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River Erosion and Deposition Processes

Explore how rivers erode and deposit particles, channel shapes, and flow velocities. Engage with interactive videos and activities to study erosion and deposition in meandering rivers. Prepare for a quiz and complete Castlelearning homework by Friday.

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River Erosion and Deposition Processes

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  1. Do Now: Take out Handout and Open ESRT. HW- Castlelearning Due Friday morning. Lab Due tomorrow. Quiz FRIDAY!!! STUDY

  2. What size particles can a river carry if it has a velocity of 50cm/sec? • What is the size • range for Pebbles • What size particle is be deposited first by a river?

  3. Objective: Describe the Erosional-Depositional Process in RIVERS. http://www.youtube.com/watch?v=gWew8lWYhtI River Wild Trailer

  4. Which Slide is FASTER?Why?

  5. Channel Shape http://www.youtube.com/watch?v=xeu_WhgD3LU Ski Racing

  6. In a straight channel, water flows fastest at letter…. B A C D E

  7. HW-

  8. Why are all the cars crashing on the right side of the picture?

  9. Watch what happens to the Race Cars, Why does that happen ?? http://www.youtube.com/watch?v=QdCDkfEKkUI

  10. Erosion and Depositionin a MEANDERING River

  11. Spiral Waterslide: Watch how the rider moves on the slide… • http://www.youtube.com/watch?v=PQxs0u7FV_s

  12. Meandering River Bird’s Eye view

  13. Rivers want to go STRAIGHT.. http://www.youtube.com/watch?v=wZxCwLNRGhs Car driving along..

  14. Why are the sides of the slide higher in some spots?

  15. Where is the Sand being Deposited?

  16. http://www.youtube.com/watch?v=ubP_-ptVDbY • Stream Table Demonstration

  17. Draw Cross-Section of Stream Bed

  18. Draw Cross-Section of Stream Bed

  19. Handouts: http://www.wiley.com/college/strahler/0471480533/animations/ch17_animations/animation1.html

  20. Meanders and Velocity A B A’ B’ C Draw the riverbed profile between A-A’ B-B’ C-C’ At which locations is the river flowing FASTEST??? C’ Begin Handout:

  21. Answer worksheet page 2 Erosion____ Deepest ____ Fastest _____ ________ Curve ------------------------ Deposition_____ Shallowest ______ Slowest _______ _________Curve

  22. Erosion ______ Deposition ____ Fast _______ Slow _______ Shallow ______ Deep _______ Inside Curve ____ Outside Curve ___

  23. HOMEWORK Castlelearning – Friday QUIZ FRIDAY

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