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Ancient Shellfish Tell 10,000 Year History of El Ni?o Cycles
date:Aug 12, 2014
orbital geometry might have taken over then to cause the period of weak El Nios.

In previous studies, warm-water shells and evidence of flooding in Andean lakes had been interpreted as signs of a much weaker El Nio around 10,000 years ago.

The new data is more reliable, Mr Carr said, for three reasons: the Peruvian coast is strongly affected by El Nio; the shells record ocean temperature, which is the most important parameter for the El Nio cycles; and the ability to record seasonal changes,

12/24 05:27