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Rift and Calving at Larsen Ice Shelf

A-68 Adrift
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A-68 Adrift

Subtle features emerge as daylight illuminates the new iceberg from the Larsen C ice shelf.

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Daylight Returns to Larsen C
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Daylight Returns to Larsen C

Scientists are getting their first sunlit looks at the massive iceberg that broke away from Antarctica’s Larsen C ice shelf in July 2017.

Water Snow and Ice Sea and Lake Ice

A Fracturing Berg in the Polar Night
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A Fracturing Berg in the Polar Night

The iceberg that calved from the Larsen C ice shelf has broken into two named bergs, as well as a handful of pieces.

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Landsat Spots Birth of Iceberg A-68
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Landsat Spots Birth of Iceberg A-68

Thermal imagery shows the relative warmth between the new iceberg and the Larsen C ice shelf.

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Antarctic Ice Shelf Sheds Massive Iceberg
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Antarctic Ice Shelf Sheds Massive Iceberg

An iceberg about the size of Delaware has split off from the Larsen C ice shelf.

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A Crack of Light in the Polar Dark
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A Crack of Light in the Polar Dark

Even in the dark, there are satellite instruments that allow scientists to “see” the rift growing across Antarctica’s Larsen C ice shelf.

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The Making of an Iceberg
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The Making of an Iceberg

The impending birth of a big, new iceberg from Antarctica’s Larsen C Ice Shelf will not have an immediate effect on sea level, but it could be an indicator of future problems.

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The Most Studied Peninsula on Antarctica
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The Most Studied Peninsula on Antarctica

The northernmost arm of Antarctica is a hotspot of research because its retreating glaciers are a large contributor to sea level rise.

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Antarctica’s Changing Larsen Ice Shelf
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Antarctica’s Changing Larsen Ice Shelf

When this closely watched slab of floating ice births a giant iceberg, it will not be the first time it has seen dramatic change.

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Close Look at a Crack on Larsen C
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Close Look at a Crack on Larsen C

Scientists flew over a rift that’s growing across an ice shelf along the Antarctic Peninsula.

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Crack Advances Across Antarctic Ice Shelf
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Crack Advances Across Antarctic Ice Shelf

A rift along the Larsen C Ice Shelf grew longer during the Antarctic winter.

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Last Call for Larsen B
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Last Call for Larsen B

The remnant of Antarctica’s Larsen B Ice Shelf is flowing faster, becoming increasingly fragmented, and developing large cracks.

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Operation IceBridge Returns to Antarctica
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Operation IceBridge Returns to Antarctica

The MODIS instrument on NASA’s Aqua satellite captured this clear view of the Antarctic Peninsula, the Larsen Ice Shelf, and the sea ice covered waters around the region in October 2011.

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Fragments of Larsen B Ice Shelf Lingered Until 2005
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Fragments of Larsen B Ice Shelf Lingered Until 2005

Acquired in 2003, 2004,and 2005, these images show an intermittently ice-filled bay in the wake of the 2002 collapse of the Larsen B Ice Shelf on the Antarctic Peninsula.

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Larsen B Ice Shelf Collapse
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Larsen B Ice Shelf Collapse

The Larsen B ice shelf collapsed and broke away from the Antarctic Peninsula during February and March, 2002. The collapse is thought to have been accelerated by warm summer temperatures which caused meltwater to fill crevasses along the landward side of the Larsen shelf, leading to intensified pressures within the sheet structure.

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Larsen Ice Shelf, Antarctica
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Larsen Ice Shelf, Antarctica

Imagery shows pools of melt water on the surface of the Larsen Ice Shelf, and drifting icebergs that have split from the shelf.

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