Cambios climáticos cortos en el Pirineo central durante el final del Pleistoceno superior y Holoceno a partir del registro estalagmítico de la cueva de Seso (Huesca)
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Abstract
Las estalagmitas de la cueva de Seso (Boltaña, provincia de Huesca) registran
cambios climáticos cortos durante el final del Pliestoceno superior y
el Holoceno los Pirineos centrales. Mediante U/Th se diferencian seis fases
de crecimiento estalagmítico (12.9-11.5 ka, 9.1-8.3 ka, 6.3-6.2 ka, 3.0-2.5
ka, 1.8-1.4 ka y 0.6-0.2 ka) que se correlacionan con etapas frías y/o húmedas
a escala regional. Los datos isotópicos (δ18O y δ13C) indican que durante
el Younger Dryas las condiciones fueron más frías y áridas que durante
el Holoceno
The Seso Cave (Boltaña, Huesca province) in the Pyrenees houses stalagmites recording climate variability during the end of Upper Pleistocene and Holocene times. Six growing periods have been deduced by U/Th dating at 12.9-11.5 ka, 9.1-8.3 ka, 6.3-6.2 ka, 3.0-2.5 ka, 1.8-1.4 ka and 0.6-0.2 ka, respectively. These intervals correspond to cold and/or wet short climate changes identified at a regional scale. Isotopic data (δ18O and δ13C) indicate that environmental conditions during the Younger Dryas were cooler and drier than in the Holocene
The Seso Cave (Boltaña, Huesca province) in the Pyrenees houses stalagmites recording climate variability during the end of Upper Pleistocene and Holocene times. Six growing periods have been deduced by U/Th dating at 12.9-11.5 ka, 9.1-8.3 ka, 6.3-6.2 ka, 3.0-2.5 ka, 1.8-1.4 ka and 0.6-0.2 ka, respectively. These intervals correspond to cold and/or wet short climate changes identified at a regional scale. Isotopic data (δ18O and δ13C) indicate that environmental conditions during the Younger Dryas were cooler and drier than in the Holocene
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