Extended Data Fig. 1: GRACE/GRACE-FO solutions for mass change and related uncertainties.

GRACE/GRACE-FO mass change time series for a, Arctic Canada North and b, Svalbard based on the data sets of the three SDS processing centres (GFZ RL06, CSR RL06 and JPL RL06), as well as their combination AV RL06 used throughout the study. Uncertainty of GRACE/GRACE-FO mass changes for c, Actic Canada North and d, Svalbard estimated for each of the 196 monthly solutions of the three SDS processing centres (GFZ RL06, CSR RL06 and JPL RL06), as well as for the combined solutions AV RL06 used throughout the study.