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ocean circulation

An emperor penguin is standing on a sheet of ice with a row of other penguins sliding on their bellies.
Posted inEditors' Vox

Landfast Sea Ice: The Most Important Ice You’ve Never Heard Of

by Pat Wongpan and Alexander D. Fraser 22 August 202321 August 2023

Landfast sea ice, sea ice that is held stationary against the Antarctic continent, links firmly with many key climate processes, but its importance is only being fully realized as its extent dwindles.

Three global maps using color to indicate different data.
Posted inEditors' Highlights

A Multidecadal View of Oceanic Storage of Anthropogenic Carbon

by Susan Trumbore 17 August 202315 August 2023

A decline in the ratio of ocean carbon accumulation to atmospheric carbon dioxide growth between 1994-2004 and 2004-2014 suggests a reduction in the sensitivity of the ocean carbon sink.

A photo taken from a red ship next to waters with abundant sea ice
Posted inNews

Meltwater from Antarctic Glaciers Is Slowing Deep-Ocean Currents

by Veronika Meduna 26 July 202326 July 2023

Antarctic ice drives crucial deep-ocean currents that help regulate Earth’s climate. But the system is slowing down.

Maps showing the high-resolution ocean model ECCO.
Posted inEditors' Highlights

Going with the Flow: New Tool Improves Sea Level Projections

by Nicholas Golledge 4 May 20231 May 2023

By bringing together multiple data sources a new statistical method aims to improve the accuracy with which we might predict future ice melt in Greenland.

Graphs depicting water mass transformation.
Posted inEditors' Highlights

Diapycnal Mixing and the Atlantic Ocean Overturning Circulation 

by Eileen Hofmann 3 April 202330 March 2023

Quantitative observation-based estimates highlight the contribution of diapycnal mixing to the Atlantic Meridional Overturning Circulation, water mass formation, and tracer transfers and pathways.

Satellite image showing black water next to white ice with cracks
Posted inNews

Supercharged El Niño Could Speed Up Southern Ocean Warming

by Erin Martin-Jones 24 March 202324 April 2023

Projected changes to El Niño will likely accelerate warming of the deep oceans around the Antarctic, supplying heat that could drive ice loss and sea level rise.

Maps showing the composite average of “open” and “closed valve” conditions for the Labrador Current.
Posted inEditors' Highlights

Gulf Stream Closes the Valve of the Labrador Current

by Takeyoshi Nagai 17 March 202316 March 2023

Virtual particles released in the Labrador Current revealed that the westward penetration of the current into the shelf seas is inhibited by warm core rings emanating from the Gulf Stream.

Una nube de emisiones proveniente de torres industriales junto al mar se eleva al cielo brumoso de un atardecer dorado.
Posted inResearch Spotlights

El dióxido de carbono antropogénico es rastreado hacia el océano

Aaron Sidder, freelance science writer by Aaron Sidder 15 March 202315 March 2023

Con ayuda de un modelo de circulación oceánica, un equipo de investigadores logró etiquetar y rastrear el carbono emitido antropogénicamente para determinar si su destino es la atmósfera o el océano.

Schematic diagram showing the workflow presented in the paper.
Posted inEditors' Highlights

A New Approach to Spinning-Up Passive Tracers in Ocean Models

by Matthew Long 9 March 202317 March 2023

A new computational method enables finding steady-state distributions of tracers in ocean circulation models, opening opportunities for physical and biogeochemical insight.

Black hills covered in snow in front of a deep blue sea and tall white mountains.
Posted inResearch Spotlights

A Deeper Dive into Wintry, Carbon-Absorbing Antarctic Waters

Aaron Sidder, freelance science writer by Aaron Sidder 8 March 20238 March 2023

Cold surface water in the Southern Ocean is a critical component in ocean carbon uptake. A new study profiles it using state-of-the-art research techniques.

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