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3800 years of quantitative precipitation reconstruction from the northwest Yucatan Peninsula

Por: Carrillo Bastos, Alicia [autor/a].
Islebe, Gerald A [autor/a] | Torrescano Valle, Nuria [autor/a].
Tipo de material: Artículo en línea Artículo en línea Tema(s): Polen fósil | Precipitación atmosférica | Cambio climáticoTema(s) en inglés: Pollen, Fossil | Precipitation (Meteorology) | Climatic changesDescriptor(es) geográficos: Reserva de la Biosfera Ría Lagartos (Yucatán, México) Nota de acceso: Acceso en línea sin restricciones En: PLoS ONE. volumen 8, número12, e84333 (December 2013), páginas 1-10. --ISSN: 1932-6203Número de sistema: 53113Resumen:
Inglés

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.

Recurso en línea: http://www.plosone.org/article/fetchObject.action?uri=info%3Adoi%2F10.1371%2Fjournal.pone.0084333&representation=PDF
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Acceso en línea sin restricciones

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. eng

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