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3800 Years of quantitative precipitation reconstruction from the Northwest Yucatan Peninsula

Carrillo-Bastos, Alicia ; Islebe, Gerald A ; Torrescano-Valle, Nuria Bohrer, Gil

PloS one, 2013-12, Vol.8 (12), p.e84333 [Periódico revisado por pares]

United States: Public Library of Science

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Título:
3800 Years of quantitative precipitation reconstruction from the Northwest Yucatan Peninsula
Autor: Carrillo-Bastos, Alicia ; Islebe, Gerald A ; Torrescano-Valle, Nuria
Bohrer, Gil
Assuntos: Abandonment ; Biology ; Calibration ; Climate change ; Climate Change - history ; Climate Change - statistics & numerical data ; Climate variability ; Climatic variability ; Data processing ; Data transfer (computers) ; Drought ; Droughts ; Earth Sciences ; Fossils ; Glaciation ; History ; History, Ancient ; Hydrologic data ; Least-Squares Analysis ; Little Ice Age ; Mayan civilization ; Mexico ; Models, Theoretical ; Museums ; Pollen ; Precipitation ; Precipitation (Meteorology) ; Precipitation anomalies ; Precipitation data ; Rain ; Rainfall ; Reduction ; Transfer functions ; Vegetation
É parte de: PloS one, 2013-12, Vol.8 (12), p.e84333
Notas: Conceived and designed the experiments: ACB GAI NTV. Performed the experiments: ACB GAI NTV. Analyzed the data: ACB GAI NTV. Contributed reagents/materials/analysis tools: GAI. Wrote the paper: ACB GAI NTV.
Competing Interests: The authors have declared that no competing interests exist.
Descrição: 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.
Editor: United States: Public Library of Science
Idioma: Inglês

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3800 Years of quantitative precipitation reconstruction from the Northwest Yucatan Peninsula

Carrillo-Bastos, Alicia ; Islebe, Gerald A ; Torrescano-Valle, Nuria Bohrer, Gil

United States: Public Library of Science

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