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Journal of Geophysical Research: Oceans

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A satellite image shows a river flowing into the ocean. The river is brown compared to the blue of the ocean, and it is distributing a plume of silt into the ocean. The landscape around the water is green.
Posted inResearch Spotlights

Forty Thousand Cubic Meters of Fresh Water Flow from the Congo into the Atlantic Every Second. A New Study Traces Where It Goes from There.

by Rebecca Owen 2 July 20262 July 2026

Researchers combined observations and modeling to track the movement of the Congo’s freshwater plume, noting that eddies play a significant role in the water’s transport.

A circular map centered around Antarctica shows the Southern Ocean surrounding the continent.
Posted inResearch Spotlights

How Internal Waves Transport Energy Thousands of Miles Across the Ocean

by Nathaniel Scharping 26 March 202626 March 2026

For the first time, researchers model energy fluxes from these large-scale underwater waves in and around the Southern Ocean.

A hole drilled through a glacier extends off into the darkness. A camera is being lowered into the hole. The photo is bathed in red light.
Posted inResearch Spotlights

A Long-Term Look Beneath an Antarctic Ice Shelf

by Nathaniel Scharping 6 March 20269 March 2026

More than 4 years of data from a borehole in the Ross Ice Shelf reveal supercooled water and more.

Two circular images show views from a kayak, one looking ahead and one looking behind. The image at left shows a glacier straight ahead, as well as the front of the kayak lined with orange flotation devices. The image at right shows the back of the boat and a clear trail of water through an area mostly covered with ice chunks.
Posted inResearch Spotlights

Melting Glaciers Mix Up Waters More Than We Thought

by Saima May Sidik 13 January 202623 January 2026

Existing theory underestimates the mixing of freshwater and seawater by up to 50%.

Photo of sand ripples underwater.
Posted inEditors' Highlights

A First Look at How Sand Behaves Inside a Rippled Bed

by Ryan P. Mulligan 11 September 202511 September 2025

A detailed numerical model shows how sediment particles experience wave-driven shear stress inside and above a sea bed with sand ripples.

Four warmly dressed scientists stand around a large metal rig taller than them that is drilling a hole into the ice they are standing on. More scientists stand in the background, and a crane is stretched over the metal rig, lowering a cable into the hole.
Posted inResearch Spotlights

Strong Tides Speed Melting of Antarctic Ice Shelves

by Saima May Sidik 8 September 20258 September 2025

Ocean currents along the underside of the ice are a major control over melting.

Figure from the paper.
Posted inEditors' Highlights

Equatorial Deep Ocean Response to the Madden-Julian Oscillation

by Xin Wang 27 August 202526 August 2025

The changes in Madden-Julian Oscillation wind can trigger a response in the deep equatorial Pacific and Indian Ocean.  

Photo of a buoy in a lake with mountains in the background.
Posted inEditors' Vox

Advances in Ecological Forecasting

by R. Quinn Thomas, Cayelan C. Carey, Eric R. Sokol, Melissa A. Kenney, Michael C. Dietze and Marguerite A. Xenopoulos 4 August 202531 July 2025

AGU and ESA invite contributions to a cross-society special collection on ecological forecasting across ecosystems and scales.

A group of more than a dozen penguins stand on a rocky shoreline. A glacier or snowy mountain is across the water not too far from them.
Posted inResearch Spotlights

Where Do Antarctic Submarine Canyons Get Their Marine Life?

by Rebecca Owen 18 June 202518 June 2025

A new study investigates how much of the phytoplankton in the Palmer Deep submarine canyon is homemade and how much is delivered.

Image of a Synechococcus elongatus
Posted inEditors' Highlights

Kuroshio Intrusions into Luzon Strait Increase Chlorophyll

by Takeyoshi Nagai 11 June 202510 June 2025

Using in-situ observational data, scientists reveal that Kuroshio intrusions through the Luzon Strait increase small phytoplankton in the South China Sea.

Posts pagination

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

Research Spotlights

Tracking 20 Years of Productivity in Tidal Wetlands

7 July 20267 July 2026
Editors' Highlights

The Largest Ice Thickness Survey of Alaska’s Glaciers

7 July 20266 July 2026
Editors' Vox

Small-Scale Indian Ocean Dynamics Underpin Marine Ecology and Climate

4 June 20263 June 2026
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