Table 1 Weighting schemes and names of combination models corresponding to weighting schemes.

From: Spatial-domain combination of GRACE monthly time-variable gravity models based on multiple weighting strategies and comparison of models’ performance in the Caspian Sea

Weighting scheme

Name of combination model

Equal

CMB (combination) arithmetic

Grid-wise

CMB grid

Field-wise

CMB field

VCE

CMB VCE

Oceanic accuracy

CMB accuracy

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