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bedrock

Comparative images of real and generated rock thin sections.
Posted inEditors' Highlights

Rock Solid Augmentation: AI-Driven Digital Rock Analysis

by Stefan Kollet 21 May 202521 May 2025

Boosting digital rock images with AI-powered augmentation and quality analysis could improve subsurface engineering decisions.

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.

Diagram from the study.
Posted inEditors' Highlights

Will It Run Away? Documenting Creep Bursts in a Slow-Moving Landslide

by Mikaël Attal 6 February 20256 February 2025

After 11-years of monitoring a slow-moving landslide and its shear zone in Norway, scientists reveal a complex pattern of creep bursts that require a rethink of the driving mechanisms.

Two diagrams
Posted inEditors' Highlights

How Does Subsurface Lithology Speak to Hillslope Morphology?

by Erkan Istanbulluoglu 5 November 20245 November 2024

Subsurface flow hydrology connects soils and bedrock lithology to long-term catchment evolution in humid landscapes.

A small river coursing through a rock gorge.
Posted inEditors' Highlights

Going Through a Rough Patch: Modeling Sediment Moving in Rivers

by Enrica Viparelli and Mikaël Attal 15 February 202415 February 2024

Irregularities of the rocky surface due to bumps and sediment patches are key to capturing the movement of sediment grains in rivers.

Small waves crashing on the coast with a city skyline in the background.
Posted inNews

Supersized Potholes Discovered off South African Coast

by J. Besl 8 June 20238 June 2023

Curious circular pits off South Africa’s Eastern Cape coast are larger than any similar feature previously recorded. Their origin remains a morphological mystery.

Diagram from the paper.
Posted inEditors' Highlights

Inductive Approach Reveals Controls on Dissolved Organic Carbon

by Adam S. Ward 5 May 20235 May 2023

Machine learning leverages large data sets to reveal hidden patterns explaining when, where, and why dissolved organic carbon moves from hillslopes to streams.

Three field photos of the study area.
Posted inEditors' Highlights

Searching for Earth’s Oldest Rocks in its Youngest Deposits

by Peter van der Beek 18 August 202225 August 2022

By sampling and analyzing zircons from glacial eskers dating from about 20,000 years ago, the extent of the oldest known rocks on Earth can be better mapped and constrained.

Three figures from the paper showing a map of bedrock channels on the seafloor, an image of a remotely-operated vehicle, and an image of potholes.
Posted inEditors' Highlights

New Observations Reveal Ancient Subglacial Water Paths

by Olga Sergienko 13 April 20222 August 2022

Analyses of new shipboard and ROV observations of bedrock channels carved by floods and outbursts from subglacial lakes under Antarctica shed light on complex subglacial processes.

Gyldenlove Glacier discharges into a fjord in southern Greenland.
Posted inNews

“Sticky” Ice Sheets May Have Led to More Intense Glacial Cycles

by Clara Chaisson 5 January 20222 July 2024

New research attributes a shift to longer, stronger glacial cycles to increased friction between ice sheets and bedrock in the Northern Hemisphere 1 million years ago.

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Features from AGU Publications

Research Spotlights

Simplicity May Be the Key to Understanding Soil Moisture

23 May 202523 May 2025
Editors' Highlights

Creep Cavitation May Lead to Earthquake Nucleation

22 May 202521 May 2025
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Decoding Crop Evapotranspiration

6 May 20256 May 2025
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