The GRACE satellites detect gravity changes, but they cannot distinguish between mass changes on the surface (like melting glaciers) and mass changes deep inside the Earth (like the solid ground rising due to GIA).
The ongoing "rebound" or visco-elastic response of the solid Earth to the removal of massive ice sheets from the last Ice Age. gia grace
Global median relative uncertainty in GIA gravity rates is estimated at roughly 44%, driven by limitations in our knowledge of ice history and Earth's rheology. The GRACE satellites detect gravity changes, but they
GIA corrections are used to isolate "wetting" and "drying" trends in regional water storage, particularly in previously ice-covered regions like Canada . GIA corrections are used to isolate "wetting" and
To accurately measure current ice loss in Antarctica or Greenland, scientists must subtract the GIA signal from the total gravity signal measured by GRACE.
In scientific research, "GIA" and "GRACE" are often linked through the study of Earth's mass changes. This guide covers the relationship between and the Gravity Recovery and Climate Experiment (GRACE) mission. 1. Understanding the Core Concepts