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Frozen Ground

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Advancing knowledge of Earth's frozen regions

NSIDC manages and distributes scientific data, creates tools for data access, supports data users, performs scientific research, and educates the public about the cryosphere.

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Arctic Sea Ice News & Analysis

Scientific analysis of Arctic sea ice conditions plus daily images
ELOKA

ELOKA

Working together to understand the changing Arctic system
Snow Today

Snow Today

Scientific analysis of snow conditions in the Western United States plus daily images
The NASA DAAC at NSIDC

The NASA DAAC at NSIDC

NASA Earth science data on snow, ice, cryosphere, and climate
Visit the Cryosphere

Visit the Cryosphere

Facts, photos and educational resources about Earth's frozen regions
Greenland Today

Greenland Today

Daily surface melt images from NASA data, and scientific analysis

News

22 March 2022

Arctic sea ice has likely reached its maximum extent for the year, at 14.88 million square kilometers (5.75 million square miles) on February 25, according to scientists at the National Snow and Ice Data Center (NSIDC) at the University of Colorado Boulder. The 2022 maximum is the tenth lowest in the 44-year satellite record.

30 November 2021

More rain than snow will fall in the Arctic and this transition will occur decades earlier than previously predicted, a new study led by the University of Manitoba (UM) reports.

8 November 2021

Mountain and polar groups at the twenty-sixth United Nations Climate Change Conference of the Parties (COP26) are calling for more consideration of the dire global impacts that will result should governments not take greater action as the climate talks in Glasgow begin their second and final week.

22 September 2021

Arctic sea ice has likely reached its minimum extent for the year, at 4.72 million square kilometers (1.82 million square miles) on September 16, 2021, according to scientists at the National Snow and Ice Data Center (NSIDC) at the University of Colorado Boulder. The 2021 minimum is the twelfth lowest in the nearly 43-year satellite record. The last 15 years are the lowest 15 sea ice extents in the satellite record. 

14 September 2021

Each September, the National Snow and Ice Data Center (NSIDC) at the University of Colorado Boulder informs the public of the annual Arctic sea ice minimum extent, an indicator of how climate change is affecting the Arctic, the fastest-warming region of the globe.

Events

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The Latest on Snow and Ice

20 April 2022

Daily melt extent mapping for Greenland Ice Sheet has resumed, while mapping for the... read more

6 April 2022
March 2022 snow summary Snow-covered area for the western United States was 97 percent of average... read more
5 April 2022

After reaching its seasonal maximum extent of 14.88 million square kilometers (5.75 million... read more

22 March 2022

Arctic sea ice has likely reached its maximum extent for the year, at 14.88 million square... read more

9 March 2022
February 2022 snow summary Across the western United States, the snow cover maximum for 2022... read more

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