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Arctic

A dark, moody image of ice parcels floating in the Arctic on a cloudy day
Posted inNews

The Survival of Arctic Sea Ice May Depend on Its Travel Routes

by Mahima Samraik 9 December 20249 December 2024

Researchers find that the motions of ice parcels determine which ones survive the annual summer melt.

Scientists stand atop Arctic ice.
Posted inFeatures

The Arctic’s Uncertain Future

by Grace van Deelen 15 November 202415 November 2024

Over the next century, the Arctic will change and look much different than it does today. Just how different is still unknown.

A person in a blue jacket is dwarfed by a gray cliffside of thawing permafrost.
Posted inResearch Spotlights

Thawing Permafrost Is Affecting Climate, but It’s Unclear by How Much

by Saima May Sidik 29 October 202429 October 2024

Models produce widely varying estimates of how ecosystems in the northern permafrost region are currently affecting the global greenhouse gas budget.

A coastline is seen from above. The area is mostly covered in greenery, but what appears to be a large landslide has uncovered gray soil that is falling into the blue ocean.
Posted inResearch Spotlights

Down in the Slumps: Tracing Erosion Cycles in Arctic Permafrost

Aaron Sidder, freelance science writer by Aaron Sidder 21 October 202421 October 2024

Climate change is altering permafrost thaw cycles and leading to unique Arctic erosional problems.

Two side-by-side images show a glacier and mountain before and after a rockslide.
Posted inNews

Finding the Frequency of a Fjord

by J. Besl 9 October 202415 October 2024

A massive tsunami churned up a mysterious 9-day noise in East Greenland. As the climate warms, more fjords may start singing.

Field photos of the study area.
Posted inEditors' Highlights

The Delicate Balance of Permafrost in Arctic River Floodplains

by Susan Trumbore 3 October 20241 October 2024

To evaluate the vulnerability of permafrost in Arctic floodplain landscapes to warming, scientists explore dynamics of its loss and reformation.

Two short stretches of fencing beside piled snow amid an open stretch of land, with mountains in the distance.
Posted inScience Updates

Simulating Arctic Carbon Emissions in a Warming World

by Jeralyn Poe, Jon Wells, Christina Schädel, Deborah N. Huntzinger and William J. Riley 2 October 20242 October 2024

Not all climate models include carbon from thawing permafrost, and those that do often disagree. Scientists are working to better inform models and assess how these crucial materials are simulated.

Figure from the paper.
Posted inEditors' Highlights

Air-Ice-Ocean Coupling Observed in an Arctic Cyclone Event

by Yongyun Hu 10 September 20244 September 2024

New observations show detailed features of the ice-ocean response to a strong Arctic cyclone in the winter of 2019-2020.

Satellite image of the Barents Sea in the Arctic, with a blue phytoplankton bloom curving across the ocean
Posted inResearch Spotlights

The Many Adventures of Nitrogen in the Arctic Ocean

by Emily Dieckman 9 August 20248 August 2024

New research reviews how our atmosphere’s most abundant element cycles through the Arctic Ocean—and how climate change could affect the process.

A 360° image of the night sky with a dark green hue
Posted inNews

Scientists Captured the First Glimpse of a Rare Polar Aurora

Javier Barbuzano, Science Writer by Javier Barbuzano 8 August 20248 August 2024

After a decade-long search, scientists captured a type of elusive aurora on camera.

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ARMing SCREAM with Observations to Expose Cloud Errors

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