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Journal of Geophysical Research: Oceans

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In the foreground is a beach covered in brownish seaweed, farther back is a body of water coated in chunks of floating ice, and in the distance are mountains and the sky.
Posted inResearch Spotlights

Seaweed Surges May Alter Arctic Fjord Carbon Dynamics

Sarah Stanley, Science Writer by Sarah Stanley 16 May 202516 May 2025

Climate change–accelerated seaweed growth could cause seaweed-dependent microbes to proliferate and consume more oxygen, leading to a rise in oxygen-starved zones.

A satellite image of a river flowing into the ocean. The area where it meets the ocean is cloudy.
Posted inResearch Spotlights

The Uncertain Fate of the Beaufort Gyre

by Saima May Sidik 13 May 202513 May 2025

Climate models produce widely varying predictions for what will happen to this influential ocean current, but most models predict it will weaken or stop.

Fine-grained sand on the ocean floor, marked by the rippling movement of currents
Posted inResearch Spotlights

Mapping the Ocean Floor with Ancient Tides

Aaron Sidder, freelance science writer by Aaron Sidder 6 May 20256 May 2025

A new study uses a paleotidal model to trace the formation of carbon-rich mud deposits over thousands of years.

Satellite photo of a plankton bloom.
Posted inEditors' Highlights

Upwelling Near Fronts Initiate Offshore Phytoplankton Blooms

by Takeyoshi Nagai 17 April 202517 April 2025

A new study finds that phytoplankton blooms, often seen near the separation point of western boundary currents, are supported by nutrient supply upwelling and cross-shelf transport.

A large red, white, and blue ship with “Marion Dufresne” printed on the side is at sea, preparing for a helicopter to land on it.
Posted inResearch Spotlights

Tracking Some of the World’s Fiercest Ocean Currents

by Saima May Sidik 27 March 202523 June 2025

During a voyage off the east coast of Africa, researchers collected detailed measurements of massive swirling currents that affect regional ocean conditions and fisheries.

Diagram
Posted inEditors' Highlights

Coastal Dynamics Revealed by Satellite Salinity Data

by Yuanlong Li 11 February 20257 February 2025

One decade of high-quality satellite salinity observations provide valuable insights into the complex dynamics in the Mid-Atlantic Bight.

In this bird’s-eye view from a satellite, white ice meets gray ocean water.The ice is fractured into many smaller pieces.
Posted inResearch Spotlights

Warm Seawater Encroaches on Major Antarctic Ice Shelf

Sarah Stanley, Science Writer by Sarah Stanley 8 January 20258 January 2025

In unprecedented detail, new research illuminates the seasonal flow of warm water toward the Filchner-Ronne Ice Shelf.

Rough ice extends away from a hilly, frozen shoreline.
Posted inResearch Spotlights

Cold Days Bring Fast Ice

by Saima May Sidik 20 December 202420 December 2024

Thirty-seven years of observations reveal the meteorological conditions that lead to persistent, thick fast ice in Antarctica.

Photo of researchers deploying an Argo float.
Posted inEditors' Highlights

Are Rogue Argo Floats Skewing Ocean Salinity Data Products?

by Lei Zhou 19 November 202418 November 2024

Global ocean salinity products have become increasingly inconsistent since 2015, coinciding with a drift to higher salinity values in a number of Argo sensors.

A photo of an Antarctic ice shelf in the process of calving (meaning a section is breaking off the front to become an iceberg). The water in front of the ice shelf is a deep blue.
Posted inResearch Spotlights

Phytoplankton Shield Ice Shelves from Summer Heat

by Saima May Sidik 20 September 202420 September 2024

Spring blooms shade Antarctic ice shelves, causing them to melt 7% more slowly than they would if they were surrounded by clear, bloomless waters.

Posts pagination

Newer posts 1 2 3 4 … 15 Older posts
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