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Chile

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

by Rachel Fritts 16 December 202121 March 2022

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

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

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.

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.

Skewered meat and vegetables on a barbecue
Posted inNews

Niveles Altos de Contaminación en Chile se Relacionan Con Parrilladas de Hinchas del Fútbol

by Katherine Kornei 8 July 20203 December 2021

Misteriosos picos de contaminación—10 veces más altos que los niveles normales—ocurren en Santiago durante los partidos de fútbol televisados y son causados por decenas de miles de parrilladas, revelan nuevos resultados.

A rock pile in the Atacama Desert, Chile, with one rock in focus and two people standing in the background
Posted inNews

Desert Microbes Mine for Water

by Lesley Evans Ogden 29 June 20209 November 2021

Scientists studying a cyanobacterium isolated from rock samples in the Atacama Desert found out how the bacteria extract water to live. Their results may help identify likely sites for life on Mars.

Skewered meat and vegetables on a barbecue
Posted inNews

Pollution Spikes in Chile Tied to Soccer Fans’ Barbecuing

by Katherine Kornei 11 May 202021 March 2022

In Santiago, mysterious pollution spikes—tenfold above normal levels—occur during televised soccer matches and are caused by tens of thousands of barbecues, new results reveal.

Deep drilling in the Atacama Desert in 2017
Posted inNews

Atacama’s Past Rainfall Followed Pacific Sea Temperature

by Kimberly M. S. Cartier 23 April 201928 September 2021

This is the first paleoclimate record of precipitation near Atacama’s hyperarid core and suggests that its moisture source is different from that of the Andes.

This lagoon appeared in 2017 in Chile’s Atacama Desert and evaporated months later.
Posted inNews

Atacama Desert’s Unprecedented Rains Are Lethal to Microbes

by Katherine Kornei 12 November 201812 April 2022

Rainfall in the driest parts of Chile’s Atacama Desert in 2017 resulted in hypersaline lagoons that killed the majority of microbes adapted to millions of years of arid conditions.

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