The history of South American tropical precipitation for the past 25,000 years.

  title={The history of South American tropical precipitation for the past 25,000 years.},
  author={Paul A. Baker and Geoffrey O. Seltzer and Sherilyn C. Fritz and Robert B. Dunbar and Michael J. Grove and Pedro M. Tapia and Susan L. Cross and Harry D. Rowe and J P Broda},
  volume={291 5504},
Long sediment cores recovered from the deep portions of Lake Titicaca are used to reconstruct the precipitation history of tropical South America for the past 25,000 years. Lake Titicaca was a deep, fresh, and continuously overflowing lake during the last glacial stage, from before 25,000 to 15,000 calibrated years before the present (cal yr B.P.), signifying that during the last glacial maximum (LGM), the Altiplano of Bolivia and Peru and much of the Amazon basin were wetter than today. The… CONTINUE READING
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