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Landsat 'Sees in the Dark' the Evolution of Antarctica’s Delaware-sized Iceberg

Landsat 'Sees in the Dark' the Evolution of Antarctica’s Delaware-sized Iceberg

[Source: Maria-Jose Vinas Garcia, NASA’s Earth Science News Team]
As Antarctica remains shrouded in darkness during the Southern Hemisphere winter, the Thermal Infrared Sensor (TIRS) on Landsat 8 captured a new snap of the 2,240-square-mile iceberg that split off from the Antarctic Peninsula’s Larsen C ice shelf on July 10-12. The satellite imagery is a composite of Landsat 8 as it passed on July 14 and July 21 and shows that the main berg, A-68, has already lost several smaller pieces. The A-68 iceberg is being carried by currents northward out of its embayment on the Larsen C ice shelf. The latest imagery also details a group of three small, not yet released icebergs at the north end of the embayment.

thermal image of Larsen C
Landsat 8 thermal infrared image of the Larsen C ice shelf. Image credits: NASA Goddard/UMBC JCET, Christopher A. Shuman

progression of Larsen C iceberg formation
For more information:
+ Massive Iceberg Breaks Off From Antarctica​
+ Here’s how we were able to see that giant chunk of ice break off of Antarctica, Popular Science

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