Journal of Geophysical Research: Earth Surface Archives - Page 9 of 12

Researchers use radar imaging to examine how snow temperature influences avalanche behavior

Peering Beneath the Powder: Using Radar to Understand Avalanches

by Terri Cook 6 April 201831 March 2023

High-resolution radar images from Switzerland’s experimental test site show that snow temperature is a key factor in classifying avalanche behavior.

Editors' Highlights

Untangling Sediment Transport Through River Networks

by J. Buffington 19 February 201824 February 2022

A stochastic sediment routing model for river networks is inverted to determine sediment source areas based on point observations of grain size and sediment flux at the basin outlet.

Researchers compare observations and modeling to track the growth of drumlins beneath a surge-type glacier

Research Spotlights

A New Model of Drumlin Formation

by Terri Cook 8 February 201823 March 2023

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.

Researchers use a laboratory experiment to assess how nonflood river flow influences delta growth.

Research Spotlights

Nonflood Flow May Be Major Driver of Delta Growth

by Sarah Stanley 12 December 201719 September 2023

Plants and fluctuating river flow work together to balance vertical sediment buildup with sediment delivery to the delta’s edge.

Editors' Vox

Hot Water, Cold Ice

by B. Hubbard 14 September 201711 April 2023

Despite careful planning, there can be many uncertainties and unknowns about doing field research in remote locations.

Rock exposure thought to be the product of earthquakes might be due to weathering or landslides.

Research Spotlights

Faulty Assumptions Impair Earthquake Hazard Assessment in Italy

by Sarah Stanley 16 May 201724 February 2022

Along faults in the Central Apennine Mountains, weather and landslides may cause rock exposure that is mistakenly attributed to earthquakes.

Researchers conduct a lake survey in front of Glaciar Perito Moreno.

Research Spotlights

In Patagonian Lakes, Glacial Meltwater Lies Low

by Sarah Stanley 12 May 20173 March 2023

A new study reveals key differences in ice-water interactions between glaciers that flow into lakes and glaciers that end in the sea.

As the wind blows across the drylands of Namibia, sand clusters around isolated plants.

Research Spotlights

New Tool for Understanding Landscape Evolution in Drylands

by Jenny Lunn 26 April 20172 March 2023

Combining vegetation distribution models and sediment transport models offers a better understanding of how dryland environments change in response to different factors.

Researchers look at offshore sediments to trace the history of the world’s tallest coastal mountain range

Research Spotlights

A Mountain Range's History Preserved in Ocean Sediments

by Terri Cook 7 April 201729 June 2022

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.