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Colorado River

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.

Photo of a dry Peabody River—brown and gray boulders in a streambed in center, surrounded by greenery.
Posted inNews

U.S. Streams Are Drying Up

by Jennifer Schmidt 28 October 20228 November 2022

A new study reports that streamflow drought is getting more intense in some parts of the United States, a phenomenon that is stressing the nation’s water policy and infrastructure.

Aerial view of the Colorado River
Posted inNews

Building Resilience in the Face of a Dwindling Colorado River

Jane Palmer, Science Writer by Jane Palmer 5 August 202225 October 2022

Policymakers, industry and conservation professionals, and tribal members explore pathways to a sustainable future for the millions of people reliant on the “lifeblood of the American West.”

The Colorado River flows through the Grand Canyon in northwestern Arizona.
Posted inScience Updates

Reimagining the Colorado River by Exploring Extreme Events

by K. L. Jacobs, A. McCoy, S. Martin and A. K. Gerlak 12 November 20206 January 2022

Workshops exploring environmental, social, and political scenarios to prepare for negotiating new Colorado River water management guidelines took on added realism when the COVID-19 pandemic started.

A raft’s eye view of rapids on the Colorado River in the Grand Canyon
Posted inFeatures

Will Earth’s Grandest Canyon Keep Getting Grander?

Mary Caperton Morton, Science Writer by Mary Caperton Morton 19 November 20193 November 2021

Living in Geologic Time: Rafting through the past, present, and future of the Colorado River and the Grand Canyon.

Black-and-white photo of a man sitting on a sand bank in a deep river canyon
Posted inFeatures

Green and Grand: John Wesley Powell and the West That Wasn’t

Korena Di Roma Howley, Science Writer by Korena Di Roma Howley 23 May 20199 March 2023

One hundred fifty years ago, the explorer and scientist argued that the West needed smart development. Now the fast-growing region is playing catch-up.

Lake Powell low water Colorado River Utah Arizona
Posted inScience Updates

Is the Recent Drought on the Colorado River the New Normal?

by J. J. Barsugli, M. P. Hoerling and B. Livneh 1 March 201915 February 2023

Understanding Historical Changes in the Flow of the Colorado River; Boulder, Colorado, 24–25 September 2018

A view of drought-stricken Lake Mead
Posted inResearch Spotlights

Rising Temperatures Reduce Colorado River Flow

Sarah Stanley, Science Writer by Sarah Stanley 18 February 20193 March 2023

Hotter conditions have played a much greater role in reducing flow during the ongoing Millennium Drought than in a mid-20th century drought.

Posted inResearch Spotlights

Using Sound Waves to Study Grand Canyon Sediment

by E. Betz 13 July 20152 February 2022

New technology could help scientists understand how experimental floods from Glen Canyon Dam restore sandbars downstream.

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.

Features from AGU Journals

RESEARCH SPOTLIGHTS
Earth’s Future
“How to Build a Climate-Resilient Water Supply”
By Rachel Fritts

EDITORS' HIGHLIGHTS
AGU Advances
“How Do Atmospheric Rivers Respond to Extratropical Variability?”
By Sarah Kang

EDITORS' VOX
Reviews of Geophysics
“Rare and Revealing: Radiocarbon in Service of Paleoceanography”
By Luke C. Skinner and Edouard Bard

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