ETideLoad4.5 program demo for Computation of Various Tidal and Polar Shift Effects on All Geodetic Elements

This computational framework employs an analytically rigorous system of geodetic and geodynamic algorithms. By utilizing unified numerical standards and coordinated geophysical models, it uniformly computes the effects of solid Earth tides, ocean tidal loading, atmosphere tidal loading, polar motion (rotation pole), figure pole variations, and center of mass (COM) variations on all types of geodetic elements – both on the ground and in space (external to the solid Earth)..

This capability serves as the critical foundation for the collaborative monitoring of diverse geodetic techniques and the deep fusion of multi-source heterogeneous Earth observation data. These programs are applicable to geodetic elements located either on the ground or external to the solid Earth.

Note on Terminology: A point external to the solid Earth generally refers to a spatial point not fixed to the solid Earth, such as those in oceanic space, near-Earth space, or at satellite altitudes. Geodetic elements marked with ⦿ in the following program interfaces are valid only when their sites are fixed to the solid Earth.