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Antarctica

Algae in the Great Calcite Belt may play an important role in fluctuating atmospheric carbon levels.
Posted inResearch Spotlights

Tiny Creatures Form Massive, Bright Ring Around Antarctica

by Sarah Stanley 26 January 201727 September 2022

Dense algae populations in the Great Calcite Belt could cause carbon dioxide release from the ocean into the atmosphere.

New research indicates the Antarctic Circumpolar Current is more powerful than scientists realized.
Posted inResearch Spotlights

Notorious Ocean Current Is Far Stronger Than Previously Thought

by E. Underwood 27 December 201612 January 2022

The Antarctic Circumpolar Current is the only ocean current to circle the planet and the largest wind-driven current on Earth. It's also 30% more powerful than scientists realized.

PG5 is one of the most remote sites in the Autonomous Adaptive Low-Power Instrument Platforms (AAL-PIP) array
Posted inScience Updates

Space Weather from a Southern Point of View

by M. D. Hartinger, C. Robert Clauer and Z. Xu 27 October 201616 November 2021

A recently completed instrument array in Antarctica provides a more complete understanding of the near-Earth space environment.

Posted inResearch Spotlights

Air-Sea Interactions Influence Major Southern Wind Belt

by Sarah Stanley 13 September 201612 January 2022

Ocean and atmospheric data provide evidence for how sea surface temperatures affect the Southern Annular Mode.

Elephant seals, one with a scientific instrument glued to its head.
Posted inNews

Elephant Seals' Dives Show Slowdown in Ocean Circulation

by JoAnna Wendel 23 August 20168 June 2022

Data from instruments mounted on elephant seals reveal that melting ice flushes fresh water into the Southern Ocean, suppressing an important arm of the global ocean circulation belt.

Measures of current and pressure in the Southern Ocean show their effect on the Antarctic Circumpolar Current.
Posted inResearch Spotlights

What Steers Antarctica's Largest Current?

by A. Branscombe 11 August 201622 July 2022

Scientists have observed that pressure from current-seafloor encounters drives the direction of the massive Antarctic Circumpolar Current in the Southern Ocean.

Wedell Sea ice source of Antarctic bottom water
Posted inResearch Spotlights

How Do the Deep Waters of the Antarctic Form?

by W. Yan 12 July 201619 July 2022

Researchers uncover new insights into the life cycle of water in the Antarctic region by measuring noble gas concentrations.

Antarctica’s-ozone-hole-in-September-2014-which-has-shrunk-by-4.5-million-kilometers-square-miles-since-2000
Posted inNews

Antarctica's Ozone Hole Is Healing, Scientists Say

by JoAnna Wendel 30 June 201629 March 2022

The ozone hole over Antarctica has shrunk by 16% since its peak in 2000, and some suspect it may disappear entirely by midcentury.

A wave glider takes flux measurements in the southern ocean.
Posted inScience Updates

New Approaches for Air-Sea Fluxes in the Southern Ocean

by S. Gille, S. Josey and S. Swart 13 May 201617 August 2022

Air-Sea Fluxes for the Southern Ocean: Strategies and Requirements for Detecting Physical and Biogeochemical Exchanges; Frascati, Italy, 21–23 September 2015

Posted inResearch Spotlights

Antarctica Gets a New Gravity Map

by Sarah Stanley 18 March 201628 October 2021

A comprehensive collection of variation in Earth's gravity could aid studies of the Antarctic geoid and of Antarctica's geology and ice sheet dynamics.

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EDITORS' VOX
Perspectives of Earth and Space Scientists
“New Directions for Perspectives of Earth and Space Scientists”
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