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Geochemistry, Geophysics, Geosystems

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A mostly flat landscape is dotted with mounds, which give way to taller volcanic cones in the background.
Posted inResearch Spotlights

Water Stored in the Mantle for Millions of Years May Be Linked to Continental Volcanism

by Rebecca Owen 19 March 202519 March 2025

New research shows that intraplate volcanism is more likely to occur over areas of the mantle that are more hydrated—particularly those that have been hydrated for a long, long time.

A glacier with ripples on top of it, as seen from a plane. A blue sky is visible.
Posted inResearch Spotlights

A Seafloor Spreading Slowdown May Have Slashed Sea Levels

Sarah Stanley, Science Writer by Sarah Stanley 24 February 202524 February 2025

Between 15 million and 6 million years ago, a drop in ocean crust production may have lowered sea level by 26–32 meters.

Diagram of various mantle plume behaviors.
Posted inEditors' Highlights

Modeling Mantle Dynamics as the Earth Slowly Cools

by Paul Asimow 19 February 202511 February 2025

An update of the convection code ASPECT enables full coupling of plume dynamics with buoyancy effects of transition zone phase relations, showing how early layering gave way to whole-mantle plumes.

The crater of a snow-covered volcano emits smoke.
Posted inResearch Spotlights

Antarctic Ice Melt May Fuel Eruptions of Hidden Volcanoes

by Madeline Reinsel 3 January 202513 January 2025

More than 100 volcanoes lurk beneath the surface in Antarctica. Ice sheet melt could set them off.

一艘航行在海上的船的剪影。蔚蓝的天空飘着几朵薄云,大海反射着大量阳光。
Posted inResearch Spotlights

从一万六千公里外探索水下火山

by Nathaniel Scharping 19 November 202419 November 2024

在2022年汤加火山喷发后,对其火山口的测量持续了数月。

Plumes of gas emanate from the seafloor.
Posted inResearch Spotlights

A New View of Deep Earth’s Carbon Emissions

by Saima May Sidik 7 November 20247 November 2024

Advances in plate tectonics research allow a deeper understanding of how greenhouse gases escape from within the planet.

Two maps with symbols to indicate seismic events.
Posted inEditors' Highlights

Seismotectonic Update of the Philippines-Taiwan Region

by Atalay Ayele 4 October 20243 October 2024

Using more than two decades of data, scientists find that the Philippine and Taiwan subduction region is controlled mainly by shallow seismicity and low magnitude earthquakes.

A deep canyon, which can form when rocks shift.
Posted inResearch Spotlights

High-Pressure Reactions Can Turn Nonporous Rocks into Sponges

by Saima May Sidik 23 September 202423 September 2024

Mathematical models describe how water moves through rocks in deep Earth.

A ship traveling on the ocean is seen in silhouette. The sky is blue with some wispy clouds, and the sea is reflecting lots of sunshine.
Posted inResearch Spotlights

Exploring an Underwater Volcano from 16,000 Kilometers Away

by Nathaniel Scharping 12 September 202419 November 2024

Measurements of Hunga volcano’s crater continued for months after its 2022 eruption.

Photomicrographs of minerals.
Posted inEditors' Highlights

Unlocking Earth’s Terrestrial Sedimentary Record with Paleosols

by Maria Giuditta Fellin 9 July 20241 July 2024

Harnessing the micro-stratigraphy of pedogenic carbonates, scientists have demonstrated that age determination of fossil soils is possible via uranium-lead dating.

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21 May 202521 May 2025
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Decoding Crop Evapotranspiration

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