Mean equatorial gravity
[`(g)]e\bar g_e
has been computed from geopotential models GEM-10C, GEM-7, GEM-T1, GEM-T2, GEM-T3, JGM-1, JGM-2, JGM-3 and OSU91A and compared to the normal equatorial gravity,
e=978 032·699 × 10
–5 m s
–2, computed from four given parameters defining the Earth's level ellipsoid. In all models g
e>
e.
Keywords geopotential models - gravity equatorial