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Antarctica

Posted inNews

Una nueva pista sobre el colapso de la plataforma de hielo antártica

by Jenessa Duncombe 10 May 202210 May 2022

Un tipo particular de tormenta coincidió con 13 de los 21 eventos recientes de desprendimiento en la Antártida.

Posted inNews

A New Clue to Antarctic Ice Shelf Collapse

by Jenessa Duncombe 22 April 202210 May 2022

A particular kind of storm coincided with 13 of the 21 recent calving events in Antarctica.

Three figures from the paper showing a map of bedrock channels on the seafloor, an image of a remotely-operated vehicle, and an image of potholes.
Posted inEditors' Highlights

New Observations Reveal Ancient Subglacial Water Paths

by Olga Sergienko 13 April 20225 April 2022

Analyses of new shipboard and ROV observations of bedrock channels carved by floods and outbursts from subglacial lakes under Antarctica shed light on complex subglacial processes.

Parka-clad volunteers collecting a meteorite that fell in Antarctica
Posted inNews

Machine Learning Pinpoints Meteorite-Rich Areas in Antarctica

by Katherine Kornei 1 March 202210 May 2022

A new algorithm suggests that only a small fraction of meteorites present on the White Continent’s surface have been recovered to date.

An image from near Dumont d’Urville Station, a French scientific station in Adélie Land, Antarctica
Posted inResearch Spotlights

Probing the Mysteries of Deep, Dense Antarctic Seawater

by Sarah Stanley 23 February 202223 February 2022

Twelve freely drifting Deep Argo floats reveal year-round dynamics of bottom water flow in the Australian-Antarctic Basin.

A large iceberg floats amid a field of sea ice.
Posted inScience Updates

New Perspectives on the Enigma of Expanding Antarctic Sea Ice

by Edward Blanchard-Wrigglesworth, Ian Eisenman, Sally Zhang, Shantong Sun and Aaron Donohoe 11 February 2022

Recent research offers new insights on Antarctic sea ice, which, despite global warming, has increased in overall extent over the past 40 years.

A helicopter hovers in the foreground as meltwater pours from a waterfall over the edge of an ice shelf.
Posted inFeatures

The Uncertain Future of Antarctica’s Melting Ice

by Florence Colleoni, Tim Naish, Robert DeConto, Laura De Santis and Pippa L. Whitehouse 10 January 202210 January 2022

A new multidisciplinary, international research program aims to tackle one of the grand challenges in climate science: resolving the Antarctic Ice Sheet’s contribution to future sea level rise.

Iron-rich brine can be seen flowing from the Taylor Glacier during researchers’ 1969–1970 Antarctic field season.
Posted inNews

Charting the “Bloody” Brine Flows from an Antarctic Glacier

by McKenzie Prillaman 17 December 202117 December 2021

Photographs and field observations yield a more complete historical record of the ebbs and flows of the so-called Blood Falls on Taylor Glacier.

The meeting point of the Pacific Ocean and the Tasman Sea
Posted inResearch Spotlights

Current History: Exploring the Past of the Tasman Leakage

by Elizabeth Thompson 17 November 20211 February 2022

A new study sheds light on an important Pacific-to-Atlantic connecting current, including the global changes that led to its flowing that ushered in near-modern ocean circulation.

Image of a bearded and gloved man, Robert Mulvaney, with ice inside a metal corer.
Posted inNews

Māori Arrival in New Zealand Revealed in Antarctic Ice Cores

by Kate Evans 26 October 202121 March 2022

A new study shows smoke from fires set by the first inhabitants of Aotearoa from around 1300 left a mark in the ice 6,000 kilometers away, on an island off the Antarctic Peninsula.

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