Table 2.

Amplitude of GCM annual variations (mm).

Literature	Data	X	Y	Z
This paper	SLR(L1/L2)	1.7 ± 0.1	2.8 ± 0.1	4.4 ± 0.1
Altamimi et al. (2011) [9]	SLR(ILRS)	2.6 ± 0.1	3.1 ± 0.1	5.5 ± 0.3
Cheng et al. (2013) [41]	SLR(5 satellites)	2.7 ± 0.2	2.8 ± 0.2	5.2 ± 0.2
Ries et al. (2016) [35]	SLR(L1/L2)	2.8	2.5	5.8
Wu et al. (2010) [42]	GPS loading/OBP/ GRACE	1.8 ± 0.1	2.7 ± 0.1	4.2 ± 0.2
Wu et al. (2014) [43]	GPS loading/OBP/ GRACE	1.9	3.3	3.7