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Climaware luiginov2015print

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It describes the work on sediment transport by Luigi Fraccarollo in the project CLIMAWARE. It regards the origin and the transport of sefiment in the river.

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Climaware luiginov2015print

  1. 1. Figura 1
  2. 2. Figura 2 (a) Campionatore manuale (b) Benna Van Veen (c) Helley-Smith
  3. 3. Granulometria fondo da campionamento manuale (sinistra) e meccanico (destra) Composizione sedimento in moto tramite campionamento con Helley-Smith
  4. 4. Dimensionless parameters specific for rivers like Adige and torrents Particle Reynolds number (particle inertia/fluid viscosity ) 𝑅𝑒 = 𝑔 𝜌 𝑠−𝜌 𝜌 𝑑 𝑑 𝜈 Shields (dimensionless shear stress at the bed) 𝜃 = 𝑢∗ 2/𝑔 𝜌 𝑠−𝜌 𝜌 𝑑 Slope
  5. 5. 10 -2 10 -1 10 0 10 1 10 2 0 1 2 3 4 5 6  [°] Collisional sediment transport with turbulent suspension Ordinary bedload Debris flow Collisional sediment transport Rheological-phase diagram (Shields-pendenza)
  6. 6.
  7. 7. from TUROWSKI, RICKENMANN and DADSON (Sedimentology, 2010)
  8. 8. Particle dimension
  9. 9. Adige River at Trento

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