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sand

Posted inThe Landslide Blog

An interesting erosive event in the Socavón Cochoa area of Viña del Mar, Chile

by Dave Petley 24 August 202324 August 2023

Dramatic erosion of a sand dune in Viña del Mar, Chile appears to be related to maintenance of a drainage pipe.

Roughly 20 people stand amid sand dunes under a clear blue sky and near a metal framework equipped with scientific instruments.
Posted inScience Updates

The Nitty-Gritty Forces That Shape Planetary Surfaces

by Brian Jackson, Serina Diniega, Timothy Titus, Alejandro Soto and Edgard Rivera-Valentin 15 June 202315 June 2023

Scientists are coming up with ingenious ways to compare terrestrial sand dunes, dust storms, and rain with their counterparts on Mars and Titan.

Black and white photo of particles and a bar graph.
Posted inEditors' Highlights

Dust in the (Martian) Wind

by Laurent G. J. Montési and Germán Martinez 31 May 202330 May 2023

The InSight Lander, on Mars, intentionally dumped sand over its seismic instrument’s tether and the wind sorted the particles by size as it blew them away.

Sediments of various sizes sit on the seafloor. A blossoming, white sunbeam flares against the blue backdrop of the sea.
Posted inNews

Deep-Sea Sand and Where to Find It

by Emily Shepherd 30 March 202327 September 2023

Ancient underwater avalanches carried sand into the ocean’s abyss during a time when some least expected it.

Schematic representation of the model presented in this study.
Posted inEditors' Highlights

What Electrons Can Tell Us About the Speed of Sand

by Harrison Gray 13 February 202328 March 2023

A new sediment tracer uses the interactions between radiation, charge, and the Sun to uncover the hidden transport histories of sand grains.

Riverbed construction
Posted inFeatures

Grains of Sand: Too Much and Never Enough

by Alka Tripathy-Lang 25 January 202317 February 2023

Sand is a foundational element of our cities, our homes, our landscapes and seascapes. How we will interact with the material in the future, however, is less certain.

Close-up of green olivine sand grains
Posted inNews

Can These Rocks Help Rein in Climate Change?

Tim Hornyak, Science Writer by Tim Hornyak 27 September 20221 June 2023

Spreading olivine on beaches could accelerate ocean uptake of carbon dioxide and potentially limit climate change. The concept and execution still face some scrutiny from scientists.

Vashan Wright smiles at the camera, giving a double thumbs up.
Posted inFeatures

Vashan Wright: A Champion for DEI in the Geosciences

by Santiago Flórez 25 July 202216 August 2022

While studying tectonic plates and sand, Wright works on a program to make the geosciences more equitable.

Two satellite photos of the Lut Desert with arrows depicting wind-driven transport routes of sediment.
Posted inEditors' Highlights

A Unique Glimpse at Sediment Erosion and Deposition by Wind

by Valeriy Ivanov 21 July 202221 July 2022

The Lut Desert in Iran is an exceptional natural laboratory to study how wind moves sediment across the landscape. A new study quantifies erosional and depositional sediment fluxes of the desert.

The coast of Santa Maria Island in the Azores
Posted inNews

How Does Sand Move? New Observations Challenge Prevailing Formulas

by Andrew Chapman 11 February 202211 February 2022

Research in the Azores finds a discrepancy between field observations of sediment transport and predictions made with commonly used mathematical formulas.

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EDITORS' VOX
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By Seaver Wang

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