F-ckin Leap Seconds, how do they work?

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On Jul 5, 2012, at 8:14 AM, Marshall Eubanks <marshall.eubanks at gmail.com> wrote:
> 
> And, by the way, the deformations and exchanges of angular momentum
> that drive Earth rotation variations are probably the best understood
> global geophysical processes there are.  Absolutely no magic is
> required.


Not the tectonic ones.  The deeper geophysical ones yes, but tectonics is irregular.  We understand the underlying plate segment motions well but they express very irregularly over year-decade scales.


George William Herbert
Sent from my iPhone

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