Miners in Alaska rerouted a river to search for gold. One hundred years later, the new channel is teaching scientists how rivers shape Earth.
erosion & weathering
Posted inNews
Drones and Crowdsourced Science Aid Great Lakes Data Collection
Important data collection can aid coastal monitoring and management.
Posted inResearch Spotlights
New Theory Connects Tree Uprooting and Sediment Movement
Tree throw from extreme wind events plays an important role in the movement of sediment and erosion on forested hillslopes. A new theory offers a novel way to measure its impact.
Posted inEditors' Highlights
Impacts by Moving Gravel Cause River Channels to Widen or Narrow
A new analytical model describes how the amount and grain size of sediment transported by rivers influences bedrock channel width, which can be used to predict where rivers will widen or narrow.
Posted inEditors' Highlights
Himalayan Tectonics in the Driver’s Seat, Not Climate?
Earth’s oscillating climate is a natural guess to explain cyclic patterns in erosion, but new sediment data suggests that cyclicity may emerge from tectonic processes adding material to the Himalaya.
Posted inResearch Spotlights
Is Venus Volcanically Active? New Approach Could Provide an Answer
A strategy that combines geologic mapping with data on how the planet’s surface emits and absorbs microwave radiation could potentially identify recent lava flows.
Posted inNews
Megaripples on Mars—How to Name Wind-Shaped Features on the Red Planet
New research suggests a more settled terminology for Martian aeolian landforms based on size and geomorphology.
Posted inResearch Spotlights
La primera mirada de la meteorización a escala angstrom
Investigadores observan cómo el vapor de agua y el líquido alteran las rocas sedimentarias a través de procesos físicos y químicos.
Posted inEditors' Highlights
After the Dust Cleared: New Clue on Mars’ Recurring Slope Lineae
An imaging campaign after the 2018 planet-encircling dust storm on Mars revealed a significant increase in detections of enigmatic recurring slope lineae and new insights into how they might form.
