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Oceans

Plan view of the LeConte Glacier and fjord system in Alaska
Posted inEditors' Highlights

First Field Observations of Ocean Melting a Tidewater Glacier

by Mathieu Morlighem 13 February 202010 February 2022

Using autonomous kayaks, researchers carried out measurements of water properties near the terminus of LeConte Glacier and showed that ice/ocean interactions are more complex than thought.

Charts showing ENSO cycles
Posted inEditors' Highlights

Oceanic Mixing Influences Development of ENSO Cycle

by J. Sprintall 7 February 202016 September 2022

Changes in oceanic turbulence act to regulate the sea surface temperature during the evolution of the El Niño Southern Oscillation cycle.

Cross section of a rock consisting of fossilized cyanobacteria
Posted inNews

Dust in the Atmosphere May Have Fertilized the Ancient Ocean

Rachel Crowell, Science Writer by Rachel Crowell 5 February 202017 February 2023

New research investigates dust’s role in primary production during the Carboniferous and Permian periods.

Swirls of photosynthetic algae thrive in the Arabian Sea in February 2015.
Posted inResearch Spotlights

Anaerobic Activity Is a Big Contributor in Marine “Dead Zones”

Sarah Stanley, Science Writer by Sarah Stanley 17 January 20202 March 2023

Climate models that do not account for anaerobic microbial activity may underestimate future expansion of oxygen-depleted waters.

The remotely operated vehicle Hercules
Posted inResearch Spotlights

Investigating Rates of Microbial Methane Munching in the Ocean

Sarah Stanley, Science Writer by Sarah Stanley 16 January 202018 May 2022

Analyses of microbial activity in seawater samples help clarify the fate of methane released from the seafloor.

Oil slick from Deepwater Horizon spill, 2010
Posted inEditors' Vox

Understanding Material Movement in the Ocean’s Upper Layer

by M. Chamecki, T. Chor, D. Yang and C. Meneveau 13 January 202018 May 2022

Computer simulations are advancing our understanding of how natural and anthropogenic materials are transported around the upper layer of the ocean.

Visualization showing differences between the Lagrangian specification and the Eulerian specification
Posted inEditors' Highlights

Different Eddy Transport for “Lazy” and “Athletic” Observers

by Lei Zhou 2 January 202012 January 2022

Two specifications of fluid dynamics—taking measurements at a fixed point and following a fluid parcel—are compared for quantifying eddy transport in the ocean.

The drillship Vidar Viking sits amid Arctic sea ice during the International Ocean Discovery Program’s Arctic Coring Expedition in 2004.
Posted inResearch Spotlights

Reconstructing 150 Million Years of Arctic Ocean Climate

by David Shultz 18 December 201926 January 2023

A new summary of past Arctic climate conditions gives insight into anthropogenic influences on today’s climate and on the need for future drilling studies to further improve our understanding of the past.

A sea otter in the water with bull kelp
Posted inNews

Will Melting Sea Ice Expose Marine Animals to New Diseases?

Rachel Crowell, Science Writer by Rachel Crowell 16 December 20199 September 2024

Marine mammals previously separated by Arctic ice may have more opportunities to interact as water routes redefine habitats and species ranges.

Aerial photo of waves lapping at a beach with people near the shore
Posted inNews

Ocean Science Decade Calls Attention to a Wave of Concerns

by Randy Showstack 11 December 201914 January 2022

The United Nations Decade of Ocean Science for Sustainable Development is a wake-up call and a motivation to manage the ocean sustainably.

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Features from AGU Publications

Research Spotlights

Extensive Sand Dune Loss Threatens California Coast

26 June 202625 June 2026
Editors' Highlights

Fluid-Driven Reactions Restore Fault Strength Between Earthquakes

30 June 202630 June 2026
Editors' Vox

Small-Scale Indian Ocean Dynamics Underpin Marine Ecology and Climate

4 June 20263 June 2026
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