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permafrost

Map and graph from the paper.
Posted inEditors' Highlights

Radar Surveys Reveal Permafrost Recovery After Wildfires

by Alberto Montanari 4 September 20254 September 2025

Boreal-permafrost systems are still resilient against wildfires, but continuous and long-term monitoring is needed to control the impact of climate change.

A satellite image of a river becoming a fan-shaped delta and then draining into the ocean.
Posted inResearch Spotlights

Arctic Rivers Trade Inorganic Nitrogen for Organic

by Saima May Sidik 6 August 20256 August 2025

Climate change is shifting the makeup of a key nutrient in rivers across Russia, Alaska, and Canada, with the potential for ecosystem-wide impacts.

Gray-brown cliffs with spires next to a body of water
Posted inNews

Cave Deposits Reveal a Permafrost-Free Arctic

by Kaja Šeruga 4 August 20254 August 2025

Mineral cave deposits from northern Siberia show that the region was permafrost free during the late Miocene period, when Earth was warmer than today.

Photo of a valley with a dark water tracks leading to a sinuating river.
Posted inEditors' Vox

Water Tracks: The Veins of Thawing Landscapes

by Joanmarie Del Vecchio and Sarah G. Evans 25 June 202525 June 2025

Tracing and tracking change in permafrost flowpaths could reveal the dynamics of warming poles.

Photo of a mountainous region with a rock glacier and pool of water in front.
Posted inEditors' Vox

Rock Glacier Velocity: Monitoring Permafrost Amid Climate Change

by Yan Hu and Reynald Delaloye 3 June 20252 June 2025

The movement of unique landforms called “rock glaciers” give insight into how climate change is impacting permafrost in mountainous regions.

Aerial photo of Arctic ponds.
Posted inEditors' Highlights

Beyond Up and Down: How Arctic Ponds Stir Sideways

by Valeriy Ivanov 13 May 20257 May 2025

Contrary to common assumptions, Arctic ponds mix in more than one direction. A new study finds that nighttime sideways flows, not vertical mixing, renew bottom waters.

Una montaña, un glaciar y el cielo azul se ven refleados en un tranquilo lago.
Posted inResearch Spotlights

Los lagos y estanques de Alaska revelan los efectos del derretimiento del permafrost

by Saima May Sidik 21 March 202521 March 2025

Un nuevo conjunto de datos proporciona un método poderoso para rastrear fácilmente los cambios en el permafrost.

A mountain, glacier, and blue sky are reflected in the surface of a calm lake.
Posted inResearch Spotlights

Alaska’s Lakes and Ponds Reveal Effects of Permafrost Thaw

by Saima May Sidik 19 February 202521 March 2025

A new dataset provides a powerful method for easily tracking changes in permafrost.

Google Earth image of a part of the the study by Booth and Pétursson (2025) into Holocene bedrock landslide occurrence around Eyjafjörður, North-Central Iceland. The image shows multiple bedrock landslides.
Posted inThe Landslide Blog

The timing of landslides in areas of permafrost thawing

by Dave Petley 27 January 202527 January 2025

The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. There is a no scientific doubt that human activity is driving rapid warming of the terrestrial climate, and that this is amplified in high latitude and high mountain environments. An inevitable, and […]

Map from the article.
Posted inEditors' Highlights

Filling the Gaps: Context and Design of Arctic Carbon Flux Measurement Networks

by Patrick Crill 24 January 202524 January 2025

Large scale observational networks are necessary for understanding the impact of a warming climate in the Arctic, but critical tools are crucial to how those networks are designed.

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