Articles | Volume 5, issue 1
https://doi.org/10.5194/esurf-5-125-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/esurf-5-125-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
21 Feb 2017
Research article |
| 21 Feb 2017
Autogenic versus allogenic controls on the evolution of a coupled fluvial megafan–mountainous catchment system: numerical modelling and comparison with the Lannemezan megafan system (northern Pyrenees, France)
Margaux Mouchené
CORRESPONDING AUTHOR
Université Grenoble Alpes, CNRS, ISTerre, CS-40700, 38058
Grenoble, France
now at: Department of Earth and Environmental Sciences, Tulane University,
New Orleans, LA 70118, USA
Peter van der Beek
Université Grenoble Alpes, CNRS, ISTerre, CS-40700, 38058
Grenoble, France
Sébastien Carretier
GET, Observatoire Midi Pyrénées, Université de Toulouse,
CNRS, IRD, 14 avenue E. Belin, 31400 Toulouse, France
Department of Geology, FCFM, Universidad de Chile, Santiago, Chile
Frédéric Mouthereau
GET, Observatoire Midi Pyrénées, Université de Toulouse,
CNRS, IRD, 14 avenue E. Belin, 31400 Toulouse, France
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22 citations as recorded by crossref.
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- A New Efficient Method to Solve the Stream Power Law Model Taking Into Account Sediment Deposition X. Yuan et al. 10.1029/2018JF004867
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- Influence of orographic precipitation on the topographic and erosional evolution of mountain ranges V. Zavala et al. 10.1111/bre.12443
- Semi-automated method for the mapping of alluvial fans from DEM A. Goorabi et al. 10.1007/s12145-021-00616-3
- Numerical modelling of landscape and sediment flux response to precipitation rate change J. Armitage et al. 10.5194/esurf-6-77-2018
- Denudation history and palaeogeography of the Pyrenees and their peripheral basins: an 84-million-year geomorphological perspective M. Calvet et al. 10.1016/j.earscirev.2020.103436
- Comparing the transport-limited and <i>ξ</i>–<i>q</i> models for sediment transport J. Braun 10.5194/esurf-10-301-2022
- Alluvial fan response to Alpine Fault earthquakes on the Westland piedmont, Whataroa, Aotearoa‐New Zealand P. Almond et al. 10.1002/esp.5589
- Along‐Stream Variations in Valley Flank Erosion Rates Measured Using 10Be Concentrations in Colluvial Deposits From Canyons in the Atacama Desert V. Zavala et al. 10.1029/2020GL089961
- Interactions between main channels and tributary alluvial fans: channel adjustments and sediment-signal propagation S. Savi et al. 10.5194/esurf-8-303-2020
- Allogenic and autogenic impact on morphodynamics of a tropical river on the Himalayan frontal plain, India U. Saha et al. 10.1007/s13762-023-05187-y
- Late Pleistocene - Holocene development of the Tista megafan (West Bengal, India): 10Be cosmogenic and IRSL age constraints R. Abrahami et al. 10.1016/j.quascirev.2018.02.001
- The depositional evolution and internal sedimentary architecture of a flood event-dominated experimental alluvial fan W. Feng et al. 10.1007/s12517-019-4468-z
- Post-orogenic exhumation in the western Pyrenees: evidence for extension driven by pre-orogenic inheritance C. Fillon et al. 10.1144/jgs2020-079
- Evolution of a low convergence collisional orogen: a review of Pyrenean orogenesis M. Ford et al. 10.1051/bsgf/2022018
- Theoretical and numerical considerations of rivers in a tectonically inactive foreland S. Hergarten 10.5194/esurf-10-671-2022
- Colluvial deposits as a possible weathering reservoir in uplifting mountains S. Carretier et al. 10.5194/esurf-6-217-2018
- Controls on Quaternary incision of the Northern Pyrenean foreland: Chronological and geomorphological constraints from the Lannemezan megafan, SW France M. Mouchené et al. 10.1016/j.geomorph.2016.12.027
- Rift-to-collision sediment routing in the Pyrenees: A synthesis from sedimentological, geochronological and kinematic constraints A. Vacherat et al. 10.1016/j.earscirev.2017.07.004
20 citations as recorded by crossref.
