Miners in Alaska rerouted a river to search for gold. One hundred years later, the new channel is teaching scientists how rivers shape Earth.
geomorphology
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
Hurricane Maria Killed Mangroves Months After Storm
An overgrown channel between a lagoon and the ocean on the Puerto Rican island of Vieques created a backup of freshwater, disrupting the delicate balance of salinity in coastal mangrove forests.
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 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 inResearch Spotlights
Dynamics of the Earth's Surface in the Eastern Tibetan Plateau
River erosion increased rapidly following rock uplift events in the plateau approximately 11 million years ago.