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Modeling

漂浮在海洋中的一块正在融化的冰。
Posted inResearch Spotlights

“惯性升温”可能触发气候临界点

by Rebecca Owen 30 November 202330 November 2023

除非我们迅速实现净零排放,否则即便在温室气体排放量减少之后,气候也将逐渐接近不可逆转的境地。

Sedimentary rocks exposed to weathering
Posted inNews

Weathering of Rocks Can Release Carbon Dioxide

Rachel Crowell, Science Writer by Rachel Crowell 28 November 202329 November 2023

New research upends the notion that the weathering of rocks mainly removes CO2 from the atmosphere. Rocks can also be carbon sources, releasing as much CO2 as Earth’s volcanoes.

Diagram from the paper with graphs connected to locations on a world map.
Posted inEditors' Highlights

A Crystal Ball for the Carbon Cycle, But a Cloudy One

by David S. Schimel 14 November 202314 November 2023

Carbon cycle models quantify relationships between emission scenarios and resulting atmospheric concentrations, but are the projections credible? New analyses find grounds for both hope and concern.

A flat piece of ice floats in the ocean.
Posted inResearch Spotlights

Climate Tipping Points Could Be Triggered by “Committed Warming”

by Rebecca Owen 13 November 202330 November 2023

Unless we rapidly reach net zero emissions, the climate will inch closer to a point of no return—even after greenhouse gas emissions are reduced.

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 showing nitrogen transformations.
Posted inEditors' Highlights

Reporting Model Results Even When They Cannot (Yet) be Tested

by Susan Trumbore 7 November 20233 November 2023

Models simulating the nitrogen cycle track its multiple chemical forms but tend to report a subset that can be compared with available field measurements.

Thick rain clouds float over the top of the snowcapped Himalayas.
Posted inResearch Spotlights

Carbon Dioxide’s Effect on Mountain Climate Systems

Sarah Derouin, Science Writer by Sarah Derouin 7 November 20238 November 2023

Greenhouse gases are rising in the atmosphere. But how will precipitation patterns change as climate systems rise over mountain chains?

Simulations of clouds.
Posted inEditors' Highlights

Cumulus Cloud Botany in Large Domains

by Tapio Schneider 6 November 20232 November 2023

A new study provides a sample of shallow cumulus clouds simulated in domains 150-kilometers wide, enabling investigations of their structure and organization.

A row of black volcanic scones in Halema’uma’u in Hawaii eject lava into the air. The background is obscured by smoke from the lava.
Posted inResearch Spotlights

Humans Have Boosted Atmospheric Mercury Concentrations Sevenfold

by Rebecca Dzombak 3 November 20233 November 2023

A new baseline of volcanic contributions to the global mercury cycle reveals how drastically human activities have increased the element’s concentration in the atmosphere.

Illustration of a computer screen with mountains and a river.
Posted inEditors' Vox

Advancing AI and Machine Learning Beyond Predictive Capabilities

by Dipankar Dwivedi, Xingyuan Chen, Chaopeng Shen and Harihar Rajaram 1 November 202331 October 2023

A new cross-journal special collection invites contributions that unlock the next frontier in hydrology and Earth sciences through artificial intelligence and machine learning.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
Geophysical Research Letters
“Neural Networks Map the Ebb and Flow of Tiny Ponds”
By Sarah Derouin

EDITORS' HIGHLIGHTS
Community Science
“Collaboration Helps Overcome Challenges in Air Quality Monitoring”
By Muki Haklay

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

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