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Mass changes in Antarctica from satellite gravimetry and radar altimetry
A major issue that is currently affecting our society is the precise estimate of the present-day and future sea level rise. This estimate can be partly determined from the mass balance of glaciers and ice sheets distributed worldwide. Glaciers and ice sheets are mostly made of ice and snow from precipitation. Characterizing mass balances identifying the different processes that are involved, such as discriminating between mass loss due to dynamic thinning (ice) to mass loss resulting from a decrease in snow fall (snow), is fundamental to understand impacts of current climate change. This Ph.D. will focus on the Antarctic ice sheet. Indeed, every year, snow fall reaches about 6 mm of equivalent sea level rise. Therefore, any perturbation in precipitation can affect the sea level. Understanding interacting processes in Antarctica is a major concern.
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