Purdue University

Institute for a Sustainable Future

Pursuing global resilience through climate, environment and food-energy-water security research.

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Rainwater collected in the Andes Mountains contains fingerprints of atmospheric processes

The Andes Mountains of Peru hold key evidence of the world’s most precious resource: water.  Ice cores on the mountains reveal stable isotope signatures of warm and cold spells in the past and even cave stalactites store information about the water that has poured down over this region for thousands of years.  Records from these regions are critical to helping produce climate models.  Every piece of this ever-evolving research inches mankind closer to predicting weather patterns world-wide under a changing climate.