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rivers

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.

Field photos of the study area.
Posted inEditors' Highlights

The Delicate Balance of Permafrost in Arctic River Floodplains

by Susan Trumbore 3 October 20241 October 2024

To evaluate the vulnerability of permafrost in Arctic floodplain landscapes to warming, scientists explore dynamics of its loss and reformation.

Mount Everest seen from far away
Posted inNews

A Pirate River May Be Giving Mount Everest a Boost

by Nathaniel Scharping 30 September 202430 September 2024

Rapid erosion can cause mountains to rise—even the world’s tallest peak.

Photo of the Himalayas.
Posted inEditors' Highlights

Sediment Dampens the Impact of Glaciation on Cenozoic Denudation

by Ann Rowan 9 September 20244 September 2024

Rates of continental-scale sediment flux and denudation are similar between glacial and interglacial periods when the aggradation of glacier-eroded sediment inhibits fluvial erosion downstream.

People floating in colorful tubes in the distance down gentle river rapids.
Posted inNews

Labor Day Dips Alter Stream Composition

by Grace van Deelen 30 August 20242 June 2025

Holiday weekend tubing introduces toxic chemicals and shifts microbial communities in a popular Colorado river.

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15 September 202515 September 2025
Editors' Highlights

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16 September 202511 September 2025
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Experienced Researcher Book Publishing: Sharing Deep Expertise

3 September 202526 August 2025
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