Observations from the surge-type glacier Múlajökull in Iceland underpin new modeling results that suggest the glacier’s drumlins grow during quiet intervals of normal flow between glacial surges.
Journal of Geophysical Research: Earth Surface
Nonflood Flow May Be Major Driver of Delta Growth
Plants and fluctuating river flow work together to balance vertical sediment buildup with sediment delivery to the delta’s edge.
Hot Water, Cold Ice
Despite careful planning, there can be many uncertainties and unknowns about doing field research in remote locations.
Faulty Assumptions Impair Earthquake Hazard Assessment in Italy
Along faults in the Central Apennine Mountains, weather and landslides may cause rock exposure that is mistakenly attributed to earthquakes.
In Patagonian Lakes, Glacial Meltwater Lies Low
A new study reveals key differences in ice-water interactions between glaciers that flow into lakes and glaciers that end in the sea.
New Tool for Understanding Landscape Evolution in Drylands
Combining vegetation distribution models and sediment transport models offers a better understanding of how dryland environments change in response to different factors.
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.
Groundwater: A Hidden Influence on River Shape
A new study shows how groundwater influences river dynamics and channel pattern.
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.
A River Runs Through It, but Why?
Researchers investigate the factors that cause river terraces to form.