PM modelling

Models for polar motion
	Luni-solar tidal forcing	Ocean loading	Atmospheric loading	Continental water loading or unknown cause
POLAR MOTION Diurnal and subdiurnal* Solid Earth quasi-elastic response	Brzezinski et al. 2002	tidal IERS 1996 IERS 2010 non tidal Brezinski et al. 2004	thermal + tidal Brzezinski et al. 2002
POLAR MOTION > 2 days Solid Earth quasi-elastic response	Brzezinski et al. 2002	tidal PM and its excitation: Dickman, Weiss, and empirical models, Tab 1 of Gross (2008)
POLAR MOTION Decadal and secular Solid Earth Visco-elastic response				Markowitz wobble Secular polar motion
* Only prograde diurnal terms of the polar motion are considered, retrograde diurnal components are actually estimated as nutation offsets. Semidiurnal, terdiurnal and other subdiurnal terms are composed of both prograde and retrograde parts.
Polar motion effects
	Solid Earth quasi-elastic contribution (solid Earth pole tide) From 2 days to ~ 20 years	Hydrostatic ocean contribution (ocean pole tide) From 10 days	Secular / multi-decadal polar motion (post-glacial rebound,...) From ~ 20 years
On degree 2 geopotential (or off-diagonal inertia moment)	IERS 2010 - Chapter 6.4: Eq. 6.22	IERS 2010 - Chapter 6.5 (Eq. 6.23a/b and 6.24) from Desai model (2002) Eq. 24	IERS 2010 polynomial trend Chapter 6.2 (Eq. 6.5) and Chapter 7 (Eq. 7.25)
On solid Earth deformation	Solid Earth pole tide IERS 2010 Update: Chapter 7.1.4: Eq. 7.23 + 7.22/7.24)	Ocean pole tide loading for periods < 20 years: --> IERS 2010 Update: Chapter 7.1.5	Mean pole