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Red and green snow algae increase snowmelt in the Antarctic Peninsula

Spotlight

Red and green algae that grow on snow in the Antarctic Peninsula (AP) cause significant extra snowmelt on par with melt from dust on snow in the Rocky Mountains, according to a first-of-its-kind scientific research

Announcing Antarctica Today

Analysis - Ice Sheets Today

As the Southern Hemisphere enters into the full of swing of summer, parts of the Antarctic Ice Sheet are experiencing surface melting.

Downloads of ICESat-2 Data Files Hit 10 Million

Spotlight

In September 2018, NASA launched the Ice, Cloud and land Elevation Satellite-2 (ICESat-2) to help scientists investigate why and how much the frozen parts of our world are changing as a result of globa

Ho, ho, ho-hum December

Analysis - Sea Ice Today

The Arctic climate was extraordinary in 2020, but the year ended with a less spectacular December.

Persistently peculiar

Analysis - Sea Ice Today

Entering December, which is the start of winter in the Northern Hemisphere, sea ice extent remains far below average, dominated by the lack of ice on both the Pacific and Atlantic sides of the Arctic Ocean.

Greenland's 2020 melt season in review

Analysis - Ice Sheets Today

The 2020 melt season in Greenland is over, finishing thirteenth for cumulative melt-day extent in the 42-year satellite record. Melt extent was greater than any year prior to 2002, with about 70 percent of the ice sheet experiencing some melting.

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