read_GRACE_geocenter.py
Reads geocenter files and extracts dates and spherical harmonic data
- read_GRACE_geocenter.read_GRACE_geocenter(input_file)[source]
Reads monthly geocenter files computed using GRACE/GRACE-FO measurements and ocean models [Swenson2008] [Sutterley2019]
- Parameters
- input_file: str
input datafile with geocenter coefficients
- Returns
- C10: float
Cosine degree one/order zero spherical harmonics
- C11: float
Cosine degree one/order one spherical harmonics
- S11: float
Sine degree one/order one spherical harmonics
- time: float
mid-month date of range in year-decimal
- JD: float
mid-month date of range as Julian day
- month: int
GRACE/GRACE-FO month
References
- Swenson2008
S. Swenson, D. Chambers, and J. Wahr, “Estimating geocenter variations from a combination of GRACE and ocean model output”, Journal of Geophysical Research, 113(B08410), (2008). doi: 10.1029/2007JB005338
- Sutterley2019
T. C. Sutterley, and I. Velicogna, “Improved estimates of geocenter variability from time-variable gravity and ocean model outputs”, Remote Sensing, 11(18), 2108, (2019). doi: 10.3390/rs11182108