The goal of this package is to generate synthetic earth tides for use in the R programming language and in particular environmental models. Code was parallized and refactored to minimize duplication, and to allow for future improvements.
You can learn about the earthtide package in the vignettes:
browseVignettes(package = "earthtide")
Hartmann, T., Wenzel, H.-G., 1995. The HW95 tidal potential catalogue. Geophys. Res. Lett. 22, 3553<U+2013>3556. 10.1029/95GL03324
Kudryavtsev, S.M., 2004. Improved harmonic development of the Earth tide-generating potential. J. Geod. 77, 829<U+2013>838. 10.1007/s00190-003-0361-2
Wenzel, H.G., 1996. The nanogal software: Earth tide data processing package ETERNA 3.30. Bull. Inf. Mar<U+00E9>es Terrestres, 124, pp.9425-9439. http://www.eas.slu.edu/GGP/ETERNA34/MANUAL/ETERNA33.HTM
Useful links: