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groundwater

A road runs through a neighborhood; the road is warped and covered with black tarp and orange sandbags in some places.
Posted inNews

Rancho Palos Verdes Landslides Have Residents Seeking Science

Katherine Kornei, Science Writer by Katherine Kornei 3 October 20243 October 2024

Residents of Rancho Palos Verdes are looking to the scientific community for help in understanding the slow-moving landslides that are destroying their community.

A desert landscape vegetated by dry grass and shrubs.
Posted inNews

Fiber-Optic Cables Used to Measure Changing Soil Moisture

by Caroline Hasler 10 September 202410 September 2024

Scientists are using seismic techniques to measure soil moisture. Their results show that recent droughts in California depleted water in the shallow subsurface.

Satellite view of rectangular evaporation ponds used for lithium mining located amid a bright white salt flat.
Posted inOpinions

Concerns over Lithium, Water, and Climate in Earth’s Two Highest Deserts

by Lan Cuo 27 August 202427 May 2025

Brine mining to meet resource demands amid renewable energy transitions is affecting water resources in South America and China. Hydrologists can help understand how and join the search for solutions.

A dry forest region at the São Francisco do Mainã community near Manaus, Amazonas, Brazil
Posted inNews

Many Forests in One: A Glimpse into the Amazon’s Diversity

by Meghie Rodrigues 7 August 20247 August 2024

In some areas of the Amazon rainforest, trees green up as a response to drought, while in others they die off. Scientists are trying to understand why.

Two people install a permeable reactive barrier next to open water.
Posted inNews

Reactive Barriers Could Keep Nitrate out of the Atlantic

by Alix Soliman 15 July 202415 July 2024

Microbes in mulch scrub nitrate from groundwater before it flows to the sea.

Part of the Madi River in Nepal, with forested mountains in the distance
Posted inFeatures

Forests, Water, and Livelihoods in the Lesser Himalaya

by L. Adrian Bruijnzeel, Ge Sun, Jun Zhang, Krishna Raj Tiwari and Lu Hao 15 May 202424 March 2025

Complex changes in land use, land cover, climate, and demographics are combining to stress water security for millions of people in the region.

An oil rig surrounded by a green wall sits on a dirt landscape. Three people, surrounded by boxes and bags, sit in the dirt and examine instruments.
Posted inResearch Spotlights

Anthropocene Activities Dramatically Alter Deep Underground Fluid Flux

Sarah Stanley, Science Writer by Sarah Stanley 17 April 202417 April 2024

Scientists call for improved understanding of how our influence on deep subsurface fluids and microbes might affect the larger Earth system.

Four graphs from the paper
Posted inEditors' Highlights

Learning Data Assimilation Without the Help of the Gaussian Assumption

by Stefan Kollet 15 April 202411 April 2024

Major Earth system processes are non-linear and non-Gaussian, and so should be our data assimilation approaches.

Illustration from the study.
Posted inEditors' Highlights

The Unexplored Microbial Life in Subterranean Estuaries

by Marguerite A. Xenopoulos 28 March 202427 March 2024

A new study reveals that microbial life in subterranean estuaries is threatened by anthropogenic activities.

Monitoring equipment sits atop a well.
Posted inNews

Groundwater Levels Are Dropping Around the World

by Katherine Bourzac 14 February 202414 February 2024

Well data from around the world show declines driven by water use and climate change.

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Features from AGU Publications

Research Spotlights

Tracing Black Carbon’s Journey to the Ocean

11 July 202510 July 2025
Editors' Highlights

The Power of Naming Space Weather Events

10 July 20258 July 2025
Editors' Vox

Water Tracks: The Veins of Thawing Landscapes

25 June 202525 June 2025
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