Central Andean Pluvial Event

The Central Andean Pluvial Event is a two-stage climate oscillation in the Central Andes between 18,000 and 9,700 years before present. The first, wetter episode occurred 17,500-15,900 years ago; the second was drier and continued into the early Holocene (until 9,700-8,500 years ago). During this climate oscillation, Lake Tauca formed in the Altiplano and the climate became moister and more conducive to vegetation development.

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