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Understanding River Dynamics: Factors Affecting Stream Velocity and Sediment Deposition

Explore the intricate relationship between stream velocity, slope, discharge, and sediment size in rivers. Learn how erosion and deposition processes shape river landscapes. Discover the impact of factors like sediment shape, velocity, and density on river delta formation and sorting.

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Understanding River Dynamics: Factors Affecting Stream Velocity and Sediment Deposition

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  1. DO NOW: Take our LIE Hurricane Article and Notes from Friday.

  2. Do Now Describe the relationship between the factors listed below 1. Stream Velocity and Slope 2. Stream Velocity and Discharge 3. Stream Velocity & Sediment Size

  3. How can we go downhill faster? On a bike, rollerblades, sleds, ski’s…

  4. Who will move FASTER? Why_____________

  5. 1. SLOPE / GRADIENT( steepness): Slope _______;Stream Velocity ( ) ____;Kinetic ( ) Energy _____;Transported particle size _____.

  6. Where do rivers travel FASTEST?At the Source or the Mouth?

  7. FASTEST = SOURCE ; STEEPER= EROSION SLOWEST = MOUTH FLATTER=DEPOSITION DELTA / ALLUVIAL FAN forms

  8. The other factor affecting Stream Velocity is:_____________________ Discharge

  9. Discharge Stream Velocity ___ Stream Velocity ___ Slope Kinetic Energy Stream Velocity ___ Stream Velocity ___ Particle Size

  10. State the relationship between Erosion and Deposition. Erosion- Deposition-

  11. Factors That Affect Deposition:

  12. Which will be deposited First?

  13. Sediment Shape: Which will be deposited FIRST? Why?

  14. Which Mineral will be deposited First? Why?

  15. RELATIONSHIPS • Deposition Increases when …. • Sediment Size ___ • Roundness ___ • Density ___ • Velocity ___ • Slope ___ • Discharge ___

  16. River Delta

  17. Horizontal Sorting

  18. Vertical Sorting in Rivers

  19. HW- Handout • Erosion and Deposition in Rivers Lab

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