MODELLING THE EARTH'S ROTATION

Tabulated models for the Earth orientation / rotation parameters variations

Useful constants | IERS Conventions | Tidal variations in LOD

Compilation done by Ch. Bizouard (Observatoire de Paris) and
Laura Fernandez (Facultad de Ciencias Astronomicas y Geofisicas La Plata Argentina).

Send your comments to christian.bizouard[at]obspm.fr.
Permanent improvements and adds

Earth rotation component	Tidal gravitational Oceanic forcing Atmospheric forcing Empirical astrometric models forcing (moon-sun-planets)
NUTATIONS (> 2 days)	click-here (nutation models)
POLAR MOTION AND ITS EFFECTS (pole tide,...) from 6 hours to 100 years	click-here
UT1 / LOD from 100 years to 6 hours	click-here

Useful constants in geodesy, gravimetry, physics, astronomy : click here

IERS CONVENTIONS

IERS CONVENTIONS CENTER

IERS CONVENTIONS 1996

IERS CONVENTIONS 2003

Astronomical and geophysical models with associated softwares :

SOFA: Standards of Fundamental Astronomy (Astronomical Sofware packages recommanded by IAU)