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La cuenca de recepción como factor de control en el desarrollo y degradación de abanicos aluviales: ejemplos recientes, sub-recientes y antiguos

Authors: Pujalte, Victoriano;

La cuenca de recepción como factor de control en el desarrollo y degradación de abanicos aluviales: ejemplos recientes, sub-recientes y antiguos

Abstract

Está ampliamente aceptado que los factores más importantes en el desarrollo de abanicos aluviales son la tectónica, los cambios del nivel de base local, las dimensiones de la cuenca de recepción y la tasa de suministro sedimentario: la tectónica y el nivel de base local determinan las necesarias diferencias topográficas entre las cuencas de recepción y depósito y, si existe suficiente aporte sedimentario, los abanicos de mayores dimensiones son los alimentados desde cuencas de recepción extensas. La degradación de abanicos aluviales, sin embargo, ha sido menos estudiada. Ejemplos de campo de diferente edad, tipo y escala discutidos en este trabajo indican que, por su carácter erosional, las cuencas de recepción son muy duraderas, pudiendo forzar la degradación de sus abanicos aluviales tras una disminución significativa de la tasa de aporte sedimentario y/o un descenso del nivel de base local, causando incisión de los mismos y/o el desarrollo corriente abajo de abanicos secundarios

Country
Spain
Related Organizations
Keywords

Alluvial fan, Sedimentary supply, Entrenchment, Tectonics, Cuenca de recepción, Abanico aluvial, Tectónica, Suministro sedimentario, Catchment basin

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green