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rivers

The Colorado River winds through canyons near Page, Ariz.
Posted inNews

Endangered Rivers Plagued by Pollution, Climate Change, and Outdated Management

by Jennifer Schmidt 19 April 202219 April 2022

The annual list of America’s Most Endangered Rivers includes practical calls to action to turn the tide on threatened U.S. waterways.

A dog sits next to a backpack on a dirt road in a desert landscape.
Posted inFeatures

Incredible Journeys on the Crown of the Continent

Mary Caperton Morton, Science Writer by Mary Caperton Morton 15 April 202215 April 2022

Living in Geologic Time: The making, breaking, and backpacking of North America’s Continental Divide.

Satellite image of the Mississippi River near Memphis, Tenn., with a false-color overlay
Posted inScience Updates

A Sharper Look at the World’s Rivers and Catchments

by Bernhard Lehner, Achim Roth, Martin Huber, Mira Anand and Michele Thieme 12 April 202210 March 2023

Digital hydrographic maps have transformed global environmental studies and resource management. A major database update will provide even clearer and more complete views of Earth’s waterways.

Figure 1 from the paper, showing the depiction of a multiple-reservoir system and the system that is used in the computation of the index.
Posted inEditors' Highlights

A New Index to Assess Multiple-Reservoir Effects on Peak Floods

by Georgia Destouni 11 April 202220 May 2022

A simple, yet quantitative, index is demonstrated to quantify reductions in the peak flood resulting from multiple reservoirs, arranged in series along the same river reach.

Vehicles cross a bridge over the Ravi River in Lahore, Pakistan, at sunset.
Posted inNews

Pharmaceuticals Found in Rivers on All Continents

by Jordan Wilkerson 22 March 202222 March 2022

A quarter of 258 observed rivers had unsafe levels of at least one drug. The findings raise concerns about Earth’s aquatic life and the global threat of antimicrobial resistance.

Photo of gray dirt hill covered with burnt trees.
Posted inNews

Forest Fires Could Boost Western U.S. Water Supplies

by Jennifer Schmidt 21 February 202222 February 2022

Streamflow in the West has been below average since the early 2000s, but a new analysis shows that streams aren’t as dry as expected.

Chicago, Ill., along the shore of Lake Michigan
Posted inNews

Lake Michigan’s Salinity Is on the Rise

by Robin Donovan 7 February 202227 March 2023

Road salt is primarily to blame for the shift, though the water remains within safe levels for now.

An aerial view of an Amazonian landscape, colored by elevation
Posted inResearch Spotlights

How Climate Change Shaped the Amazon’s Land and Life

by Rebecca Dzombak 28 January 202228 January 2022

Ice Age climate swings shaped the equatorial basin’s terrain—and possibly its ecology—faster than previously thought.

Logjam in the Middle Fork Snoqualmie River located in Washington
Posted inNews

From River to Sea: Estimating Wood Cascades

by Carolyn Wilke 21 January 202227 March 2023

Dams and deforestation have chipped away at the millions of cubic meters of wood that flow through rivers and out to sea.

Cataracts of the Nile River located between Khartoum, Sudan, and Aswan, Egypt
Posted inResearch Spotlights

Recovering Mantle Memories from River Profiles

Kate Wheeling, freelance science writer by Kate Wheeling 14 January 202214 January 2022

Researchers use a closed-loop modeling strategy to validate regional uplift patterns recorded in river profiles across the African continent.

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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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