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NSIDC Scientific Expeditions
Scientists blog from Antarctica and provide a glimpse of what it's like to do research in the field. 
What's hot in the news around climate and sea ice and what are scientists talking about now? 
A team of researchers use sea ice concentration data at NSIDC to catch another massive phytoplankton bloom under thick Arctic sea ice in the Chukchi Sea.
NSIDC Home
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.
Arctic Sea Ice News & Analysis
Scientific analysis of Arctic sea ice conditions plus daily images..jpg)
ELOKA
Working together to understand the changing Arctic system..jpg)
Satellite Observations of the Arctic
Mapping decades of NASA scientific data.
The NASA DAAC at NSIDC
NASA Earth science data on snow, ice, cryosphere, and climate.
Visit the Cryosphere
Facts, photos and educational resources about Earth's frozen regions.
Greenland Today
Daily surface melt images from NASA data, and scientific analysis.News
10 December 2019
Indigenous Elders share their observations of a changing climate and its environmental impacts in Nome, Alaska, to include the first Indigenous perspective into the 2019 NOAA Arctic Report Card, released at the American Geophysical Union meeting in San Francisco on December 10, 2019.
31 October 2019
What defines a glacier? What are the world’s three largest glaciers? What are the largest glaciers in each region of the world? When NSIDC’s Ann Windnagel began investigating these questions, she found they were not as straightforward as she was expecting.
23 September 2019
Arctic sea ice likely reached its minimum extent for the year, at 4.15 million square kilometers (1.60 million square miles) on September 18, 2019, according to scientists at the National Snow and Ice Data Center (NSIDC) at the University of Colorado Boulder. The 2019 minimum is ranked at second lowest in the 40-year satellite record, effectively tied with 2007 and 2016.
25 September 2019
In 2009, Shari Fox of NSIDC, along with hunters, Elders, and research partners in Clyde River, created the Silalirijiit Project, linking Inuit knowledge with climate science and environmental modeling to better understand how weather patterns are changing in the Clyde River area.
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The Latest on Snow and Ice
7 January 2020
The year 2019 saw an early melt onset and high sea surface temperatures during summer in the Beaufort and Chukchi Seas. The September minimum extent ended up tied with 2007 and 2016 for second... read more
5 December 2019
Arctic sea ice extent for November 2019 ended up at second lowest in the 41-year satellite record. Regionally, extent remains well below average in the Chukchi Sea, Hudson Bay, and Davis Strait.... read more
11 November 2019
Daily melt extent mapping is suspended for the winter. Calibration of yearly melt detection requires analysis of the springtime snow conditions by a separate program. See our ... read more
8 November 2019
Low winter snow cover, springtime heat waves, and a sunny summer led to a large runoff of meltwater from the Greenland ice sheet in 2019, primarily from its western side.
Overview of... read more
