but gravity measurements of ice-mass loss are  complicated by glacial isostatic adjustments—compensation for the rise or fall of the underlying crustal material.
but gravity measurements of ice-mass loss are  complicated by glacial isostatic adjustments—compensation for the rise or fall of the underlying crustal material.
grace and grace-fo:34
grace and grace-fo
glacial isostatic adjustment—the slow rise of land masses once depressed by the weight of ice sheets from the last ice age—is chief among these signals.