As water moves around the planet—flowing ocean currents, melting ice, falling rain and so on—it changes the gravitational pull ever so slightly. Track Earth's vital signs from space and fly along with NASA's Earth-observing satellites in an interactive 3D visualization.


See how climate change has affected glaciers, sea ice, and continental ice sheets.

"But we also observe a mass gain in the Atlantic sector of East Antarctica caused by an uptick in snowfall, which helps mitigate the enormous increase in mass loss that we have seen in the last two decades on other parts of the continent. NASA's Delta-X heads to the delta to figure out why. The GRACE mission concluded science operations in June 2017. GRACE-FO, based on similar technology and designed to continue the data record of its predecessor, launched in May 2018.

The Gravity Recovery and Climate Experiment (GRACE) refers to a pair of NASA satellites that has flown in low-Earth orbit since 2002. I am using TRMM satellite data which provides gridded 0.25 x 0.25-degree estimates. This website is produced by the Earth Science Communications Team at NASA sea-level scientists gave a detailed portrait of a changing Earth at a recent conference in San Francisco. The joint U.S.-European mission to study the effects of global warming on the ocean has a new name to honor Michael Freilich, the former head of NASA's Earth Science division. GRACE Follow-On began data … This data record includes the latest data processing improvements and is continually updated as more data are collected (with a lag of up to two months). Velicogna was pleased with the results. The GRACE retrievals contain new SSM information relative to the microwave satellite data and provide a potential solution to improve the microwave data over densely vegetated surfaces or areas with high radio frequency interference. The Sentinel-6/Jason-CS satellite mission will add to a long-term sea level dataset that's become the gold standard for climate studies from orbit.
GRACE, GRACE-FO Satellite Data Track Ice Loss at the Poles During the exceptionally warm Arctic summer of 2019, Greenland lost 600 billion tons of ice—enough to raise global sea levels by nearly a tenth of an inch (2.2 millimeters) in just two months, a new study shows. The two regions have lost 6.4 trillion tons of ice in three decades; unabated, this rate of melting could cause flooding that affects hundreds of millions of people by 2100. Gravity Recovery and Climate Experiment (GRACE) ... the front satellite sped up and the distance between the pair increased. Travel through Earth's recent climate history and see how increasing carbon dioxide, global temperature and sea ice have changed over time. GRACE, GRACE-FO satellite data track ice loss at the poles Greenland's Steenstrup Glacier, with the midmorning sun glinting off the Denmark Strait in the background. Data from NASA's GRACE and GRACE Follow-On satellites show that the land ice sheets in both Antarctica (upper chart) and Greenland (lower chart) have been losing mass since 2002. During the exceptionally warm Arctic summer of 2019, Greenland lost 600 billion tons of ice—enough to raise global sea levels by nearly a tenth of an inch (2.2 millimeters) in just two months, a new study shows.Led by scientists at NASA's Jet Propulsion Laboratory and the University of California, Irvine, the study also concludes that Antarctica continues to lose mass, particularly in the Amundsen Sea Embayment and the Antarctic Peninsula on the western part of the continent; however, those losses have been partially offset by gains from increased snowfall in the northeast.

"In Antarctica, the mass loss in the west proceeds unabated, which will lead to an even further increase in sea level rise," Velicogna said. As sea levels rise, some areas of the Mississippi Delta are drowning, while others are actually gaining mass.

Data source: Ice mass measurement by NASA's GRACE satellites.

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