Weathering of rocks can control Earth’s temperature over geologic timescales, new geochemical data suggest.
erosion & weathering
Posted inEditors' Vox
Peering into the Cracks
A recent article in Reviews of Geophysics combined mathematical modeling, fracture mechanics theory and engineering research data to provide new insights into a critical geological process.
Posted inResearch Spotlights
Modeling Ocean Waves over Rocky Reefs
A field survey in Australia links rugged seafloor terrain to erosion-causing waves.
Posted inResearch Spotlights
How Quickly Is Mercury’s Surface Evolving?
New measurements of impact craters on Mercury’s smooth plains suggest that the topography of the solar system’s innermost planet is changing at twice the rate of landforms on the Moon.
Posted inResearch Spotlights
Cosmic Muons Reveal the Land Hidden Under Ice
Scientists accurately map the shape of the bedrock beneath a glacier using a new technique.
Posted inResearch Spotlights
A Mountain Range's History Preserved in Ocean Sediments
Fission track dating core samples from the Gulf of Alaska demonstrates that offshore sediments can be used to reconstruct a mountain range's changing exhumation patterns.
Posted inResearch Spotlights
Oil Residues Accelerate Coastal Wetland Losses
Coastal wetland loss after an oil spill can be more extensive than after a hurricane.
Posted inResearch Spotlights
Unprecedented Views of Mercury Constrain Hollow Formation
The consistently shallow depths of the depressions scattered across Mercury's surface suggest their morphology is not determined by the thickness of a volatile-rich outer layer.
Posted inResearch Spotlights
How Do Gullies Form on Mars?
New orbiter data support an important role for seasonal frost—not liquid water—in the formation of Martian gullies.
Posted inResearch Spotlights
Minerals Hint at Liquid Groundwater, More Oxygen in Mars's Past
Manganese deposits in Gale Crater fractures are similar to Earth features that usually require flowing water and highly oxidizing conditions.