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rivers

Diagram from the study.
Posted inEditors' Highlights

Logjams Promote Floodplain Complexity and Hydraulic Resistance

by Valeriy Ivanov 17 December 202417 December 2024

Using a new model, scientists compare logjam hydraulic impact across 37 reaches observed over 11 years in the Colorado Rockies.

View of a wide creek surrounded by trees
Posted inNews

Mobile Bay Has More Branching Brooks Than Shown on Federal Maps

by Mark DeGraff 16 December 202416 December 2024

A more accurate charting of the full extent of stream networks will help land managers better protect U.S. creeks and rivers.

A wide, blue river is bordered on both sides by green mountains.
Posted inResearch Spotlights

New Insight into Inland Water Carbon Dioxide Emissions

by Rebecca Owen 21 November 202421 November 2024

A process-based modeling technique reveals surprising information about carbon emissions from rivers, lakes, and reservoirs across the contiguous United States.

Two river channels in a flat, forested landscape
Posted inNews

New Rules for Catastrophic River Avulsion

by Sushmita Pathak 21 November 202421 November 2024

Scientists thought two factors influencing river avulsion were unrelated, but new research suggests they may be working in tandem. The findings could help predict new river pathways and improve disaster preparedness.

Photo of a muddy river.
Posted inEditors' Highlights

Physics and Biology as Likely Stream Bedfellows

Eric Davidson, president-elect of AGU by Eric Davidson 18 November 202415 November 2024

Streambeds are key sites for removal of nutrients and other contaminants through microbial processes, but are limited by diffusion, which can now be modeled from streambed physical properties.

Field photo of a mountainous region covered with long grass and shrubs.
Posted inEditors' Highlights

Elementary, My Dear: Al & Be Give Evidence of Past Climate Change

by Mikaël Attal 14 November 202412 November 2024

10Be and 26Al concentrations in river sand reveal an increase in erosion rate in the Brazilian Highlands consistent with the Mid-Pleistocene Transition, a major climatic shift that occurred about 1 million years ago.

Photo of a rocket launch
Posted inEditors' Highlights

Improvements to Measuring the Ups and Downs of the Landscape

by Dennis Baldocchi 8 November 20247 November 2024

If you are a jazz fan, you may be familiar with Ella Fitzgerald singing ‘How deep is the ocean, how high is the sky’. Using data from the Shuttle Radar Topography Mission we now know how high the land really is.

Artist’s interpretation of a river on Mars, stretching off into the distance, where there is a wall of ice. Red soil is on either side of the water.
Posted inResearch Spotlights

How an Ocean-Sized Lake May Have Formed on Ancient Mars

by Saima May Sidik 6 November 20246 November 2024

The catastrophic collapse of Mars’s atmosphere may have melted its polar ice cap, creating an ice-covered southern sea.

Several human-constructed logs, which look like fibrous materials surrounded by rope netting, lie parallel to a river along a green bank. A tree lays perpendicular to the coir logs.
Posted inNews

On the Wisconsin-Iowa Border, the Mississippi River Is Eroding Sacred Indigenous Mounds

by Madeline Heim and Frank Vaisvilas 24 October 202424 October 2024

A multimillion-dollar bank stabilization project could protect historic sites dating back thousands of years.

O Sol poente fica logo acima do horizonte e sob um céu parcialmente nublado, com um corpo de água em primeiro plano.
Posted inResearch Spotlights

Insights Biogeoquímicos de um Importante Rio Amazônico

Aaron Sidder, freelance science writer by Aaron Sidder 22 October 202422 October 2024

Sub-representados nos orçamentos globais de carbono, rios tropicais como o Tocantins, no Brasil, necessitam de estudos para estabelecer suas características de base face às crescentes mudanças globais.

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25 June 202525 June 2025
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