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geomorphology

Photograph of migrating sand shoals
Posted inEditors' Vox

Can We Better Predict Coastal Change?

by Jaap Nienhuis, Florent Grasso, Evan B. Goldstein, Robert Kopp, Kristen Splinter and Kristy Tiampo 17 June 202216 June 2022

A new special collection invites studies on a new era of models and knowledge that provide predictions or insights into predictability in coastal geomorphology.

An aerial view of an Amazonian landscape, colored by elevation
Posted inResearch Spotlights

How Climate Change Shaped the Amazon’s Land and Life

by Rebecca Dzombak 28 January 202228 January 2022

Ice Age climate swings shaped the equatorial basin’s terrain—and possibly its ecology—faster than previously thought.

A black-and-white photograph of a river.
Posted inNews

What a Gold Mining Mishap Taught Us About Rivers

by Jenessa Duncombe 13 January 202221 March 2022

Miners in Alaska rerouted a river to search for gold. One hundred years later, the new channel is teaching scientists how rivers shape Earth.

Visualization of the trajectories of some sand grains during two different kinds of barchan-barchan interactions.
Posted inEditors' Highlights

Grain Scale Dynamics During Barchan-Barchan Interactions

by Thomas Pähtz 8 October 20218 October 2021

A new study pinpoints grain scale dynamics during binary interactions between barchan dunes.

Long, nearly straight lines of sand ridges on Mars
Posted inNews

Megaripples on Mars—How to Name Wind-Shaped Features on the Red Planet

by Nola Taylor Tillman 30 August 202114 April 2022

New research suggests a more settled terminology for Martian aeolian landforms based on size and geomorphology.

Posted inAGU News

Anderson Receives 2020 G. K. Gilbert Award in Surface Processes

by AGU 1 July 202114 April 2022

Suzanne P. Anderson received the 2020 G. K. Gilbert Award in Surface Processes at AGU’s virtual Fall Meeting 2020. The award recognizes “sustained and outstanding contributions to the field of Earth and planetary surface processes from a mid-career or senior scientist.”

Two people on top of a boulder
Posted inNews

Powerful Glacial Floods Heave Himalayan Boulders

by Katherine Kornei 6 November 20206 January 2022

Many of the house-sized boulders that litter Himalayan river channels were transported thousands of years ago by glacial lake outburst floods, new observations suggest.

Layers of sediment are exposed on a hillslope in the Bighorn Basin of Wyoming.
Posted inResearch Spotlights

Tracing the Past Through Layers of Sediment

by Aaron Sidder 1 May 202029 September 2021

Signals in layers of sedimentary rock hint at climates and ecosystems come and gone. Understanding this history can help us forecast the future, but challenges abound.

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

by Kate Wheeling 3 April 202010 February 2022

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

Geomorphology pioneer Gilbert’s groundbreaking work in the American West include a study or Utah’s Henry Mountains.
Posted inFeatures

Reflections on the Legacy of Grove Karl Gilbert, 1843–1918

by R. S. Anderson 28 December 201812 November 2021

In the company of other explorers as passionate as he was about geomorphology, Gilbert derived one fundamental geological insight after another from the landscapes of the American West.

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