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landscape & topography

A small brown and gray mouse, Abrothrix hirta, sits on green grass strewn with a few brown leaves. The mouse faces left and is photographed in profile.
Posted inNews

Rain Makes Skulls Bigger—in Mice

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 4 October 202228 October 2022

New research shows how regional weather, shaped by towering mountain ranges, might influence the size and shape of local rodents.

Map of the Yukon-Kuskokwim Delta in Alaska
Posted inEditors' Highlights

The Burning Tundra

by Marguerite A. Xenopoulos 4 October 202219 January 2023

As wildfires blaze through the Arctic, scientists examine the role of landscape characteristics on wildfire ecosystem responses in northern aquatic ecosystems.

Posted inResearch Spotlights

New Map of Proposed Mantle-Driven Topography Stirs the Pot

by Rebecca Dzombak 8 September 20224 August 2023

The role the deep Earth plays in creating topography is hotly debated. A new study uses subtle elevation changes around the globe as evidence that the mantle plays a key role in building topography.

Yosemite National Park ecosystem featuring a stream, trees, and snow-covered hillslope.
Posted inResearch Spotlights

What Drives Hillslope Connectivity?

Aaron Sidder, freelance science writer by Aaron Sidder 23 August 202223 August 2022

Hillslopes play a critical role in linking ecosystems. Understanding the forces that drive their connections can help us to better understand adaptation in the face of climate change.

A collage of Martian valley networks superimposed with channels on Earth. The shapes of the channels appear to be almost identical.
Posted inNews

Martian Glaciers May Have Carved Its Valleys

Nola Taylor Redd, Science Writer by Nola Taylor Tillman 2 August 20222 August 2022

Networks of valleys provide puzzling hints of running water on the surface of the Red Planet. New research suggests that some tributaries could have formed from icy sheets thousands of meters thick.

San Pablo Bay marsh
Posted inResearch Spotlights

Atmospheric Rivers Help Coastal Wetlands Build Up Sediment

by Alexandra K. Scammell 13 July 202230 January 2024

Accounting for these storms and flooding can help experts predict and respond to rising sea levels.

Aerial view of the Pemali delta in Indonesia
Posted inNews

Why Do Rivers Jump Off the Beaten Path?

by Carolyn Wilke 21 June 2022

Researchers sifted through 50 years of satellite imagery and came up with new clues to where and why rivers avulse, suddenly changing their course.

A landscape with landslides along a steep mountain slope
Posted inResearch Spotlights

Steep Mountain Slopes Have Surprisingly Long Lifetimes

by Rebecca Dzombak 14 June 2022

New models of eastern Tibetan hillsides show that steep slopes with “excess” rock last longer on average than their shallower counterparts.

Cartoon illustrating the formation of depressed sedimentary basins and uplifted shoulder in continental rifts.
Posted inEditors' Highlights

The Lost Topography Around Continental Rifts

by Fabio A. Capitanio 28 April 202228 October 2022

Numerical models provide quantitative constraints on topography lost to erosion, showing how the sediment influx in a sedimentary basin reflects its tectonic and topographic evolution.

Comparison of channels extracted from a high-resolution Digital Elevation Model using a traditional flow routing method and using the new method based on a Riverlab flow simulation (Elder Creek catchment, California, USA).
Posted inEditors' Highlights

Running Water on Topographic Data to Better Delineate Channels

by Mikaël Attal 25 April 202227 April 2022

Two-dimensional hydraulic simulations are a powerful tool to identify process domains such as channels, hillslopes, and floodplains in high-resolution topographic data.

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