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UT1 modelling
Models for UT1 
Earth rotation component Tidal gravitational forcing
(moon-sun-planets)
Oceans Atmosphere Other geophysical effect (fluid core / ice sheet ...)
UT1 / LOD

>2 days
Effect of zonal gravimetric tides
IERS 1996

IERS 2003
interactive model

UT1 / LOD

Diurnal and subdiurnal

 

tidal

  • IERS 1996


  • IERS 2000


  • non tidal

  • de Viron et al. 2002

  • Brzezinski, Bizouard Petrov (2002)
  •