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Taking a Measure of Sea Level Rise: Gravimetry

Scientists measure ice’s gravitational pull on a pair of satellites, allowing them to estimate ice loss and its contribution to sea level rise.


NASA Earth Observatory images by Lauren Dauphin, using GRACE Monthly Land Water-Equivalent-Thickness Surface Mass Anomaly data from the Physical Oceanography Distributed Active Archive Center (PODAAC), and data from Wouters, Bert, et al. (2019). Animation by NASA’s Scientific Visualization Studio/Marit Jentoft-Nilsen. Story by Kathryn Hansen, with image and text support by Felix Landerer/NASA JPL, and Bert Wouters/TU Delft.

Published November 5, 2020
Data acquired December 31, 2016

Sources:
GRACE
GRACE-FO
Collection:
Sea Level Rise