2013
DOI: 10.18172/cig.2004
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La secuencia de terrazas cuaternarias del río Alcanadre (provincia de Huesca): caracterización y consideraciones medioambientales

Abstract: RESUMEN.En la cuenca del río Alcanadre (Depresión del Ebro, provincia de Huesca) se desarrolla una extensa secuencia de terrazas cuaternarias encajadas de tipo strath compuesta por nueve niveles (de Qt1 a Qt9). Se aportan nuevos datos cartográficos, altimétricos, estratigráficos, pedogenéticos y cronológicos. El ambiente sedimentario está formado por sistemas fluviales entrelazados que incrementan el nivel de confinamiento conforme se encaja el drenaje. La morfología del carbonato edáfico alcanza estadios de m… Show more

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Cited by 19 publications
(34 citation statements)
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“…Terrace Qt6 yielded an OSL age of 19 ± 2 ka, whereas Qt5 yielded an OSL age of 44 ± 2 ka (Calle et al, 2013). A cold and dry period was detected in a loess deposit in the Cinca Valley, with an OSL age of 20 ± 3 ka, and stratified screes located near the front of the MIE Cinca glacier gave an age of 22,800 ± 200 14 C yr BP (27,490 cal yr BP; CALPAL) (García-Ruiz et al, 2001).…”
Section: Local Mie and Global Lgm In The Central-southern Pyreneesmentioning
confidence: 99%
“…Terrace Qt6 yielded an OSL age of 19 ± 2 ka, whereas Qt5 yielded an OSL age of 44 ± 2 ka (Calle et al, 2013). A cold and dry period was detected in a loess deposit in the Cinca Valley, with an OSL age of 20 ± 3 ka, and stratified screes located near the front of the MIE Cinca glacier gave an age of 22,800 ± 200 14 C yr BP (27,490 cal yr BP; CALPAL) (García-Ruiz et al, 2001).…”
Section: Local Mie and Global Lgm In The Central-southern Pyreneesmentioning
confidence: 99%
“…También se ha podido identificar en la turbera de El Portalet un avance glaciar entre 22.500 y 18.000 cal años BP (González-Sampériz et al, 2006). Evidencias indirectas de un periodo frío alrededor del Úl-timo Máximo Global se han encontrado también en las terrazas fluviales del río alcanadre (Prepirineo y Depresión del Ebro), en el que la terraza Qt6 dio una edad OSL de 19.000 ± 2000 años (Calle et al, 2013).…”
Section: Fluctuaciones Climáticas Durante El Pleistoceno Superiorunclassified
“…The T5 terrace is well preserved along the Alcanadre River valley and, together with the nearby lowest Alcanadre terrace T1, constitutes a relevant regional landscape marker that facilitates correlation with other terraces forming the sequence. The T5 terrace has a triangular shape with a north–south axis of about 13 km and an east–west axis of 4 km.…”
Section: Resultsmentioning
confidence: 99%
“…Paleomagnetic data for the T5 terrace indicate a normal polarity and consequently an age younger than the Matuyama–Brunhes reversal at 781 ka BP . The samples analyzed by IRSL dating provided ages of 235 ± 17, 196 ± 13 and 274 ± 18 ka BP.…”
Section: Resultsmentioning
confidence: 99%
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