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soils

Graphs from the study.
Posted inEditors' Highlights

Investigating Rainfall-Rich Periods in North America

by Alberto Montanari 3 April 20253 April 2025

A record of soil moisture that extends over one thousand years allows for the investigation of occurrence and causes of modern and historical rainfall-rich periods.

Pichu Pichu dominates the landscape of the Peruvian Andes.
Posted inNews

Wildfires Pose a Threat to Volcanic Soils in the Peruvian Andes

by Sofia Moutinho 20 March 20257 May 2025

Fragile highland ecosystems showed low resilience to fire, which renders them more vulnerable to long-term degradation.

Illustration of the driving forces of erosion.
Posted inEditors' Vox

Erosion: An Overlooked Contributor to the Carbon Cycle

by Haiyan Zheng and Chiyuan Miao 13 March 202512 March 2025

Since physical and chemical erosion yield comparable carbon fluxes, studying both together is essential to avoid biases in erosion-driven carbon flux estimates.

Diagram from the study.
Posted inEditors' Highlights

How Rock Type Shapes River Networks and Influences Landscape Evolution

by Marisa Repasch 10 February 20256 February 2025

A new study in Chile shows how small differences in rock type can drive large differences in erosion, vegetation, and river networks, illuminating the role of mineralogy in shaping landscapes.

Two people plant a sapling in desert landscape. There are a handful of recently planted saplings around them.
Posted inNews

Three-Quarters of the World’s Land Is Drying Out, “Redefining Life on Earth”

by Ayurella Horn-Muller 13 January 202513 January 2025

Climate change has made great swaths of the planet drier and soils saltier, jeopardizing food production and water access for billions.

Cover cropping in the United States
Posted inNews

Cover Cropping May Not Be Cash Crop Panacea

by Pragathi Ravi 10 December 202410 December 2024

Intended to improve soil health, these crops are also associated with moisture depletion at shallow depths, which significantly impacts cash crop yields in arid regions.

Rich soil is visible through green blades of grass.
Posted inFeatures

O Legado Rico em Nutrientes nas Terras Pretas da Amazônia

by Kate Evans 7 November 20247 November 2024

Os solos férteis de terra preta foram criados através de séculos de uso da terra cuidadosamente administrado. Os cientistas estão colhendo referências desses solos para remover o carbono e melhorar o solo para a agricultura.

Two diagrams
Posted inEditors' Highlights

How Does Subsurface Lithology Speak to Hillslope Morphology?

by Erkan Istanbulluoglu 5 November 20245 November 2024

Subsurface flow hydrology connects soils and bedrock lithology to long-term catchment evolution in humid landscapes.

A satellite image shows the white storm clouds of a cyclone swirling off the arid coast of Libya.
Posted inNews

Torrents of Sediment-Laden Water Worsened Disastrous Libyan Floods

by Elise Cutts 25 October 202425 October 2024

Drought followed by torrential rain can unleash deadly floods in arid regions, like those that affected Libya in 2023.

Photo of a desert with white salt on the surface.
Posted inEditors' Vox

Soil Salinization: A Rising Threat to Ecosystems and Global Food Security

by Nima Shokri, Amirhossein Hassani and Muhammad Sahimi 21 October 202418 October 2024

As soil salinization intensifies, it poses serious threats to ecosystems, soil health, global food security and socio-economic stability.

Posts pagination

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Features from AGU Publications

Research Spotlights

Coherent, Not Chaotic, Migration in the Brahmaputra-Jamuna River

2 July 20252 July 2025
Editors' Highlights

The Mid-20th Century Winter Cooling in the Eastern U.S. Explained

3 July 20253 July 2025
Editors' Vox

Water Tracks: The Veins of Thawing Landscapes

25 June 202525 June 2025
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