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soils

Diagram from the paper.
Posted inEditors' Highlights

Northern Ecosystems are Shaped by Snow

by David S. Schimel 12 September 202313 September 2023

Changing climate in the Arctic leads to a shorter snow season but deeper snow in the depths of winter. Under the insulating snow, biological processes are accelerated leading to higher nutrient availability and carbon losses.

Un suelo con grietas de desecación al frente con árboles agua y un atardecer al fondo.
Posted inResearch Spotlights

El cambio climático está secando a los suelos

Rachel Fritts, Science Writer by Rachel Fritts 24 August 202329 August 2023

Los suelos terrestres se están secando a medida que el planeta se calienta, pero aún no está claro que tan seco es muy seco.

Photo of a riverbank in Alaska.
Posted inEditors' Highlights

Frozen Riverbanks May Erode Faster in a Warming Arctic

by Marisa Repasch 16 August 202315 August 2023

Frozen flume experiments reveal the sensitivity of permafrost riverbank erosion to water temperature, bank roughness, and pore-ice content.

A person wearing sunglasses is looking at the camera and leaning on a shovel next to an outcrop of soil. A green landscape is in the background.
Posted inFeatures

Yamina Pressler: Slowing Down, Appreciating Complexity, and Embracing Soil

by Carolyn Wilke 25 July 202325 July 2023

The soil scientist draws inspiration from the earth beneath her feet.

View of the ‘fluxbot’ electronics, both as a schematic and installed in the field.
Posted inEditors' Highlights

An Open and Inexpensive ‘Fluxbot’ for Measuring Soil Respiration

by Benjamin Bond-Lamberty 24 July 202318 July 2023

An inexpensive system of automated gas sensors and open-source software, tested in a Kenyan savanna, will help democratize and expand science research on soil respiration.

World map with radiative forcing data.
Posted inEditors' Highlights

Sensing the Color of Soil for Climate Modeling

Eric Davidson, president-elect of AGU by Eric Davidson 20 July 202328 August 2023

The color of soil reflecting the Sun’s rays affects the Earth’s climate and water cycle. Using satellite data that senses many wavelengths improves soil reflectivity estimates, especially in deserts.

A photo of a small mushroom in a wooded area surrounded by tiny mushroom sprouts
Posted inNews

Soil Fungi May Be a Carbon Pool

by Caroline Hasler 17 July 202324 July 2023

New research suggests that mycorrhizal fungi take in 13 billion tons of carbon dioxide annually, playing a prominent role in Earth’s carbon cycle.

Photo of a bell pepper plant experiment
Posted inEditors' Vox

Air Flow Dynamics in Wet Soils: Challenges and Knowledge Gaps

by Ilan Ben-Noah 6 July 20235 July 2023

Modeling air flow in wet porous media relies on quantifying the combined role of fluid and media properties and flow dynamics on the microscale displacement mechanisms and macroscale unstable flow.

An irrigation canal snakes by a field of lettuce outside Yuma, Ariz.
Posted inFeatures

Agriculture 3.0: Preparing for a Drier Future in the Colorado River Basin

Jane Palmer, Science Writer by Jane Palmer 5 July 20235 July 2023

Years of drought and climate change are causing water resources to dwindle in the Colorado River Basin. But farmers and scientists are collaborating to learn how to grow crops with less water.

Close-up of star moss on a black rock
Posted inNews

Mosses Play Key Roles in Ecosystems from Tropics to Tundra

by Carolyn Wilke 29 June 202329 June 2023

A global survey of mosses growing on soil found that the somewhat underappreciated plants cover a vast area and perform tasks such as sequestering carbon.

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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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