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Table 2 Empirical standard deviations (mas) of the RL05 and RL06 GRACE-based equatorial effective angular momentum functions

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

 

\(\chi _1^{{\rm mass}}\)

\(\chi _2^{{\rm mass}}\)

CSR RL05

4.4 (10%)

3.2 (7%)

JPL RL05

5.3 (12%)

4.2 (9%)

GFZ RL05

7.3 (16%)

3.5 (7%)

ITSG-Grace2016

3.8 (8%)

3.1 (7%)

CSR RL06

2.2 (6%)

1.9 (4%)

JPL RL06

2.6 (7%)

2.3 (5%)

GFZ RL06

3.9 (11%)

4.0 (9%)

ITSG-Grace2018

2.2 (6%)

2.3 (5%)

  1. The smallest empirical standard deviations of the RL05 and RL06 solutions are marked in italics