3800 Years of Quantitative Precipitation Reconstruction from the Northwest Yucatan PeninsulaReport as inadecuate




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Precipitation over the last 3800 years has been reconstructed using modern pollen calibration and precipitation data. A transfer function was then performed via the linear method of partial least squares. By calculating precipitation anomalies, it is estimated that precipitation deficits were greater than surpluses, reaching 21% and <9%, respectively. The period from 50 BC to 800 AD was the driest of the record. The drought related to the abandonment of the Maya Preclassic period featured a 21% reduction in precipitation, while the drought of the Maya collapse 800 to 860 AD featured a reduction of 18%. The Medieval Climatic Anomaly was a period of positive phases 3.8–7.6%. The Little Ice Age was a period of climatic variability, with reductions in precipitation but without deficits.



Author: Alicia Carrillo-Bastos, Gerald A. Islebe , Nuria Torrescano-Valle

Source: http://plos.srce.hr/



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