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Oceans

Drone footage of a blue whale surfacing to breathe off the coast of California.
Posted inNews

Scientists Tune In to Blue Whale Feeding Rhythms

by Bill Morris 26 October 20226 December 2022

New acoustic sensing technology is allowing scientists to track blue whale movements in real time, a breakthrough that could help save whales’ lives.

World map
Posted inEditors' Highlights

Machine Learning Looks Anew at Isotope Ratios in Oceanic Basalts

by Paul Asimow 25 October 202224 October 2022

While past attempts to define isotopic endmembers and assign them a geodynamic significance ended in controversy, a machine-learning clustering algorithm offers a solution to this classical problem.

Emissions rise from industrial towers along a waterfront in front of a hazy orange sunset.
Posted inResearch Spotlights

Tracing Anthropogenically Emitted Carbon Dioxide into the Ocean

Aaron Sidder, freelance science writer by Aaron Sidder 17 October 202215 March 2023

Researchers labeled anthropogenically emitted carbon and tracked it with an ocean circulation model to determine whether it winds up in the sky or sea.

Graphs and diagrams from the paper showing a merger event of eddies Bob and Tom in fall 2009.
Posted inEditors' Highlights

How do Bob and Tom Eddies Meet, Pair-Spin, and Twist?

by Takeyoshi Nagai 14 October 202212 October 2022

Autonomous float data reveal that mergers of two eddies, known to have spiraling subducting water surrounding each other, happens more frequently than previously thought.

Sandbags of wildfire debris are spread on Goleta Beach, Calif.
Posted inNews

Managing Mudslide Debris After Fires

by Robin Donovan 14 October 202214 October 2022

California officials faced a conundrum in dealing with mudslides after the Thomas Fire.

2 diagrams from the paper
Posted inEditors' Highlights

Two Kinds of Warm Core Rings Emanate From the Gulf Stream

by Takeyoshi Nagai 12 October 202211 October 2022

A new study reveals that long-lived warm core rings found in the “Ring Corridor”, a narrow path north of the Gulf Stream, have two different formation mechanisms.

Satellite photo of a tropical cyclone with a graph overlaying it.
Posted inEditors' Highlights

Ocean Waves Cause Drag Coefficient Asymmetry Within Typhoons

by Lei Zhou 5 October 20224 October 2022

Observations show that, due to ocean waves, the drag coefficients for surface wind stresses have spatial asymmetry within typhoons, which should be considered in weather and climate simulations.

Satellite photo of a massive ice shelf with a couple of large cracks
Posted inResearch Spotlights

Melting Below the Pine Island Ice Shelf Minds the Gap

Sarah Derouin, Science Writer by Sarah Derouin 3 October 20223 October 2022

New research shows that increased calving from West Antarctica’s Pine Island Ice Shelf will likely drive increased circulation of warm water—and melting—below the ice.

Image overlooking a rocky coastline and water just after sunset with a bright blue line representing a fiber-optic cable curving over the water and rocks
Posted inResearch Spotlights

Internet Cable Reveals the Source of Underwater Vibrations

by Saima May Sidik 30 September 202214 May 2024

A novel use of an existing fiber-optic cable off the coast of Spain has clued scientists in to how seismic noise is generated in the ocean.

Satellite image of clouds and ship tracks in the Pacific Ocean south of Alaska
Posted inNews

Tracking Climate Through Ship Exhaust

by Humberto Basilio 27 September 202218 October 2022

International regulations have reduced aerosol pollutants released from ships. Now, researchers want to use ship tracks to better understand the ambiguous effects that cleaner air has on climate.

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Features from AGU Publications

Research Spotlights

Where Do Antarctic Submarine Canyons Get Their Marine Life?

18 June 202518 June 2025
Editors' Highlights

Coupled Isotopes Reveal Sedimentary Sources of Rare Metal Granites

17 June 202516 June 2025
Editors' Vox

Inside Volcanic Clouds: Where Tephra Goes and Why It Matters

16 June 202512 June 2025
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