Controls on Quaternary incision of the Northern Pyrenean foreland: Chronological and geomorphological constraints from the Lannemezan megafan, SW France

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• 作者：Margaux Mouchené ; ^a ; ^b ; ^{margaux.mouchene@univ-grenoble-alpes.fr} ; Peter van der Beek^a ; ^b ; Fré ; dé ; ric Mouthereau^c ; Julien Carcaillet^a ; ^b
• 关键词：Pyrenean foreland megafan ; Surface exposure dating ; Autogenic versus allogenic processes ; Quaternary climate
• 刊名：Geomorphology
• 出版年：2017
• 出版时间：15 March 2017
• 年：2017
• 卷：281
• 期：Complete
• 页码：78-93
• 全文大小：5204 K
• 卷排序：281

文摘

We analyse the Lannemezan megafan in the Northern Pyrenean foreland (SW France). Cosmogenic nuclide surface exposure points to Quaternary abandonment and incision. Long-term incision of the foreland is linked to autogenic processes. Quaternary climatic cycles may have influenced the fan evolution.