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Title

Dinámica glacial, clima y vegetación en el Parque Nacional de Ordesa y Monte Perdido durante el Holoceno

AuthorsValero-Garcés, Blas L. ; Oliva-Urcia, Belén ; Moreno Caballud, Ana ; Rico, María Teresa ; Mata, M. Pilar; Salazar-Rincón, A.; Rieradevall, María; García-Ruiz, José María ; Chueca Cía, Javier; González-Sampériz, Penélope ; Pérez-Sanz, Ana ; Salabarnada, Ariadna; Pardo, Alfonso; Sancho Marcén, Carlos; Barreiro-Lostres, Fernando ; Bartolomé, Miguel ; García-Prieto, E. ; Gil-Romera, Graciela ; López Merino, Lourdes ; Sevilla-Callejo, Miguel ; Tarrats, P.
Issue Date2013
PublisherOrganismo Autónomo Parques Nacionales (España)
CitationProyectos de investigación en parques nacionales: 2009-2012: 7- 37 (2013)
Abstract[EN] New and more detailed geomorphological, hydrological, vegetational and climatic reconstructions for the Holocene in the PNOMP have been obtained from the pluridisciplinary study of three records (La Larri, La Estiva and Marboré). La Larri paleolake was originated when the Pineta glacier blocked the valley before 35 ka and existed till 11 ka when it was drained when the glacier receded. Marboré Lake record spans the last 11 kyrs. Facies, geochemistry and magnetic properties identify a large glacier influence between 11 and 9.2 ka. The 9.2- 4.1 ka was relatively more humid. The Mid Holocene transition ca 5 – 4.5 ka to more arid conditions was detected in both Marboré and La Estiva. During the last 3 millennia several arid phases occurred (end of the Roman Period, the High Middle Ages, the Medieval Climate Anomaly). The LIA is characterized by higher runoff and colder climate. However, pollen studies indicate a higher human pressure in the mountains during this period. Both, historic global atmospheric contamination and local influx of the mining activities in the Alto Cinca valley are detected in the Marboré record. The Marboré and Monte Perdido glaciers have been receding during the last centuries, with several moraines ascribed to the first phase of the LIA, and a large expansion during the early XXth century. The main factors controlling recent glacier retreat are the increase in maximum summer temperatures and the decrease in snow precipitation in winter.
Publisher version (URL)http://www.magrama.gob.es/es/parques-nacionales-oapn/programa-investigacion/01_VALERO_tcm7-313570.pdf
URIhttp://hdl.handle.net/10261/100566
Identifiersisbn: 978-84-8014-853-5
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