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seafloor

Three people listen while a guy in a lei talks animatedly on the deck of a ship
Posted inNews

Limiting Factor Was a Science Opportunity for a Deep-Sea Geologist

Ilima Loomis, Science Writer by Ilima Loomis 3 July 20192 March 2023

For Mariana Trench expert Patricia Fryer, an extreme explorer’s record-setting dive was a chance to retrieve some of the deepest samples ever collected.

Photo of a research vessel in front of a tidewater glacier
Posted inResearch Spotlights

Arctic Glacial Retreat Alters Downstream Fjord Currents

Sarah Stanley, Science Writer by Sarah Stanley 14 June 201914 March 2024

High-resolution mapping efforts could improve predictions of coastal changes as glaciers shrink around the world.

Figure showing first transect of radiocarbon in DOC with depth below the ocean surface in the Pacific Ocean, as a function of latitude
Posted inEditors' Highlights

Pacific Carbon Ages During Long Journey Along Ocean Floor

by Rose Cory 4 June 201927 September 2022

The radiocarbon signal of DOC with depth across the Pacific Ocean basin effectively supports a number of important theories that have been suggested over the years.

Layers of Permian marine sediments exposed on the southeast coast of Tasmania, Australia
Posted inResearch Spotlights

New Global Analysis Reveals Amount of Sediment on the Ocean Floor

by David Shultz 10 May 201929 June 2022

Researchers calculate that there are ~3.37 × 108 cubic kilometers of sediment on the world’s ocean floor.

Posted inFeatures

The Search for the Severed Head of the Himalayas

Lucas Joel by L. Joel 25 April 20198 August 2023

To unearth the very first sediments to erode from the Himalayas, a team of scientists drilled beneath the Bay of Bengal.

seafloor-cold-methane-seep-bubbles-NOAA-virginia
Posted inScience Updates

Compiling a Census for SEAFLEAs

by B. Phrampus, T. Lee and W. Wood 2 April 201910 March 2023

Collaboration to Compile Open-Source Sites of Seafloor Fluid Expulsion Anomalies, AGU Fall Meeting 2018; Washington, D.C., 14 December 2018

A photomicrograph of ten species of foraminiferans.
Posted inAGU News

How Did We Get Here?

Heather Goss, AGU Publisher by Heather Goss 1 April 201915 April 2022

With a discovery made from fossils in the seabed, paleoceanographers and paleoclimatologists began tracing the delicate path between ancient eras and our future.

Seamap Australia assists efforts to protect species like the critically endangered spotted handfish.
Posted inScience Updates

Making the First National Seafloor Habitat Map

by V. Lucieer, C. Johnson and N. Barrett 11 March 20196 February 2023

Seamap Australia integrates seafloor maps with information on plant and animal habitats, environmental stressors, and resource management to create a first-of-its-kind resource.

Carbonate mineral towers in the Lost City, an undersea hydrothermal field in the Atlantis Massif in the Mid-Atlantic Ridge
Posted inScience Updates

In Search of Life Under the Seafloor

by G. L. Früh-Green and B. N. Orcutt 10 January 201914 March 2023

A multinational research team drilled into the seafloor to see whether chemical processes in exposed shallow mantle rocks could generate nutrients to support life in the subsurface.

A wellhead used to study the tectonics and fluid flow in the submarine Nankai Trough
Posted inResearch Spotlights

In a Submarine Trough, Permeable Rocks May Lead to Quakes

Sarah Stanley, Science Writer by Sarah Stanley 29 November 20185 October 2022

In Japan’s submarine Nankai Trough, rock permeability is much higher when measured at larger scales, likely because of big fractures and faults that are not captured at small scales.

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

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