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sea ice

A red plane flies against clear blue skies over white ice. Mountains can be seen in the background.
Posted inResearch Spotlights

How Thick Is Antarctic Ice, and What Is Underneath?

by Saima May Sidik 22 February 202322 February 2023

Scientists used electromagnetic fields to determine the thickness of fast ice.

Una vista del Ártico congelado vista desde una elevación moderada. El paisaje contiene estanques de agua derretida distribuidos aleatoriamente. Cuatro científicos, pequeños y vistos desde la distancia, se paran sobre el hielo en la parte derecha de la imagen.
Posted inNews

El derretimiento del hielo marino del océano Ártico potencia las mareas

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 3 January 202327 January 2023

Si el cambio climático anula el ciclo estacional de hielo y deshielo, se desencadenaría un ciclo de retroalimentación de derretimiento del hielo marino en algunas partes del Ártico canadiense.

Photograph of Arctic sea ice
Posted inNews

Third-Wettest Year in Arctic Wraps Up

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 13 December 20227 March 2023

The annual Arctic Report Card charts the rise in rain in northern latitudes and serves as a new “vital sign” of the region’s shifting climate.

Aerial photograph showing melt ponds in a raft of sea ice. The shadow of the airplane is cast over the ice.
Posted inENGAGE, News

Satellites Get First Full-Year View of Arctic Sea Ice Thickness

by Erin Martin-Jones 20 October 202222 March 2023

The AI-based monitoring method may unlock data that could improve shipping safety and climate predictions.

View from a research ship overlooking an expanse of fractured sea ice under a sunny sky with high clouds.
Posted inResearch Spotlights

Capturing Ocean Turbulence at the Underbelly of Sea Ice

Sarah Stanley, Science Writer by Sarah Stanley 20 September 202220 September 2022

A specially designed instrument enabled researchers in the Arctic to measure turbulence within 1 meter of the interface where ice meets ocean.

Logs, sticks, and branches that washed up on the shores of Iceland are piled on a beach.
Posted inENGAGE, News

Melting Sea Ice May Mean the End of Driftwood in Iceland

Richard Sima, freelance science writer by Richard J. Sima 25 August 202224 March 2023

Driftwood floats thousands of kilometers from Siberia to Iceland, but it may drift no longer by 2060 due to climate change.

Two figures from the paper that show wave measurements in the presence of sea ice using satellite remote sensing.
Posted inEditors' Highlights

Satellites Remotely Measure Ocean Waves and Sea Ice Interactions

by Ryan P. Mulligan 12 July 202215 September 2025

A new method for using satellite observations from multiple sensors improves measurements of ocean waves as they propagate through and interact with sea ice.

A ship sails through sea ice.
Posted inNews

Arctic Shipping Routes Are Feeling the Heat

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 6 July 202218 October 2022

Climate science and the global shipping industry collide in an ice-poor Arctic.

Scientists collect samples from algal mats dotting the surface of sea ice in the Arctic.
Posted inNews

Algal Mats May Be a Key to the Arctic Food Web

by Fanni Daniella Szakal 27 June 20226 January 2023

Melt ponds in sea ice have thriving algal communities with startlingly high levels of photosynthetic activity.

Figures from the paper, showing simulated Ural blocking event.
Posted inEditors' Highlights

Arctic Sea Ice is Crucial for Forecasting Ural Blocking

by Yimin Liu 12 May 202221 December 2022

By solving the nonlinear optimization problem, sea ice concentration in Greenland, Barents and Okhotsk Seas is found crucial for prediction of strong and long-lasting Ural blocking formation.

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