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Antarctica

A drone hovers over a beach.
Posted inNews

Drones Make Weather Prediction Easier at the Poles

by Andrew Chapman 23 December 202223 December 2022

Researchers measured wind speed with a commercially available drone and a lightweight sensor. The approach could help scientists gather more data from remote environments.

Two graphs from the paper.
Posted inEditors' Highlights

Clumped 18O –18O in Ice Reveals Past Ozone and Wildfire

by Sarah Feakins 9 December 202218 May 2023

Reactive gases like ozone are hard to preserve, but clumped isotopes and models provide clues to past ozone and suggest a global increase in wildfire at megafaunal extinction.

A yellow submarine-shaped autonomous underwater vehicle hangs from a cable over the side of ship as technicians and scientists look on.
Posted inResearch Spotlights

Exploring a Warm Water Inflow Below an Antarctic Ice Shelf

Sarah Derouin, Science Writer by Sarah Derouin 5 December 20225 December 2022

Researchers guided an autonomous underwater submarine to capture the first direct observations of a warm water current flowing in below the Filchner-Ronne Ice Shelf in Antarctica.

Satellite view of an ice shelf and sea ice
Posted inResearch Spotlights

A Close Look at Melting Below Antarctica’s Largest Ice Shelf

Rachel Fritts, Science Writer by Rachel Fritts 28 October 202228 October 2022

Radar data reveal where, when, and how fast the base of the Filchner-Ronne Ice Shelf has been losing mass in recent years.

The research vessel Nathaniel B. Palmer studies the Thwaites Glacier in 2019.
Posted inNews

Seafloor Reveals a Period of Rapid Retreat for Thwaites Glacier

Javier Barbuzano, Science Writer by Javier Barbuzano 13 October 202225 January 2023

New high-resolution seafloor imagery shows a series of delicate ridges produced by the glacier’s front as it bobbed daily with the tides, revealing a recent period of rapid retreat.New high-resolution seafloor imagery shows a series of delicate ridges produced by the glacier’s front as it bobbed daily with the tides, revealing a recent period of rapid retreat.

Satellite photo of a massive ice shelf with a couple of large cracks
Posted inResearch Spotlights

Melting Below the Pine Island Ice Shelf Minds the Gap

Sarah Derouin, Science Writer by Sarah Derouin 3 October 20223 October 2022

New research shows that increased calving from West Antarctica’s Pine Island Ice Shelf will likely drive increased circulation of warm water—and melting—below the ice.

Illustration of wildfire and wetland forest during the end-Permian extinction interval.
Posted inNews

A Spike in Wildfires Contributed to the End-Permian Extinction

by Jackie Rocheleau 2 August 20225 June 2023

An upward trend in fossilized charcoal indicates that wildfires may have contributed to extinctions during the Great Dying.

Icebreaker at work near glacier.
Posted inNews

Seashells and Penguin Bones Reveal Thwaites Glacier’s Quiet Past

Javier Barbuzano, Science Writer by Javier Barbuzano 26 July 202226 July 2022

Antarctica’s Thwaites and Pine Island Glaciers are melting faster than they have in the past 5,500 years, new evidence shows. Against expectations, their pasts have been remarkably stable.

Allen Foster at the South Pole Telescope in summer 2019–2020
Posted inFeatures

Allen Foster: Greasing Telescope Gears During a 7-Month-Long Night

by Santiago Flórez 25 July 202222 December 2022

While overwintering in Antarctica, Foster maintains the South Pole Telescope facilities.

A snow-covered mountain summit contains a smoking crater.
Posted inNews

Unlocking the Magmatic Secrets of Antarctica’s Mount Erebus

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 22 June 202222 June 2022

Unprecedented images of Mount Erebus’s inner workings show the unique trappings of a CO2-rich rift volcano.

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