Table 1 Background models used within the RL05 and RL06 GRACE gravity field processing
From: Mass-related excitation of polar motion: an assessment of the new RL06 GRACE gravity field models
Gravity field model | Mean gravity | Solid Earth tides | Ocean tides | Pole tide | Short-term variations | N body perturbations |
|---|---|---|---|---|---|---|
CSR RL05 | GIF48 | IERS 2010 | GOT4.8 | IERS 2010 (cubic) | AOD1B RL05 | DE 405 |
JPL RL05 | GIF48 | IERS 2010 | GOT4.7 | IERS 2010 (cubic) | AOD1B RL05 | DE 421 |
GFZ RL05 | EIGEN-6C | IERS 2010 | EOT11a | Constant mean pole | AOD1B RL05 | DE 421 |
ITSG-Grace2016 | GOCO04s | IERS 2010 | EOT11a | IERS 2010 (cubic) | AOD1B RL05 | DE 421 |
CSR RL06 | GGM05C | IERS 2010 | GOT4.8 | IERS 2010 (linear) | AOD1B RL06 | DE 430 |
JPL RL06 | GGM05C | IERS 2010 | FES2014b | IERS 2010 (linear) | AOD1B RL06 | DE 430 |
GFZ RL06 | EIGEN-6C4 | IERS 2010 | FES2014 | IERS 2010 (linear) | AOD1B RL06 | DE 430 |
ITSG-Grace2018 | ITSG-GraceGoce2017 | IERS 2010 | FES2014b + GRACE | IERS 2010 (linear) | AOD1B RL06 + LSDM | DE 421 |