1. Unit 4: Weathering, Erosion and Landscapes
4.4 Stream Beds
Unit 4: Weathering, Erosion and Landscapes
December 13, 2011
Sanders

2. Unit 4: Weathering, Erosion and Landscapes
Stream Beds
Velocity of a stream is controlled by the slope and amount of water flowing in the stream.
April 26, 2019
Unit 4: Weathering, Erosion and Landscapes

3. Erosion and Deposition
Stream beds are constantly eroded and materials deposited.
April 26, 2019
Unit 4: Weathering, Erosion and Landscapes

4. Unit 4: Weathering, Erosion and Landscapes
Friction
Friction is the reason that streams flow at different rates in the stream bed.
April 26, 2019
Unit 4: Weathering, Erosion and Landscapes

5. Cross Section of a Stream
The friction of the stream bed is slowing the flow of the water.
April 26, 2019
Unit 4: Weathering, Erosion and Landscapes

6. Unit 4: Weathering, Erosion and Landscapes
Stream Flow
Stream moves fastest here.
Stream moves slowest here.
Stream bed for A-A’
April 26, 2019
Unit 4: Weathering, Erosion and Landscapes

7. Unit 4: Weathering, Erosion and Landscapes
Stream Bed
This is an overview of a stream.
This is a vertical cross section of XY.
Let’s look at the stream bed at XY
B & D are at outer banks.
C & D are at inner banks.
April 26, 2019
Unit 4: Weathering, Erosion and Landscapes

8. Deposition and Erosion
April 26, 2019
Unit 4: Weathering, Erosion and Landscapes

9. Unit 4: Weathering, Erosion and Landscapes
April 26, 2019
Unit 4: Weathering, Erosion and Landscapes

10. Unit 4: Weathering, Erosion and Landscapes
Depostion
April 26, 2019
Unit 4: Weathering, Erosion and Landscapes