch them out to the sides.
Kind Regards, Martijn
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