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topography

Photo of the Apennine Mountains in Italy.
Posted inEditors' Highlights

Topography Along the Apennines Reflects Subduction Dynamics

by Duna Roda-Boluda 15 March 202313 March 2023

Topography and exhumation vary strongly along the Apennines, reflecting the geometry of the Moho and different geodynamic mechanisms.

Two maps showing the location and main tectonic features of the 1987 Edgecumbe earthquake.
Posted inEditors' Highlights

Coseismic Displacement of 1987 Earthquake from Aerial Images

by Daniel Melnick 8 December 20226 December 2022

Differencing digital surface topography models constructed from historical aerial photographs reveal the coseismic surface displacement field of the 1987 earthquake in northern New Zealand.

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

What Drives Hillslope Connectivity?

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.

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.

A river in southern Siberia flows between rocky banks toward mountains in the distance.
Posted inResearch Spotlights

High Mountain Rain Has Scientists Rethinking River Basics

by David Shultz 27 January 202227 January 2022

Rainfall varies with elevation, and such precipitation gradients can have profound and often counterintuitive effects on topography.

Satellite image of the ice at Mars’s north pole
Posted inResearch Spotlights

Decoding the Age of the Ice at Mars’s North Pole

by David Shultz 4 February 20218 August 2022

Exposure to sunlight creates telltale patterns in the polar ice cap that change over time, potentially providing insight into the climatic history of the Red Planet.

A visualization from space of rivers in Southeast and East Asia from a new global river map.
Posted inResearch Spotlights

A More Accurate Global River Map

by E. Underwood 12 July 201915 March 2023

A new map of global river systems is based on crowdsourcing and the latest topography data sets.

Posted inEditors' Highlights

3D Radiation-Topography Interaction Warms Up Tibetan Plateau

by Z. Li 16 April 20196 December 2022

3-D radiation-topography interaction, which can increase the sunlight absorption by the surface, is missing in all climate models, causing strong cold biases over the Tibetan Plateau.

A historic photo shows the damage of the 1903 Heppner Flood in Oregon
Posted inResearch Spotlights

The Meteorological Culprits Behind Strange and Deadly Floods

by Aaron Sidder 4 February 201918 February 2022

A new study examines how unusual meteorology interacted with topography and other local conditions to generate some of the most devastating floods in American history.

Researchers improve climate models by including Himalayan topography and land-atmosphere interactions.
Posted inResearch Spotlights

A Better Way to Predict the Indian Monsoon

by E. Underwood 4 May 201815 February 2023

A new study finds that including Himalayan topography and land-atmosphere interactions improves climate models.

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