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erosion & weathering

Diagram from the study.
Posted inEditors' Highlights

How Rock Type Shapes River Networks and Influences Landscape Evolution

by Marisa Repasch 10 February 20256 February 2025

A new study in Chile shows how small differences in rock type can drive large differences in erosion, vegetation, and river networks, illuminating the role of mineralogy in shaping landscapes.

An atoll (a ring-shaped island) is seen from above.
Posted inNews

A Seychelles Shoreline Resists the Rising Seas

by Caroline Hasler 21 January 202524 March 2025

The geomorphology of a protected atoll likely contributed to its ability to maintain its shoreline over a turbulent half-century.

Park rangers walk away from marine debris. A small stump appears by the waterline.
Posted inNews

Buried Tree Stumps Show Shoreline Shifts of the Outer Banks

by J. Besl 11 December 202416 July 2025

Storms are unburying centuries-old stumps on North Carolina’s barrier islands. Researchers hope these long-gone forests can help land managers plan for the future.

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.

Field photo of a rock outcrop.
Posted inEditors' Highlights

Structural Inversion of an Intracratonic Rift System in Deep Time

by Alexis Ault 31 October 202431 October 2024

A new study reconstructs how an ancient North American rift system was uplifted in space and time due to subsequent continent-continent collision.

A satellite image shows the white storm clouds of a cyclone swirling off the arid coast of Libya.
Posted inNews

Torrents of Sediment-Laden Water Worsened Disastrous Libyan Floods

by Elise Cutts 25 October 202425 October 2024

Drought followed by torrential rain can unleash deadly floods in arid regions, like those that affected Libya in 2023.

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.

A coastline is seen from above. The area is mostly covered in greenery, but what appears to be a large landslide has uncovered gray soil that is falling into the blue ocean.
Posted inResearch Spotlights

Down in the Slumps: Tracing Erosion Cycles in Arctic Permafrost

Aaron Sidder, freelance science writer by Aaron Sidder 21 October 202421 October 2024

Climate change is altering permafrost thaw cycles and leading to unique Arctic erosional problems.

Posted inResearch Spotlights

California Wildfires and Weather Are Changing Erosion Patterns

by Rebecca Owen 17 October 202417 October 2024

Sediment runoff from the state’s increasingly severe wildfires and heavy rain events may affect ecosystems and water resources downstream.

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.

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7 August 20257 August 2025
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7 August 20255 August 2025
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