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Table 5 RMS differences (mas)/correlation coefficients between the GRACE-based equatorial effective angular momentum functions for the oceanic mass effect and ocean model results

From: Mass-related excitation of polar motion: an assessment of the new RL06 GRACE gravity field models

  \(\chi _1^{O}\) \(\chi _2^{O}\)
ECCO (OAM) ESMGFZ (OAM+SLAM) ECCO (OAM) ESMGFZ (OAM+SLAM)
CSR RL05 5.5/0.49 4.4/0.72 6.0/0.61 6.0/0.66
JPL RL05 8.3/0.35 6.8/0.64 7.7/0.41 6.8/0.60
GFZ RL05 5.7/0.51 4.9/0.69 6.8/0.50 6.7/0.58
ITSG-Grace2016 5.3/0.58 4.0/0.79 6.5/0.54 6.1/0.65
CSR RL06 4.6/0.60 3.9/0.76 5.7/0.66 5.2/0.75
JPL RL06 5.0/0.57 4.4/0.71 5.9/0.63 5.4/0.74
GFZ RL06 5.3/0.58 4.8/0.69 6.2/0.58 5.2/0.76
ITSG-Grace2018 4.5/0.62 3.9/0.76 5.5/0.68 5.0/0.78
  1. Trends have been removed prior to the determination of the RMS differences and correlation coefficients
  2. The smallest RMS differences and largest correlation coefficients of all GRACE solutions are marked in italics