Science Advances

Supplementary Materials

This PDF file includes:

  • Supplementary Materials and Methods
  • fig. S1. Idealized schematic of backwater and drawdown hydrodynamics.
  • fig. S2. Instantaneous measurements of water and bed surface profiles along with
    the measured flow depth, depth-averaged flow velocity, and Froude number for
    experiment A.
  • fig. S3. Instantaneous measurements of water and bed surface profiles along with
    the measured flow depth, depth-averaged flow velocity, and Froude number for
    both flows in experiment B.
  • fig. S4. Photo sequence of the process of avulsion in experiment B.
  • fig. S5. Temporal evolution of avulsion length in constant discharge delta.
  • fig. S6. Water surface velocity across the backwater reach in constant discharge
    delta.
  • table S1. Field data compilation of avulsion length and backwater length.
  • Legends for movies S1 to S3
  • References (53, 54)

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Other Supplementary Material for this manuscript includes the following:

  • movie S1 (.mp4 format). Experimental evolution of constant discharge delta.
  • movie S2 (.mp4 format). Experimental evolution of variable discharge delta.
  • movie S3 (.mov format). Overhead dye video of the constant discharge delta.

Files in this Data Supplement: