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water supply

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.

Posted inResearch Spotlights

Epidemiology Can Help Predict Urban Water System Failures

by S. Palus 18 November 201428 October 2022

How are broken water pipes like fatalities in a heat wave? Researchers look to an epidemiological model to better care for infrastructure.

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

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