Changes in Supraglacial Lakes on George VI Ice Shelf, Antarctic Peninsula: 1973–2020

• Main Authors: Barnes, Thomas James, Leeson, Amber Alexandra, McMillan, Malcolm, Verjans, Vincent, Carter, Jeremy, Kittel, Christoph
• Format: Text
• Language: English
• Published: 2021
• Subjects: Antarctic; Antarctic Peninsula; George VI Ice Shelf; High Lake; Antarc*; Ice Shelf
• Online Access: https://doi.org/10.5194/tc-2021-214; https://tc.copernicus.org/preprints/tc-2021-214/

High densities of supraglacial lakes have been associated with ice shelf instability and collapse. 2020 was a record melt year on George VI ice shelf with ~12 % of its northernmost portion being covered by lakes. We use 208 Sentinel-2 and Landsat-1-8 satellite images from the past 47 years, together...