An interpretation of non-tidal acceleration of Earth rotation by post-glacial rebound.

Details An interpretation of non-tidal acceleration of Earth rotation by post-glacial rebound. An interpretation of non-tidal acceleration of Earth rotation by post-glacial rebound.

Sep 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996acasn..37..313y&link_type=abstract

Acta Astron. Sin., Vol. 37, No. 3, p. 313 - 319

Astronomy and Astrophysics

Astronomy

Earth Rotation: Variations

Scientific paper

Over the last 18000 years, the Earth's crust has been rebounding from the effects of the ice sheets associated with the last ice age. Post-glacial rebound and long term changes in ice sheet mass balance created secular changes in Earth's momentum of inertia, which led to the non-tidal component of the acceleration of rotation. The result and discussion in this paper show that the post-glacial rebound can be used to interpret the observed non-tidal acceleration of Earth's rotation. However, a more accurate value of lower mantle viscosity depends on further analysis of the post-glacial rebound of crust with modern space geodetic data.

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