6. Discharge
Upstream Downstream
Increases due to the input
Discharge
from a greater amount of the
drainage basin above the
Occupied channel width point of measurement
Channel depth
Average velocity
Load quantity
Load particle size
Channel bed roughness
Slope angle (gradient)
8. Occupied Channel Width
Upstream Downstream
Distance across the actual
Discharge
channel, measured at the
water surface
Occupied channel width
Channel depth
Average velocity
Load quantity
Load particle size
Channel bed roughness
Slope angle (gradient)
9. Occupied Channel Width
Upstream Downstream
Distance across the actual
Discharge
channel, measured at the
water surface
Occupied channel width
Increases due to increase in
Channel depth
discharge, input from
Average velocity
tributaries etc.
Load quantity
Load particle size
Channel bed roughness
Slope angle (gradient)
11. Channel Depth
Upstream Downstream
The height from the water
Discharge
surface to the channel bed
Occupied channel width
Channel depth
Average velocity
Load quantity
Load particle size
Channel bed roughness
Slope angle (gradient)
12. Channel Depth
Upstream Downstream
The height from the water
Discharge
surface to the channel bed
Occupied channel width
Increase downstream as does
the discharge of the river
Channel depth
Average velocity
Load quantity
Load particle size
Channel bed roughness
Slope angle (gradient)
13. Channel Depth
Upstream Downstream
The height from the water
Discharge
surface to the channel bed
Occupied channel width
Increase downstream as does
the discharge of the river
Channel depth
Average velocity
Load quantity
Load particle size
Channel bed roughness
Slope angle (gradient)
14. Average Velocity
Upstream Downstream
Discharge
Occupied channel width
Channel depth
Average velocity
Load quantity
Load particle size
Channel bed roughness
Slope angle (gradient)
15. Average Velocity
Upstream Downstream
Steady increase downstream
Discharge
Occupied channel width
Channel depth
Average velocity
Load quantity
Load particle size
Channel bed roughness
Slope angle (gradient)
16. Average Velocity
Upstream Downstream
Steady increase downstream
Discharge
How can it be so if the
Occupied channel width
gradient is decreasing?
Channel depth
Average velocity
Load quantity
Load particle size
Channel bed roughness
Slope angle (gradient)
17. Average Velocity
Upstream Downstream
Steady increase downstream
Discharge
How can it be so if the
Occupied channel width
gradient is decreasing?
Channel depth
Downstream the river
Average velocity
becomes more efficient with
Load quantity proportionally less contact with
its bed and banks
Load particle size
Channel bed roughness
Slope angle (gradient)
18. Average Velocity
Upstream Downstream
Steady increase downstream
Discharge
How can it be so if the
Occupied channel width
gradient is decreasing?
Channel depth
Downstream the river
Average velocity
becomes more efficient with
Load quantity proportionally less contact with
its bed and banks
Load particle size
Channel bed roughness
Shown by higher hydraulic
radius and lower channel bed
Slope angle (gradient)
roughness
19. Average Velocity
Upstream Downstream
Steady increase downstream
Discharge
How can it be so if the
Occupied channel width
gradient is decreasing?
Channel depth
Downstream the river
Average velocity
becomes more efficient with
Load quantity proportionally less contact with
its bed and banks
Load particle size
Channel bed roughness
Shown by higher hydraulic
radius and lower channel bed
Slope angle (gradient)
roughness
21. Load Quantity
Upstream Downstream
Total load of all sizes
Discharge
Occupied channel width
Channel depth
Average velocity
Load quantity
Load particle size
Channel bed roughness
Slope angle (gradient)
22. Load Quantity
Upstream Downstream
Total load of all sizes
Discharge
Increases with discharge and
Occupied channel width
velocity
Channel depth
Average velocity
Load quantity
Load particle size
Channel bed roughness
Slope angle (gradient)
23. Load Quantity
Upstream Downstream
Total load of all sizes
Discharge
Increases with discharge and
Occupied channel width
velocity
Channel depth
Average velocity
Load quantity
Load particle size
Channel bed roughness
Slope angle (gradient)