What is Geostrophy and its role in the Earth's core-mantle boundary?

[Cunicultor]

Geostrophy---> what is it?

Can someone leave some hints about this subject?...

What is in fact geostrophy, and what are the implications of a geostrophic flow at the core-mantle boundary?

Are there any articles available?

 

[LURCH]

http://www.agu.org/revgeophys/talley01/node5.html

 

[Andre]

Here is more, http://www.iers.org/iers/publications/tn/tn30/tn30_216.pdf
http://www.iers.org/iers/publications/reports/2001/ar2001_074.pdf
http://www.blackwell-synergy.com/links/doi/10.1046/j.1365-246X.2001.00535.x/abs/;jsessionid=c91sulqOtXYg
http://www.dsri.dk/~nio/papers/22.html


however it may seem that the authors overlooked some forces like the precession of the equinoxes.