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freshwater

A pipeline stretches across a flowing river in a small canyon.
Posted inNews

Tracking the Grand Canyon’s Mysterious Springs

Mary Caperton Morton, Science Writer by Mary Caperton Morton 24 February 202016 July 2025

Improved modeling will help protect a crucial drinking water source for both rims of Grand Canyon National Park.

A stream running through a forest
Posted inNews

The Shape of Watersheds

Hannah Thomasy, Science Writer by Hannah Thomasy 21 January 20201 March 2023

Streams in flatter watersheds have carbon cycles more sensitive to temperature increases.

Four charts showing optimal habitats in the floodplain for different stream insects.
Posted inEditors' Highlights

Hydropower and Bugs

by E. Wohl 16 December 201928 February 2023

Alpine hydropower plants commonly flush sediment that accumulates at intakes, but the associated rapid rise in discharge, turbidity, and streambed instability put aquatic insects at risk.

Pools of bright blue water amid ice
Posted inNews

Freshwater Pools Show Antarctica Is More Vulnerable Than We Thought

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 4 October 201927 March 2023

East Antarctica’s lakes cluster in patterns similar to those on Greenland’s ice sheet, which is melting rapidly.

Photo of a coypu on a river bank
Posted inEditors' Vox

Invasive Species Drive Erosion in Aquatic Environments

by G. L. Harvey 18 September 201911 February 2022

The daily activities of mammals, reptiles, crustaceans, and fish influence the physical environment, with invasive burrowing species causing particular disruption in aquatic environments.

Many fish jumping in a river
Posted inNews

Is Chicago Water Pollution Halting a Silver Carp Invasion?

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 12 September 201918 October 2021

Pollution is definitely not the solution to stopping invasive silver carp, researchers assert. But cleaner waters could affect the invasion front.

Rocky, steep-sided desert valley
Posted inNews

The Dawning of the Age of Old Aquifers

Sarah Derouin, Science Writer by Sarah Derouin 21 August 201919 July 2022

A new technique using 81Kr can measure the age of old groundwater in arid regions. The method can be used as a proxy for past climates and weather patterns.

Pond in a field of yellow flowers
Posted inNews

Farm Ponds Sequester Greenhouse Gases

by T. Burke 21 May 201918 October 2021

Despite runoff from nitrogen-rich fertilizer, agricultural ponds act as powerful sinks for nitrous oxide.

Water droplets on leaf
Posted inEditors' Vox

Ecohydrology: What’s in a Name?

by D. Scott Mackay 13 May 20191 April 2022

Scientists were studying ecohydrology for decades before it became an official ‘ology’. Find out how this field has evolved over the past century.

Electric lights illuminate the Nile and its delta in this satellite image captured at night.
Posted inFeatures

The Renaissance of Hydrology

by V. Gabrielle 28 March 201927 October 2022

Hydrology has evolved as a transdisciplinary, data-driven science in a remarkably short period of time.

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

Features from AGU Publications

Research Spotlights

It Takes Three to Model Methane Right

20 August 202620 August 2026
Editors' Highlights

Tectonics and Deglaciation Govern Eastern-Southern Alps at Slow Rates

20 August 202618 August 2026
Editors' Vox

Decoding the Origins of Lightning’s Violent Currents

19 August 202619 August 2026
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