Arctic

A visualized view of the Earth looking at the Arctic in 2023.

Using Satellites to Map Arctic Amplification

Caitlin Dempsey

Scientists are using remotely sensed data from Earth observation satellites to map and study Arctic amplification.

Shaded relief map showing the location of the Lena Delta above the Arctic Circle.

The Largest Delta in the Arctic

Caitlin Dempsey

The Lena Delta is a significant wildlife refuge and the largest delta in the Arctic.

Atmospheric Ozone Hole Over Arctic Region

Elizabeth Borneman

A combination of atmospheric factors have led to the creation of the lowest levels of ozone in a decade over the Arctic.

A polynya that has formed in an embayment where the Venable Ice Shelf meets Farwell Island in Antartica. Photo: John Sonntag/NASA, public domain.

What is a Polynya?

Caitlin Dempsey

Polynya is an oceanography term that refers to an open body of water surrounded by ice.

Dumbo octopus. Source: NOAA.

Life at the Entrance to the Arctic Ocean

Caitlin Dempsey

Researchers traveled to the Chukchi Borderlands to learn more about deep ocean life at the entrance to the Arctic Ocean.

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