Chandler Wobble

It is change in the spin of Earth as it rotates on its axis, much as a toy top wobble as it spins.

  • It was discovered by Seth Carlo Chandler in 1890’s.
  • The time period to complete one wobble is around 433 days.
  • Wobble amounts to about 20 feet at the North Pole.
  • The possible causes could be fluctuating pressure on the bottom of the ocean, caused by temperature and salinity changes and wind-driven changes in circulation of the ....
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