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D/H en anillos de crecimiento de Pinus pinea del P. N. de Doñana: implicaciones paleoclimáticas

Authors: Granados-Páez, S.; Delgado Huertas, Antonio; Reyes, Emilio;

D/H en anillos de crecimiento de Pinus pinea del P. N. de Doñana: implicaciones paleoclimáticas

Abstract

[ES]: Se ha estudiado la razón D/H de celulosa extraída de Pinus pinea del Parque Nacional de Doñana obteniendo una correlación inversa a la cantidad de precipitación. Los valores de δD están comprendidos entre -5‰ y -61‰ (V-SMOW). Los años de mayor pluviometría se corresponden, en general, con los datos isotópicos más negativos y viceversa. Destaca el año 1996, el más lluvioso de las últimas décadas, con el valor más negativo, y el periodo de sequía de principios de los años 90 donde se han obtenido los valores menos negativos.

[EN]: A study of the D/H ratio in cellulose extracted from Pinus pinea in the Doñana National Park showed an inverse relationship with the amount of rainfall. The D values range from -5‰ y -61‰ (V-SMOW). The years of greatest rainfall correspond, in general, with the more negative isotopic values and vice versa. 1996 stands out as having the highest annual rainfall in recent decades and also the most negative D values. In contrast, the least negative values are seen in the period of drought in the early years of the 90s.

Este estudio ha sido financiado por los proyectos “Huellas isotópicas del cambio global en Andalucía” proyecto de excelencia de la Junta de Andalucía Ref.: P06-RNM-02362 y “Biogeoquímica de isótopos estables (D/H, 18O/16O, 13C/12C, 15N/14N, 34S/32S) en el P. N. de Doñana” financiado por el M. M. Ambiente, convocatoria Parques Nacionales. Ref.: 107/2003.

9 páginas. 3 figuras.-- Trabajo presentado al VII Congreso Ibérico y X Congreso Nacional de Geoquímica celebrado en Soria (España) del 21 al 23 de Septiembre de 2009.

Peer reviewed

Country
Spain
Related Organizations
Keywords

Stables isotopes, Celulosa, Tree rings, Isótopos estables, Anillos de árboles, Cellulose, Hidrógeno, Hydrogen

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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