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seafloor

Photo from the ocean floor with rocks looking at an angle toward the surface
Posted inNews

Tracking Marine Heat Waves

by Robin Donovan 24 May 202324 May 2023

Heat waves can happen in the depths, invisible at the ocean surface.

Graph from the paper
Posted inEditors' Highlights

The Depleted Mantle Merry-Go-Round 

by Vincent Salters 5 April 202331 March 2023

Abyssal peridotites show through their isotopic composition a complex history. From differences we can infer the existence of ultra depleted mantle and an uneven contribution to ridge magmatism.

A photo of a statue of a dinosaur-like creature next to city buildings.
Posted inNews

Godzilla Gets a Forever Home on the Ocean Floor

Tim Hornyak, Science Writer by Tim Hornyak 31 March 202331 March 2023

The world’s largest oceanic core complex is named after the reptilian monster from Japanese science fiction. Parts of the seabed feature were recently christened with the beast’s anatomy.

Sediments of various sizes sit on the seafloor. A blossoming, white sunbeam flares against the blue backdrop of the sea.
Posted inNews

Deep-Sea Sand and Where to Find It

by Emily Shepherd 30 March 202330 March 2023

Ancient underwater avalanches carried sand into the ocean’s abyss during a time when some least expected it.

Close-up view of bright green algae fronds
Posted inScience Updates

Making Sense of the Great Barrier Reef’s Mysterious Green Donuts

by Jody Webster, Mardi McNeil, Helen Bostock, Luke Nothdurft and Maria Byrne 9 March 20239 March 2023

Researchers set sail to the Great Barrier Reef to study how ring-shaped algae deposits formed and evolved, what feeds them, and the diversity of creatures that call them home.

Several people sit and stand around a large map of the seafloor on a table in laboratory space.
Posted inScience Updates

Observing a Seismic Cycle at Sea

by Margaret Boettcher, Emily Roland, Jessica Warren, Robert Evans and John Collins 7 March 202325 May 2023

Scientists organized a trio of expeditions to document the buildup of stress leading to a large earthquake on a seafloor fault, developing innovations for successful seagoing research in the process.

Sediment cores in vertical tubes sitting on a ship deck. Two people crouch next to cores.
Posted inNews

Seafloor Plastic Pollution Is Not Going Anywhere

by Sofia Moutinho 14 February 202314 February 2023

The amount of microplastics at the bottom of the Mediterranean is growing as global production increases and plastic breakdown is halted.

A map of the world centered on the Pacific Ocean, with continents in gray and oceans in white. Lines of bright colors cross the oceans and wind around continents, depicting the locations of transoceanic subsea cables.
Posted inNews

Making Underwater Cables SMART with Sensors

by Alka Tripathy-Lang 12 December 202212 December 2022

Future cables that stretch across the ocean, transmitting cat videos and financial transactions, could also contain temperature, pressure, and seismic sensors that would allow scientists to spy on the seafloor.

People in orange work suits crouch next to small clear cylinders with brown material inside.
Posted inNews

In the Deepest Ocean Reaches, a Potent Pollutant Comes to Rest

by Sean Cummings 9 December 20222 March 2023

Surprising amounts of mercury settling into deep-sea trenches may provide a fuller picture of the metal’s path through the environment, but pulling it to the surface is no easy feat.

R/V Mirai makes its way across Arctic sea ice.
Posted inNews

The Bottom of the Arctic Is Blooming

by Fanni Daniella Szakal 14 November 202217 November 2022

Researchers found phytoplankton hidden on the Arctic seafloor, hinting at a cascade of effects on the local ecology and carbon cycle.

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By Sarah Derouin

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EDITORS' VOX
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“What We Know and Don’t Know About Climate Tipping Elements”
By Seaver Wang

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