Science, Space and Technology News 2024
New observations reveal that warm seawater is flowing beneath Antarctica’s Thwaites Glacier, potentially accelerating catastrophic sea level rise within the next decade. Researchers are using advanced satellite imagery and modeling to study these changes, which could have severe consequences for global coastal regions. Credit: NASAFor the first time, visible evidence has been captured showing warm seawater pumping beneath Antarctica’s Thwaites Glacier, known as the Doomsday Glacier.
Screen shot of a 3D view of the tidal motion of Thwaites Glacier, West Antarctica recorded by the ICEYE Synthetic Aperture Radar constellation based on images acquired on May 11, 12, and 13, 2023. Contour levels are bed topography contours at 50 m interval. Each interferometric fringe color cycle is a 360-degree change in phase, equivalent to a 1.65 cm displacement in line-of-sight distance of the ice surface. The interferogram is overlaid on a Landsat 9 image acquired in February 2023.
Dr. Eric Rignot, lead author and professor of Earth system science at the University of California, Irvine hopes these results will lead to increased support for research examining the changes taking place beneath glaciers in Antarctica.
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