A new chronology shows that ice-free areas existed along the British Columbia coast earlier than previously thought.
Cosmogenic-nuclide exposure dating
Posted inResearch Spotlights
How Do Tropical Forests Slow Knickpoints in Rivers?
Using Puerto Rico's Luquillo Mountains as a case study, scientists use the region's geological history to study how knickpoints—areas where there's a sharp change in the river's slope—move over time.