- Fluvial landscape evolution controlled by the sediment deposition coefficient: Estimation from experimental and natural landscapes L. Guerit et al. 10.1130/G46356.1
- Quaternary alluvial fan dynamics of the Jaldhaka basin A. Raha & M. Biswas 10.1007/s11629-021-7005-y
- Stacked megafans of the Kalahari Basin as archives of paleogeography, river capture, and Cenozoic paleoclimate of southwestern Africa G. Houben et al. 10.2110/jsr.2020.46
- A New Efficient Method to Solve the Stream Power Law Model Taking Into Account Sediment Deposition X. Yuan et al. 10.1029/2018JF004867
- From sink to source: Late Quaternary landscape evolution and fluvial dynamics of the Hautapu River catchment, New Zealand S. Kósik et al. 10.1016/j.geomorph.2022.108319
- Influence of orographic precipitation on the topographic and erosional evolution of mountain ranges V. Zavala et al. 10.1111/bre.12443
- Semi-automated method for the mapping of alluvial fans from DEM A. Goorabi et al. 10.1007/s12145-021-00616-3
- Numerical modelling of landscape and sediment flux response to precipitation rate change J. Armitage et al. 10.5194/esurf-6-77-2018
- Denudation history and palaeogeography of the Pyrenees and their peripheral basins: an 84-million-year geomorphological perspective M. Calvet et al. 10.1016/j.earscirev.2020.103436
- Comparing the transport-limited and <i>ξ</i>–<i>q</i> models for sediment transport J. Braun 10.5194/esurf-10-301-2022
- Alluvial fan response to Alpine Fault earthquakes on the Westland piedmont, Whataroa, Aotearoa‐New Zealand P. Almond et al. 10.1002/esp.5589
- Along‐Stream Variations in Valley Flank Erosion Rates Measured Using 10Be Concentrations in Colluvial Deposits From Canyons in the Atacama Desert V. Zavala et al. 10.1029/2020GL089961
- Interactions between main channels and tributary alluvial fans: channel adjustments and sediment-signal propagation S. Savi et al. 10.5194/esurf-8-303-2020
- Allogenic and autogenic impact on morphodynamics of a tropical river on the Himalayan frontal plain, India U. Saha et al. 10.1007/s13762-023-05187-y
- Late Pleistocene - Holocene development of the Tista megafan (West Bengal, India): 10Be cosmogenic and IRSL age constraints R. Abrahami et al. 10.1016/j.quascirev.2018.02.001
- The depositional evolution and internal sedimentary architecture of a flood event-dominated experimental alluvial fan W. Feng et al. 10.1007/s12517-019-4468-z
- Post-orogenic exhumation in the western Pyrenees: evidence for extension driven by pre-orogenic inheritance C. Fillon et al. 10.1144/jgs2020-079
- Evolution of a low convergence collisional orogen: a review of Pyrenean orogenesis M. Ford et al. 10.1051/bsgf/2022018
- Theoretical and numerical considerations of rivers in a tectonically inactive foreland S. Hergarten 10.5194/esurf-10-671-2022
- Colluvial deposits as a possible weathering reservoir in uplifting mountains S. Carretier et al. 10.5194/esurf-6-217-2018
2 citations as recorded by crossref.
- Controls on Quaternary incision of the Northern Pyrenean foreland: Chronological and geomorphological constraints from the Lannemezan megafan, SW France M. Mouchené et al. 10.1016/j.geomorph.2016.12.027
- Rift-to-collision sediment routing in the Pyrenees: A synthesis from sedimentological, geochronological and kinematic constraints A. Vacherat et al. 10.1016/j.earscirev.2017.07.004
Latest update: 20 Nov 2024
Short summary
The Lannemezan megafan (northern Pyrenean foreland) was abandoned during the Quaternary and subsequently incised. We use numerical models to explore possible scenarios for the evolution of this megafan. We show that autogenic processes are sufficient to explain its evolution. Climate may have played a second-order role; in contrast base-level change, tectonic activity and flexural isostatic rebound do not appear to have influenced its evolution.
The Lannemezan megafan (northern Pyrenean foreland) was abandoned during the Quaternary and...
