ocean_pole_tide

Reads ocean pole load tide coefficients provided by IERS as computed by Desai et al. (2002) and Desai et al. (2015)
See materials from Chapter 7 of the IERS Conventions
Ocean Pole Tide File

Calling Sequence

import pyTMD.io
import pyTMD.utilities
ocean_pole_tide_file = pyTMD.utilities.get_data_path(['data','opoleloadcoefcmcor.txt.gz'])
ur,un,ue,glon,glat = pyTMD.io.ocean_pole_tide(ocean_pole_tide_file)

Source code

pyTMD.io.ocean_pole_tide(input_file: str | pathlib.Path = PosixPath('/home/docs/checkouts/readthedocs.org/user_builds/pytmd/conda/latest/lib/python3.12/site-packages/pyTMD/data/opoleloadcoefcmcor.txt.gz'))[source]

Read real and imaginary ocean pole tide coefficients

Parameters

input_file: str: IERS map of ocean pole tide coefficients

Returns

ur: np.ndarray: radial ocean pole tide coefficients
un: np.ndarray: north ocean pole tide coefficients
ue: np.ndarray: east ocean pole tide coefficients
glon: np.ndarray: ocean grid longitude
glat: np.ndarray: ocean grid latitude

References

1: S. Desai, “Observing the pole tide with satellite altimetry”, Journal of Geophysical Research: Oceans, 107(C11), (2002). doi: 10.1029/2001JC001224
2: S. Desai, J. Wahr and B. Beckley “Revisiting the pole tide for and from satellite altimetry”, Journal of Geodesy, 89(12), p1233-1243, (2015). doi: 10.1007/s00190-015-0848-7