Incisión de ríos por extracción aluvial y retirada de presas. Estudio matemático y experimental

• Autores: Carles Ferrer i Boix
• Directores de la Tesis: Juan Pedro Martín Vide (dir. tes.)
• Lectura: En la Universitat Politècnica de Catalunya (UPC) ( España ) en 2011
• Idioma: español
• Tribunal Calificador de la Tesis: José Angel Sáinz Borda (presid.), Allen Bateman Pinzón (secret.), Marta Roca Collell (voc.), Rui Miguel Lage Ferreira (voc.), Gary Parker (voc.)
• Materias:
  • Ciencias de la tierra y del espacio
    • Ciencias de la atmósfera
      • Simulación numérica
    • Geología
      • Geomorfología
  • Ciencias tecnológicas
    • Tecnología de la construcción
      • Ingeniería civil
      • Ingeniería hidráulica
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• Resumen

  • This Thesis deals with incision (bed degradation or general bed scouring) in rivers.

    More specifically it deals with the incision caused by gravel mining and by dam removal. The main goal of the research is to know cause-eect relationships in both cases. It means that the aim of the work is to propose some methodology to foresee quantitatively the main expected eects for a given extraction (defined by the amount of sediment that will be mined, its duration, etc.) or for a dam that is planned to be removed (its height, the way of remove it, etc.).

    The study includes collection and analysis of river data (concerning historical bed profiles, sediment mining records and grain size distributions), mathematical and numerical analysis and modeling in addition to an experimental campaign.

    The study of incision by gravel mining has used actual data from two Spanish rivers (Gáallego and Tordera Rivers). From these two reaches the volume of material mined (data from official mining records) and historical bed pro les (before and after mining) have been obtained independently.