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Geochemistry, Geophysics, Geosystems

Visit the journal.

2 graphs from the paper.
Posted inEditors' Highlights

Machine Learning for Geochemists Who Don’t Want to Code 

by Paul Asimow 9 February 20249 February 2024

Geochemistry π is an easy-to-use step-by-step interface to carry out common machine learning tasks on geochemical data, including regression, clustering, classification, and dimension-reduction.

In the background, snow-capped Mount Hood rises above a mountain range. In the foreground, the skyscrapers of Portland, Ore., dominate the landscape.
Posted inResearch Spotlights

Some High-Threat Volcanoes Are Severely Understudied

by Saima May Sidik 29 November 202329 November 2023

Scientists have little understanding of where magma is stored along the Cascade Volcanic Arc or how its volcanoes could affect population centers.

Image of the seven journal covers.
Posted inEditors' Vox

Announcing New AGU Journal Editors-in-Chief Starting in 2024

by Matt Giampoala and Carol Frost 9 November 202315 November 2023

AGU is excited to welcome new Editors-in-Chief for seven of our journals in 2024, including the founding Editor of JGR: Machine Learning and Computation.

Map of study area with symbols.
Posted inEditors' Highlights

Machine Learning Identifies Source Volcanoes of Ash Deposits

by Paul Asimow 8 November 20236 November 2023

Tracing ash layers from explosive eruptions back to their source volcanoes is needed to evaluate hazards to population and aviation, a problem addressed by a new machine learning classification method.

Diagram from the study
Posted inEditors' Highlights

Piecing Together the Roots of the Ancient Australian Continent

by Paul Asimow 25 October 202326 October 2023

Mineral compositions from numerous volcanic rocks that sample the mantle keel beneath Western Australia’s Kimberley Craton reveal the temperature and mineralogy that explain its long-lived stability.

Photo of a clam with close up images below.
Posted inEditors' Highlights

Ultra-High-Resolution Age Model in Clams Yields Daily Paleo-Data

by Branwen Williams 18 October 202317 October 2023

Using geochemical techniques, scientists identify daily cycles in fossilized giant clams, which permits climate reconstructions at the weather timescale.

View overlooking part of Acapulco, Mexico, in the foreground with Acapulco Bay beyond
Posted inResearch Spotlights

Talc May Make Mexico’s Subduction Zone More Slippery

Aaron Sidder, freelance science writer by Aaron Sidder 23 August 202323 August 2023

Production of the weak, water-bearing mineral at the interface between the Cocos and North American Plates could contribute to the occurrence of poorly understood episodic tremor and slow slip.

Photo showing technologies for monitoring volcanic gas emissions.
Posted inEditors' Highlights

Send in the Drones: Safely Monitoring Volcanic Gas Emissions

by Paul Asimow 8 June 20238 June 2023

New drone technology was combined with satellite and ground-based data to improve volcanic gas flux monitoring at the remote Bagana Volcano in Papua New Guinea.

Field photograph of the base of the Sevier gravity slide at the North Sanford Valley site.
Posted inEditors' Highlights

A Giant Rockslide on a Bed of Steam

by Peter van der Beek 25 May 202324 May 2023

Detailed observations of the giant Sevier gravity slide in Utah show that the exceedingly low basal friction required for its rapid emplacement was developed by trapped thermally pressurized fluids.

Maps of study region and graphs from the paper.
Posted inEditors' Highlights

Under Pressure: Recording Earthquakes at and Below the Seafloor

by Sergei Lebedev 27 October 202230 November 2022

Cabled ocean-floor observatories record ground shaking and pressure variations, which contribute to early warning systems and give us a unique view of the ocean–crust coupling.

Posts pagination

Newer posts 1 2 3 4 5 … 10 Older posts
Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

Research Spotlights

Rivers in the Antarctic Sky, Captured in 3D

2 June 20262 June 2026
Editors' Highlights

Pre-Existing Structure and Stress Shape Geothermal-Induced Seismicity

2 June 20261 June 2026
Editors' Vox

Small-Scale Indian Ocean Dynamics Underpin Marine Ecology and Climate

4 June 20263 June 2026
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