Snow and Ice

Taking Stock of Edgy Parts of Greenland
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Taking Stock of Edgy Parts of Greenland

Loss of ice at the periphery of the Greenland Ice Sheet was often discounted; recent research suggests it should not be.

Published Sep 30, 2022

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

Arctic Sea Ice Tied for 10th-Lowest on Record
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Arctic Sea Ice Tied for 10th-Lowest on Record

The summer 2022 extent of Arctic sea ice continued the downward trend under way since the 1980s.

Published Sep 22, 2022

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

New Zealand’s Mount Ruapehu
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New Zealand’s Mount Ruapehu

A lake at the summit of the volcano provides the main clues to what is happening below.

Published Sep 18, 2022

Image of the Day Land Snow and Ice

Late Season Melting in Greenland
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Late Season Melting in Greenland

Some scientists think the widespread late-season melting could have implications for the ice sheet’s near future.

Published Sep 9, 2022

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

Snow Cover
Global Maps

Snow Cover

Snow and ice influence climate by reflecting sunlight back into space. When it melts, snow is a source of water for drinking and vegetation; too much snowmelt can lead to floods. These maps show average snow cover by month.

Mar 2000 — Aug 2022

Snow and Ice