Living in Geologic Time: How long will it take for erosion to erase Mount Rushmore?
erosion & weathering
Posted inEditors' Highlights
Self-Repairing Blemishes on the Surface of Mars
A new study of small impact craters at Mars landing sites suggests that active processes degrade and infill depressions at similar rates in locations separated by thousands of kilometers.
Posted inResearch Spotlights
Megaripple Migration Offers Insights into Martian Atmosphere
The movement of large sand ripples, documented for the first time, suggests Mars is windier than we thought.
Posted inNews
The Ticking Time Bomb of Arctic Permafrost
Arctic infrastructure is under threat from thawing permafrost.
Posted inEditors' Highlights
Meteoric 10Be Reveals Lithological Control on Erosion Rates
New meteoric 10Be data quantify fast erosion of slates in the Zhuoshui River catchment in Taiwan and demonstrate the influence of lithology on landscape steepness.
Posted inEditors' Highlights
Arctic Coast Erosion Linked to Large-Scale Climate Variability
Changes in rates of Arctic coastal erosion detected from multi-decadal measurements are attributed to the shorter duration in the winter sea ice coverage and large-scale changes in the wind patterns.
Posted inResearch Spotlights
Mapping Martian Dunes from Orbit
New research shows how fast the sands shift on the Red Planet and how useful imagery from different orbiting cameras can be in studies of Mars’s dunes.
Posted inNews
Precipitation Plays a Key Role in Glacial Erosion
After comparing the climatic conditions at dozens of glaciers worldwide, researchers find that precipitation, not temperature, is the leading environmental factor driving glacial erosion.
Posted inNews
A Dirty Truth: Humans Began Accelerating Soil Erosion 4,000 Years Ago
Recent research combining analysis of carbon dating, sediment accumulation rates, and pollen records from 632 lake beds worldwide finds deforestation tied to increased soil erosion.
Posted inFeatures
Will Earth’s Grandest Canyon Keep Getting Grander?
Living in Geologic Time: Rafting through the past, present, and future of the Colorado River and the Grand Canyon.