Images related to Polynyas and the Pine Island Glacier, Antarctica

Thwaites Glacier Transformed
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Thwaites Glacier Transformed

The amount of ice flowing from the Antarctic glacier has doubled in the span of three decades, and scientists think it could undergo even more dramatic changes in the near future.

Published Feb 6, 2020

Image of the Day Snow and Ice

Pine Island Glacier, Antarctica
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Pine Island Glacier, Antarctica

The Pine Island Glacier has been the focus of scientific attention for many years. Large numbers of deep crevasses are a sign that parts of the glacier are moving rapidly.

Published Jan 11, 2008

Image of the Day Land Snow and Ice Sea and Lake Ice

Birth of an Iceberg
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Birth of an Iceberg

In a routine survey of Antarctica’s Pine Island Glacier, NASA scientists discovered a large crack in the ice which will soon lead to the birth of a new giant iceberg.

Published Nov 3, 2011

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Channel Beneath Pine Island Glacier
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Channel Beneath Pine Island Glacier

Scientists discovered a deepwater channel that could funnel warm water to the glacier's underbelly and melt it from below.

Published Jan 19, 2011

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Two Decades of Change at Pine Island Glacier
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Two Decades of Change at Pine Island Glacier

As this Antarctic glacier sheds huge icebergs more frequently, scientists are closely monitoring the retreat.

Published May 13, 2019

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Pine Island Glacier Quickly Drops Another Iceberg
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Pine Island Glacier Quickly Drops Another Iceberg

Calving that used to happen about every six years has become a near-annual event.

Published Nov 8, 2018

Image of the Day Snow and Ice Remote Sensing Sea and Lake Ice

New Ice Island at Pine Island Glacier
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New Ice Island at Pine Island Glacier

Thermal infrared imagery spots the cracks and a new ice island through the dark of the Antarctic winter night.

Published Jul 28, 2013

Image of the Day Snow and Ice Sea and Lake Ice

Looking Under Jakobshavn
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Looking Under Jakobshavn

A peek under the ice reveals a Grand Canyon-sized channel under the Jakobshavn glacier—one reason why the Greenland glacier contributes more to sea level rise than any other single feature in the Northern Hemisphere.

Published Nov 10, 2011

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Jakobshavn Glacier
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Jakobshavn Glacier

Where once two streams of ice merged in Greenland’s Jakobshavn Glacier, today there is division and a complex surface riddled with crevasses and melt ponds.

Published Dec 3, 2011

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Major Greenland Glacier Is Growing
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Major Greenland Glacier Is Growing

Jakobshavn Glacier has grown for the third year in a row, and scientists attribute the change to cool ocean waters.

Published Jun 18, 2019

Image of the Day Water Snow and Ice Remote Sensing

Denman Glacier Losing Some of Its Footing
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Denman Glacier Losing Some of Its Footing

Scientists are concerned about the stability of a glacier that could significantly raise sea level.

Published May 13, 2020

Image of the Day Heat Land Water Snow and Ice Remote Sensing

Jakobshavn Glacier Retreat
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Jakobshavn Glacier Retreat

Acquired in 2001 and 2010, these natural-color images show substantial retreat in the Jakobshavn Glacier.

Published Jul 15, 2010

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Ice Island Calves off Petermann Glacier
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Ice Island Calves off Petermann Glacier

Acquired July 22, 2010, this high-resolution image shows cracks on the surface of the Petermann Glacier in northwestern Greenland.

Published Aug 11, 2010

Snow and Ice Sea and Lake Ice

Pine Island Iceberg Breaking Loose
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Pine Island Iceberg Breaking Loose

The rift in the glacier is now completely open, and a large iceberg is moving out into Pine Island Bay.

Published Nov 14, 2013

Snow and Ice Sea and Lake Ice