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Southern Ocean

Images of ice particles
Posted inEditors' Highlights

New Cloud and Precipitation Data Over the Southern Ocean

by Minghua Zhang 11 October 202211 October 2022

New measurements show the macro- and microphysical characteristics of the clouds and precipitation over the data-space regions of the Southern Ocean.

Iceberg in the Southern Ocean
Posted inResearch Spotlights

A New Look at Preindustrial Carbon Release from the Deep Ocean

Sarah Stanley, Science Writer by Sarah Stanley 18 August 202218 August 2022

New research could help inform future studies of how the release of carbon dioxide from the Southern Ocean might affect global climate change.

Posted inEditors' Highlights

Ice Begets Ice in the Clouds of the Southern Ocean

by Bjorn Stevens 17 March 202217 August 2022

Poorly understood ice multiplication processes, not aerosols, may determine the microphysical properties of climatologically important clouds over the Southern Ocean.

Microbes live in hydrothermal systems like this one on the East Pacific Rise.
Posted inResearch Spotlights

Hydrothermal Vents May Add Ancient Carbon to Ocean Waters

Sarah Stanley, Science Writer by Sarah Stanley 7 July 202116 February 2023

Data from a long-distance research cruise provide new insights into carbon cycling in the eastern Pacific and Southern Oceans.

Map of the Southern Ocean showing the flux of carbon dioxide determined from the USV measurements during the 196-day circumnavigation of Antarctica
Posted inEditors' Highlights

Robot Measures Air-Sea Carbon Dioxide Exchange in Southern Ocean

by J. Sprintall 22 February 202117 August 2022

Unique air and ocean surface observations of the Southern Ocean from a 22,000 km, 196-day circumnavigation around Antarctica by an Uncrewed Surface Vehicle.

Illustration of a coccolithophore against a blue background
Posted inResearch Spotlights

The Alkalinity Trap at the Bottom of the World

Elizabeth Thompson by Elizabeth Thompson 9 February 202117 August 2022

Tiny microorganisms in the Southern Ocean affect the way the rest of the world’s seas respond to carbon dioxide.

Seabird soars over a very stormy Southern Ocean
Posted inNews

Larger Waves in Store as the Planet Warms

Katherine Kornei, Science Writer by Katherine Kornei 9 July 202030 November 2022

By the end of the 21st century, waves will have gotten larger in some ocean basins, particularly the Southern Ocean, climate modeling reveals.

Maps showing observed (left) and simulated (right) subsurface ocean heat content changes in the Southern Ocean
Posted inEditors' Highlights

Explaining Cold and Fresh Southern Polar Ocean Surface Waters

by P. Rizzoli 6 May 202017 August 2022

Global climate models do not reproduce observed trends of the Southern polar ocean surface, but an increase in wind-transported sea ice that melts and inhibits mixing may account for the disparity.

Metal drill going into ice hole
Posted inNews

A Subglacial Lake in Antarctica Churns Out Nutrients

Katherine Kornei, Science Writer by Katherine Kornei 8 April 202029 April 2022

Eight hundred meters below the West Antarctic Ice Sheet, microbes in subglacial Lake Whillans create organic carbon that helps power the Southern Ocean’s vast food chain.

An iceberg floats in the Southern Ocean.
Posted inResearch Spotlights

Ship-Based Measurements Overestimate Southern Ocean Carbon Sink

Kate Wheeling, freelance science writer by Kate Wheeling 19 November 201917 August 2022

New research suggests that combining ship- and float-based observations provides a more accurate measure of how much carbon the Southern Ocean absorbs.

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