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rivers

Aerial image of the braided channels of the Waimakariri River
Posted inFeatures

The River’s Lizard Tail: Braiding Indigenous Knowledges with Geomorphology

by Kate Evans 14 September 20208 October 2021

Indigenous Knowledges can be accurate, rigorous, and precise, say researchers in New Zealand, and they can help geomorphologists see landscapes in a new, richer way.

Four maps of the Red River region in different periods of geologic history showing composition of sediment samples
Posted inEditors' Highlights

A River Ran Through It

by Peter van der Beek 19 August 202026 January 2023

The history of river system in southeast Tibet and Indochina reconstructed using the ages of thousands of zircon sand grains in modern and ancient river sediments.

Aerial view of a meandering dry riverbed
Posted inNews

Frequently Dry Waterways Still Contribute to Carbon Emissions

Sarah Derouin, Science Writer by Sarah Derouin 11 June 202030 November 2022

A new international collaboration found that dry inland waters—no matter where they were located—contributed significant global carbon dioxide emissions.

Tourists stand on a platform to view the rapids at Tiger Leaping Gorge along the Jinsha River in China
Posted inScience Updates

Asia’s Mega Rivers: Common Source, Diverse Fates

by S. A. Kuehl, S. Yang, F. Yu, Y. Copard, J. Liu, C. A. Nittrouer and J. Xu 14 May 20202 November 2021

How do humans affect the ways that Asia’s mega rivers deliver sediment and dissolved matter to farms, river deltas, and, eventually, the sea? A proposed study would construct an integrated picture.

Image of the Jezero delta on Mars
Posted inEditors' Highlights

How Fast Did an Ancient Martian Delta Form?

by F. Nimmo 23 April 202019 September 2023

Terrestrial meander migration rates are used to estimate a formation timescale of decades for Jezero delta on Mars.

A mountain stream in the Swiss Alps
Posted inNews

Mountain Streams Exhale More Than Their Share of CO2

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 20 April 202030 March 2023

Streams that flow down mountainsides are more turbulent than those that run along forest floors, which leads to faster gas exchange between water and air.

A stream in the Zackenberg Valley of northeastern Greenland
Posted inResearch Spotlights

How Will Climate Change Affect Arctic Stream Slime?

Kate Wheeling, freelance science writer by Kate Wheeling 15 April 202024 February 2023

Rising temperatures and thawing permafrost will change nutrient concentrations in Arctic waterways, which will influence the growth of biogeochemically important biofilms.

banks of the lower Kolyma River at Duvannyi Yar in northern Siberia erode and collapse toward the river in August 2018.
Posted inResearch Spotlights

Organic Matter in Arctic River Shows Permafrost Thaw

by David Shultz 7 April 202029 September 2021

Samples from two waterways in northern Siberia—the main stem of the Kolyma River and a headwater stream in the river’s watershed—indicate the differing sources and ages of carbon they contain.

Aerial view of a flat floodplain delta, agricultural land, and a town beyond
Posted inResearch Spotlights

Finding Natural Solutions to Man-Made Problems in River Deltas

Kate Wheeling, freelance science writer by Kate Wheeling 3 April 202019 September 2023

Decades of research on river deltas identify gaps in our knowledge of delta behavior and the tools required to fill them in.

Satellite view of the Lena River delta in June 2019
Posted inResearch Spotlights

River Deltas at the Top of the World

Elizabeth Thompson by Elizabeth Thompson 20 March 202019 September 2023

The water that filters through river deltas has a large effect on the Arctic Ocean. A new study explores factors that shape Arctic river deltas and how delta form in turn changes water flow.

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Research Spotlights

Coherent, Not Chaotic, Migration in the Brahmaputra-Jamuna River

2 July 20252 July 2025
Editors' Highlights

The Mid-20th Century Winter Cooling in the Eastern U.S. Explained

3 July 20253 July 2025
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Water Tracks: The Veins of Thawing Landscapes

25 June 202525 June 2025
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