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water supply

Posted inNews

New Study Reveals How Much Groundwater Remains

by S. Kelleher 20 November 20153 March 2023

Researchers have calculated for the first time the volumes of recently accumulated groundwater reserves worldwide—the "young" groundwater that most of humanity depends on.

Posted inEditors' Vox

Celebrating Hydrology Research Though 50 Years of WRR

by Alberto Montanari 11 November 20156 February 2023

The legacy of Water Resources Research provides a strong scientific foundation for the hydrology community to rise to the challenges of sustainable water resources management

Posted inScience Updates

Satellite Data for Water Resources Management

by J. D. Bolten, Christine Lee and P. Houser 28 September 20153 March 2023

2015 NASA Applied Sciences Program, Water Resources Team Meeting; College Park, Md., 3–4 March 2015

Posted inOpinions

How Can We Better Understand Low River Flows as Climate Changes?

by I. Pal, E. Towler and B. Livneh 6 August 201515 February 2023

When rivers run low, they threaten ecosystems, economies, and the communities who depend on them. Scientists need to determine how climate change alters this process, but to do so, they'll have to abandon a long-held assumption.

Posted inScience Updates

Coping with Future Water Woes in the Western United States

by E. Bruno 17 July 201520 October 2021

Water Scarcity in the West: Past, Present, and Future; Davis, California, 6–7 April 2015

Posted inResearch Spotlights

Satellite Measurements May Help Real-Time Water Management

by Terri Cook 9 June 201530 March 2023

Upper Niger River study shows that satellite altimetry could help resource managers optimize reservoir releases even on ungauged rivers.

Posted inFeatures

Building Sandbars in the Grand Canyon

by P. E. Grams, J. C. Schmidt, S. A. Wright, D. J. Topping, T. S. Melis and D. M. Rubin 3 June 201530 March 2023

Annual controlled floods from one of America's largest dams are rebuilding the sandbars of the iconic Colorado River.

Posted inNews

Ancient Roman Aqueducts Could Spill Climate Secrets

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 19 March 201515 February 2023

Thick layers of mineral deposits that coat the aqueducts could provide a vast pool of information about climate during the Roman Empire.

High waves buffet Michigan’s Grand Haven Lighthouse, located on the eastern shore of Lake Michigan.
Posted inScience Updates

Water Levels Surge on Great Lakes

by A. D. Gronewold, A. H. Clites, J. Bruxer, K. W. Kompoltowicz, J. P. Smith, T. S. Hunter and C. Wong 17 March 201518 August 2025

The recent 2-year surge represents one of the most rapid rates of water level change on the Great Lakes in recorded history and marks the end of an unprecedented period of low water levels.

Posted inNews

Satellites Show True Extent of California Drought

by N. Weiler 18 December 201410 September 2025

Since 2011, California’s water supply has lost 4 trillion gallons per year and the Sierra Nevada snowpack has hit record lows.

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A view of a bridge, with the New Orleans skyline visible in the distance between the bridge and the water. A purple tint, a teal curved line representing a river, and the text “#AGU25 coverage from Eos” overlie the photo.

Features from AGU Publications

Research Spotlights

Which Countries Are Paying the Highest Price for Particulate Air Pollution?

28 January 202628 January 2026
Editors' Highlights

Cows, Coal, and Chemistry: The Role of Photochemistry in Methane Budget

27 January 202623 January 2026
Editors' Vox

Bridging the Gap: Transforming Reliable Climate Data into Climate Policy

16 January 202616 January 2026
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