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A wide view of snow-covered pines in mountains.
Posted inResearch Spotlights

Trees Wearing Accelerometers Help Track Snowstorms

by Rebecca Dzombak 15 April 202215 April 2022

This device allows scientists to measure how much snow is trapped in canopies and predict changes to snowpack—a critical factor in annual water availability.

In the foreground, the GEDI instrument appears as a large white box. In the background, an astronaut climbs along the space station’s external scaffolding.
Posted inNews

Scientists Fight to Keep Lidar on the Space Station

by Saima May Sidik 6 April 20226 July 2022

Remote sensing experts may lose a key tool in the fight against climate change.

Aerial view looking over a coastal island city
Posted inFeatures

A Cagey Approach to Speedy and Safe Seafloor Deployments

by Pascal Pelleau, Ronan Apprioual, Antony Ferrant and Daniel Aslanian 11 March 20227 November 2024

Researchers devised a simple way to deliver ocean bottom seismometers accurately to the seafloor to study ongoing seismic and volcanic activity near the islands of Mayotte.

A pile of fiber-optic cable sits on a street in New York City with workers in the background.
Posted inFeatures

Distributed Sensing and Machine Learning Hone Seismic Listening

by Whitney Trainor-Guitton, Eileen R. Martin, Verónica Rodríguez Tribaldos, Nicole Taverna and Vincent Dumont 4 March 202214 May 2024

Fiber-optic cables can provide a wealth of detailed data on subsurface vibrations from a wide range of sources. Machine learning offers a means to make sense of it all.

An image from near Dumont d’Urville Station, a French scientific station in Adélie Land, Antarctica
Posted inResearch Spotlights

Probing the Mysteries of Deep, Dense Antarctic Seawater

Sarah Stanley, Science Writer by Sarah Stanley 23 February 202223 February 2022

Twelve freely drifting Deep Argo floats reveal year-round dynamics of bottom water flow in the Australian-Antarctic Basin.

Room-size instruments make up an argon dating lab at Arizona State University.
Posted inFeatures

Long-Term Planning For Deep-time Labs

Richard Sima, freelance science writer by Richard J. Sima 22 February 202221 March 2023

When directors depart argon labs, what happens to their expensive equipment, skilled staff, and institutional knowledge?

Brown, barren, relatively flat land stretches into the distance, dotted with occasional patches of white snow. The dark blue Arctic Ocean laps the shore. A thin sliver of sky is gray and cloudy.
Posted inFeatures

Updating Dating Helps Tackle Deep-Time Quandaries

by Alka Tripathy-Lang 22 February 20229 December 2022

Geochronologists are finding fresh approaches to familiar methodologies, especially by zapping rocks with lasers to tackle classic Precambrian problems.

A DAS array captures a series of earthquakes and aftershocks that shook the Ridgecrest area in Southern California in 2019.
Posted inResearch Spotlights

Fiber-Optic Cables Can Produce High-Resolution Underground Maps

by Jack Lee 15 February 202214 May 2024

Telecom fiber repurposed as distributed acoustic sensing arrays can image near-surface structure and potentially improve seismic hazard mapping in urban areas.

A white seacraft moves through deep green water
Posted inFeatures

A New Mayflower, Named for the Past, Autonomously Navigates the Future

by Alka Tripathy-Lang 24 January 202227 March 2023

To commemorate the 400th anniversary of the Pilgrims’ crossing, a ship guided by an AI captain will embark on the same journey, doing science along the way.

Charts showing frequency distribution of the arsenic concentration for the respective nominal kit categories for the paired dataset.
Posted inEditors' Highlights

Field Kits Effectively Predict Arsenic Contamination

by Avner Vengosh 19 January 202228 February 2023

Field kits used in Bangladesh to test arsenic exposure from contaminated drinking water are effective in comparison to expensive laboratory arsenic tests.

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