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water supply

A Sun-speckled river winds through banks populated by green scrub brush. Along the edge of the vegetation, red-brown sand abuts mesas that stretch toward a bright blue sky.
Posted inNews

Ten Rivers Facing Pollution, Development, and Climate Change—And Policies That Can Help

by Saima May Sidik 18 April 202328 August 2023

An annual report highlights 10 waterways that have arrived at forks: where public support could determine whether they receive protection.

A sign in front of a rock and a plant. Snow covers the ground.
Posted inNews

Urban Water Conservation Success in the Colorado River Basin

Jane Palmer, Science Writer by Jane Palmer 29 March 202329 March 2023

In the past few decades, cities in Arizona, Colorado, and Nevada have vastly increased their water use efficiency. They’ve also learned lessons that can inform other cities’ efforts.

Satellite image of the Nile Delta
Posted inEditors' Highlights

Tracking Heavy Metal Accumulation in the Nile Delta

by Benjamin Sulman 22 March 202319 September 2023

Sediment measurements show that flow alterations and discharges are driving increasing concentrations of multiple heavy metals in the Nile Delta, threatening ecosystems, agriculture, and human health.

Posted inEditors' Highlights

Suivie de l’accumulation des métaux lourds dans le Delta du Nil

by Benjamin Sulman 22 March 202319 September 2023

Les analyses de sédiments montrent que la réutilisation de l’eau non traitée et la construction de barrages entraînent l’augmentation des concentrations de métaux lourds dans le Delta du Nil, menaçant gravement les écosystèmes, l’agriculture et la santé humaine.

An illustrated scientific diagram shows how groundwater interacts with the rest of the water cycle.
Posted inResearch Spotlights

El agua subterránea se repone mucho más rápido de lo que pensaban los científicos

Rachel Fritts, Science Writer by Rachel Fritts 30 January 202330 January 2023

Un nuevo modelo basado en el clima indica que los científicos podrían haber subestimado la importancia del agua subterránea para mantener los ríos y la vida vegetal.

An illustrated scientific diagram shows how groundwater interacts with the rest of the water cycle.
Posted inResearch Spotlights

Groundwater Replenishes Much Faster Than Scientists Previously Thought

Rachel Fritts, Science Writer by Rachel Fritts 20 December 202220 December 2022

A new climate-based model indicates that scientists may be underestimating groundwater’s importance in sustaining streams and plant life.

水流在大坝下翻腾。
Posted inResearch Spotlights

人类如何改变全球水资源

by Saima May Sidik 28 November 20221 March 2023

研究人员模拟研究了人类社会的八个关键方面对水文循环的影响。

An aerial view of the skyline of Los Angeles.
Posted inNews

Reaching New Levels in Groundwater Monitoring

by Caroline Hasler 3 November 20223 November 2022

As regions around the world face record-breaking droughts, researchers are using seismology to track groundwater levels and show that sustainable policies reduce strain on aquifers.

Water churns below a large dam.
Posted inResearch Spotlights

How We’re Reshaping Global Water Storage

by Saima May Sidik 21 September 202228 November 2022

Researchers modeled and mapped how eight key aspects of human societies affect hydrological cycles.

A headwater stream flows down the side of a rocky and grassy mountainside under a blue sky.
Posted inOpinions

Protecting the Mountain Water Towers of Spain’s Sierra Nevada

by Bopaiah A. Biddanda, Manuel Villar-Argaiz and Juan Manuel Medina-Sánchez 16 September 202224 August 2023

Students and community members monitor the health of mountain water reserves, which capture and release water, evening out wet and dry periods downstream.

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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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