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Table 1 Trends in GAO, GRACE-based HAM/CAM (GSM, TWS, MAS land, and MAS global) and SLR-based HAM/CAM together with their errors. For GAO, the trends are given before and after removing the GIA signals

From: Evaluation of hydrological and cryospheric angular momentum estimates based on GRACE, GRACE-FO and SLR data for their contributions to polar motion excitation

 

Trend (mas/year)

χ1

χ2

GAO (without GIA removed)

+ 5.57 ± 0.59

− 0.72 ± 1.02

GAO (with GIA removed)

+ 4.55 ± 0.59

+ 3.88 ± 1.02

GSM

+ 6.64 ± 0.58

− 2.29 ± 0.58

TWS

+ 2.89 ± 0.38

+ 2.16 ± 0.53

MAS land

+ 4.05 ± 0.44

+ 2.04 ± 0.67

MAS global

+ 5.58 ± 0.66

+ 2.90 ± 0.99

SLR

+ 6.23 ± 0.47

− 1.84 ± 0.61