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Andes

A glacier- and snow-covered high mountain peak with glacial lakes
Posted inFeatures

Adapting to Receding Glaciers in the Tropical Andes

by Tania V. Rojas, Duncan Quincey, Pedro Rau, Daniel Horna-Muñoz and Jorge D. Abad 8 October 20216 May 2022

Integrated approaches are needed to understand and respond to changes in tropical mountain ecosystems and communities brought about by receding glaciers and changes in land use.

Mountain located in the Andes
Posted inResearch Spotlights

Past Climate Change Affected Mountain Building in the Andes

by Sarah Stanley 7 April 202111 December 2021

Increased glaciation in the North Patagonian Andes may have influenced tectonic dynamics over the past 7 million years, suggesting a connection between climate change and mountain-building processes.

A patch of grass in the middle of rocks
Posted inNews

Vicuña Poop Nourishes “Dung Gardens” High in the Andes

by Katherine Kornei 18 March 20214 October 2021

The excrement delivers nutrients like phosphorus and nitrogen, kick-starting islands of vegetation at the edge of the cryosphere.

Schematic cross section across the Cordillera Blanca massif and conceptual model for structural controls on fluid circulation
Posted inEditors' Highlights

Structural Style Controls Crustal Fluid Circulation in Andes

by W. Behr 26 August 202028 January 2022

Variations in hot spring geochemistry from adjacent mountain ranges with different styles of faulting highlight the influence of crustal-scale structures on circulating fluids in the Peruvian Andes.

Shaded relief map illustrating the high topography of the Southern Central Andes and sampling locations used in the study
Posted inEditors' Highlights

What Controlled the Growth of the Southern Central Andes?

by T. Schildgen 15 July 20203 May 2022

Flat-slab subduction appears to have played a minor role in the growth of the Southern Central Andes, with evidence for eastward migrating deformation.

Part of Zongo Glacier on Bolivia’s Huayna Potosí, about 25 kilometers north of La Paz, as seen in January 2010
Posted inNews

Amazon Fires Contribute to Andean Glacier Melting

by Michael Allen 13 January 202022 November 2021

New research finds that black carbon emissions produced by fires in the Amazon cause glaciers in the Andes to absorb more sunlight and melt more.

A field of penitentes
Posted inNews

Microbes Spotted on Blades of Ice High in the Andes

by Katherine Kornei 15 August 201912 April 2022

Researchers discover microbial life on ice spires known as penitentes on the arid, sunlight-blasted upper reaches of Llullaillaco, one of the best earthly analogues for Mars.

Puca glacier in the Peruvian Andes
Posted inNews

After a Glacier Retreats, Plants Thrive Thanks to Phosphorus

by Katherine Kornei 6 June 201812 April 2022

Grasses, small flowers, and mosses colonize glacial till in the Peruvian Andes when researchers apply a phosphorus fertilizer, an ecological surprise with implications for carbon sequestration.

Posted inNews

Birds Ignore Volcano Blast, Puzzle Scientists

by JoAnna Wendel 23 September 201511 January 2022

When a nearby volcano unexpectedly erupted in the midst of a behavioral study of Andean condors in Argentina, the researchers scrambled to observe disruption to condors' lives. Oddly, there was none.

Posted inResearch Spotlights

Peruvian Andes Helped to Cool Eastern Equatorial Pacific

by JoAnna Wendel 4 November 20144 May 2022

Scientists investigate the role of the Peruvian Andes on climate variability.

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