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Chile

A forest of green trees in the foreground with low clouds and mountain peaks behind
Posted inResearch Spotlights

Short-Lived Solutions for Tall Trees in Chile’s Megadrought

by Rebecca Dzombak 31 May 202331 May 2023

Some southern beeches in the Andes have plumbed deeper for moisture as the surface has dried up. But doing so may deplete resources and undermine the trees’ future health.

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.

A snow-capped volcano appears against a bright blue sky and is reflected in lake water of the same bright blue. In the foreground are green shrubs and a boulder.
Posted inNews

Supervolcanoes Linger a While, Then Rush to Erupt

Damond Benningfield, Science Writer by Damond Benningfield 12 September 202212 September 2022

Geologists examined crystals in rock from four massive eruptions in the Chilean Andes.

The Atacama Desert, Chile
Posted inResearch Spotlights

Understanding Rare Rain Events in the Driest Desert on Earth

by Emily Cerf 18 January 202218 January 2022

A new study reveals the atmospheric paths of storm events that can deliver a decade’s worth of rain in a few hours to the Atacama Desert.

A line of giant stone moai from Rapa Nui (Easter Island).
Posted inNews

Settlement of Rapa Nui May Have Been Doomed by a Dearth of Dust

Rachel Fritts, Science Writer by Rachel Fritts 16 December 202127 March 2023

Rapa Nui and Hawai‘i offer a tale of two island settlements: Hawai‘i was close enough to Asia for continental dust to help replenish soil nutrients depleted by agriculture. Rapa Nui wasn’t.

Cross section of Chilean radiata pine
Posted inResearch Spotlights

Understanding Tremors Through Tree Rings

Kate Wheeling, freelance science writer by Kate Wheeling 21 October 202110 November 2021

Researchers look to carbon isotopes and cell-level wood anatomy to understand how seismic-induced changes in water availability affect tree growth.

A lump of glass
Posted inNews

Glassy Nodules Pinpoint a Meteorite Impact

Katherine Kornei, Science Writer by Katherine Kornei 5 August 20215 May 2022

Researchers working in Chile’s Atacama Desert have collected thousands of “atacamaites” that suggest a meteorite struck the region roughly 8 million years ago.

View from atop a glacier looking toward mountains on the horizon
Posted inOpinions

Chile’s Glacier Protection Law Needs Grounding in Sound Science

by A. Fernández, S. MacDonell, M. Somos-Valenzuela and Á. González-Reyes 6 July 20211 June 2023

In the works for more than a decade, proposed legislation to protect glacial and permafrost environments in Chile suffers from uncertainties and omissions that could sow conflict instead of solutions.

Several large telescopes are reflected in water at sunset at a mountaintop observatory in Chile.
Posted inNews

Making the Universe Blurrier

Damond Benningfield, Science Writer by Damond Benningfield 13 April 202110 January 2023

Climate change appears to be directly and indirectly affecting the view from at least one observatory while threatening the existence of others.

A researcher checks a GPS ground motion sensor amid the rocky, barren landscape of the Altiplano-Puna Plateau in the southern Bolivian Andes
Posted inScience Updates

Using Earthquake Forensics to Study Subduction from Space

by S. Schneider and J. R. Weiss 19 January 202118 January 2022

Researchers combined satellite geodetic measurements of surface motion with a new geophysical data inversion method to probe the Chilean subduction zone in the wake of the 2010 Maule earthquake.

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