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Scientific Discipline Geochemical cycles

Biogeosciences
A tree with exposed roots grows atop weathered bedrock in a forest

Research Spotlight 22 January 2021

Researchers Unearth Bedrock Carbon and Water Dynamics

Deep tree roots bring respiring microbes into broken bedrock, generating carbon that’s released into the environment. New research explores this oft-overlooked carbon source.
Read More »
Biogeosciences
View of sea ice and part of the West Antarctic Peninsula from just offshore, with the bow of a research ship in the foreground

Research Spotlight 26 October 2020

How Long Does Iron Linger in the Ocean’s Upper Layers?

A new study refines our understanding of marine residence times of iron, which supports carbon-sequestering sea life, offering valuable data to inform biogeochemical models.
Read More »
Biogeosciences
Snapshot from animation frozen on the Pangaea supercontinent in the early Mesozoic

News 12 June 2020

Visualizing the Deep Carbon Cycle

Geoscientists have created animations to help visualize different components of Earth’s carbon cycle.
Read More »
Geochemistry, Mineralogy, Volcanology
Map of the Lesser Antilles volcanic arc showing the subduction zone trench and the location of two Deep Sea Drilling Cores

Editors' Highlights 3 June 2020

Extremely High Carbon Return in Certain Volcanic Arcs

By comparing measured volcanic output with subducted carbon fluxes from drill cores, the Lesser Antilles subduction zone shows nearly complete slab carbon release at sub-arc depths.
Read More »
Geochemistry, Mineralogy, Volcanology
A mountainside exposing sedimentary rocks of the Fifteenmile Group in the Ogilvie Mountains, Yukon

Research Spotlight 27 March 2020

Review of Go-To Iron Analysis Method Reveals Its Pros and Cons

Researchers validated some steps in the standard sequential chemical technique used to extract different forms of iron from rock samples but found inconsistencies in other steps.
Read More »
Biogeosciences
The hyperacidic lake inside the crater of Poás volcano in Costa Rica

Science Update 3 March 2020

Microbial Influences on Subduction Zone Carbon Cycling

An innovative collaboration is investigating how geobiological processes alter fluxes of carbon and other materials between the deep Earth and the surface.
Read More »
Geochemistry, Mineralogy, Volcanology
A satellite view of Saharan dust plumes over the Atlantic Ocean

Research Spotlight 16 January 2019

A Novel Approach Reveals Element Cycles in the Ocean

Dissolved thorium isotopes light the way to a more thorough understanding of how different elements enter marine environments—and how long they stay there.
Read More »

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Science Policy & Funding

News 15 January 2021

Cómo convertir nuestras ciudades en Treetopias

Climate Change

News 21 January 2021

Overturning in the Pacific May Have Enabled a “Standstill” in Beringia

Hydrology, Cryosphere & Earth Surface

Research Spotlight 6 January 2021

Warmer Climates Speed Breakdown of Rocks

From AGU Journals

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JGR Planets

Constraining the decline of the lunar dynamo field at ≈ 3.1 Ga through paleomagnetic analyses of Apollo 12 mare basalts

B. E. Strauss et al.

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JGR Biogeosciences

Global patterns of land‐atmosphere fluxes of carbon dioxide, latent heat, and sensible heat derived from eddy covariance, satellite, and meteorological observations

Martin Jung et al.

Hot Article

JGR Planets

Infrared Observations of Ganymede From the Jovian InfraRed Auroral Mapper on Juno

A. Mura et al.

View More Highlights »

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Current Print Magazine


January 2021

Volume 102 Issue 1

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Most Popular

Science Policy & Funding

News 15 January 2021

Cómo convertir nuestras ciudades en Treetopias

Climate Change

News 21 January 2021

Overturning in the Pacific May Have Enabled a “Standstill” in Beringia

Hydrology, Cryosphere & Earth Surface

Research Spotlight 6 January 2021

Warmer Climates Speed Breakdown of Rocks

Most Commented

Geochemistry, Mineralogy, Volcanology

Editors' Vox 5 November 2020

A Geologist’s Guide to Exploring and Understanding Iceland

2 Comments

Geology & Geophysics

News 12 January 2021

Modeling the Creation of Cratons, Earth’s Secret Keepers

2 Comments

Atmospheric Sciences

News 9 November 2020

A Little-Known Mass Extinction and the “Dawn of the Modern World”

2 Comments

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Education

Opinion 21 January 2021

Graduate Student Perspectives on Equitable Remote Learning

Science Policy & Funding

GeoFIZZ 19 January 2021

Scientists Are Primed for Poll Positions

Geology & Geophysics

Science Update 19 January 2021

Using Earthquake Forensics to Study Subduction from Space

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