ice

Arctic ice melting

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by Nathan Yau / December 27, 2019 / Arctic, Climate, ice, Maps, NASA

One way to gauge the amount of ice in the Arctic is to look at the average age of the ice. From the NASA Scientific Visualization Studio, the map above shows the estimated age of ice on a monthly basis, going back to 1984: One significant change in the Arctic region in recent years has been the rapid decline in perennial sea ice. Perennial sea ice, also known as multi-year...

Mapping ice layers with radar data

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by Nathan Yau / January 28, 2015 / ice, Mapping, NASA, weather

I don't know exactly how much data NASA has in the bank, but I think it's a lot. Explained in the video below, they estimated the age of ice layers in Greenland by flying a plane over the Greenland Ice Sheet and pulsing radar to gather information. Tags: ice, NASA, weather