A new algorithm incorporates randomness into stream channel formation and suggests the approach represents regions with variable flood magnitudes better than standard models.
erosion & weathering
Posted inScience Updates
Updates on Understanding Mars’s Recent and Present-Day Climate
Mars Workshop on Amazonian and Present-day Climate; Lakewood, Colorado, 18–22 June 2018
Posted inGeoFIZZ
Self-Guided Tour of the Geology in D. C. Buildings
The architecture of the nation’s capital reveals a secret geologic history—take a walking tour to spot the interesting fossils and minerals in the stones used to build the halls of power.
Posted inNews
Glacial Lake Outburst Flood Captured in Seismic Recordings
A flood that thundered through eastern Nepal in July 2016 left a telltale seismic signature and caused more erosion than local monsoon rains, new research shows.
Posted inResearch Spotlights
Peering Through Titan’s Haze to Better Understand Its Surface
Variations in grain size and water ice content detected on Saturn’s largest moon offer evidence of geologically related units that resemble the mountain-to-desert transition on Earth.
Posted inResearch Spotlights
Carbon Release from Permafrost Erosion Along the Yukon Coast
New findings highlight the need to account for large amounts of ground ice contained in frozen soil when assessing Arctic carbon cycling.
Posted inScience Updates
Planetary Dune Workshop Expands to Include Subaqueous Processes
The Fifth International Planetary Dunes Workshop: From the Bottom of the Oceans to the Outer Limits of the Solar System; St. George, Utah, 16–19 May 2017
Posted inResearch Spotlights
Space Weathering Asymmetrically Alters Lunar Crater Walls
Directional differences in craters’ optical properties suggest that the solar wind, not tiny meteorites, is the main driver of space weathering on the Moon.
Posted inEditors' Vox
A Rover’s Eye View of Moving Martian Dunes
A new special issue of JGR: Planets presents findings on sand motion, morphology, and mineralogy from the Curiosity rover’s traverse of the active Bagnold dune field in Gale crater.
Posted inResearch Spotlights
Run-Ups of Unusual Size
Not all waves are created equal when it comes to eroding sandy shorelines. Here’s a look at the physics that drives the big ones.