Ice Age climate swings shaped the equatorial basin’s terrain—and possibly its ecology—faster than previously thought.
geomorphology
Posted inENGAGE, News
What a Gold Mining Mishap Taught Us About Rivers
Miners in Alaska rerouted a river to search for gold. One hundred years later, the new channel is teaching scientists how rivers shape Earth.
Posted inEditors' Highlights
Grain Scale Dynamics During Barchan-Barchan Interactions
A new study pinpoints grain scale dynamics during binary interactions between barchan dunes.
Posted inNews
Powerful Glacial Floods Heave Himalayan Boulders
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.
Posted inResearch Spotlights
Tracing the Past Through Layers of Sediment
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.
Posted inResearch Spotlights
Finding Natural Solutions to Man-Made Problems in River Deltas
Decades of research on river deltas identify gaps in our knowledge of delta behavior and the tools required to fill them in.
Posted inFeatures
Reflections on the Legacy of Grove Karl Gilbert, 1843–1918
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.
Posted inResearch Spotlights
A New Model of Drumlin Formation
Observations from the surge-type glacier Múlajökull in Iceland underpin new modeling results that suggest the glacier’s drumlins grow during quiet intervals of normal flow between glacial surges.
Posted inOpinions
Mapping the Topographic Fingerprints of Humanity Across Earth
If increasingly globalized societies are to make better land management decisions, the geosciences must globally evaluate how humans are reshaping Earth's surface
Posted inScience Updates
Augmented Reality Turns a Sandbox into a Geoscience Lesson
Superimposing responsive digital effects onto sand in a sandbox places educators, students, and policy makers in an augmented reality, offering a hands-on way to explore geoscience processes.