stream velocity tutorial start these are readings from station 1. end

Stream Velocity

Tutorial

StartStart

These are readings from station 1.

These are readings from station 1.

End

The rates of change can be adjusted.

The rates of change can be adjusted.

End

Now, let’s change the channel gradient from 0.55 to 0.70.

Now, let’s change the channel gradient from 0.55 to 0.70.

End

Notice that the gradient of station 1 is the same as the value of channel gradient above.

Notice that the gradient of station 1 is the same as the value of channel gradient above.

End

Now, let’s change the rate of change.

Now, let’s change the rate of change.

End

From station 1 onwards, there is a constant decrease of gradient by 0.030 for stations 2 to 10.

From station 1 onwards, there is a constant decrease of gradient by 0.030 for stations 2 to 10.

End

Let’s change the hydraulic radius of station 1 to 0.7 and the rate of change to 0.01.

Let’s change the hydraulic radius of station 1 to 0.7 and the rate of change to 0.01.

End

Notice the corresponding changes here.

Notice the corresponding changes here.

End

End

From station 1 onwards, there is a constant decrease of hydraulic radius by 0.010 for stations 2 to 10.

From station 1 onwards, there is a constant decrease of hydraulic radius by 0.010 for stations 2 to 10. End

Now, let’s change the channel roughness of station 1 and rate of change to 0.07 and 0.002 respectively.

Now, let’s change the channel roughness of station 1 and rate of change to 0.07 and 0.002 respectively.

End

Here we have a new set of channel roughness readings.

Here we have a new set of channel roughness readings.

End

With Gradient With Gradient With Gradient, Hydraulic RadiusWith Gradient, Hydraulic RadiusWith Gradient, Hydraulic Radius and Channel Roughness

With Gradient, Hydraulic Radius and Channel RoughnessWith gradient, hydraulic radius and channel roughness, a set of velocities are calculated according to the formula

With gradient, hydraulic radius and channel roughness, a set of velocities are calculated according to the formula

EndnSR

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These values show the percentage change of Gradient, Hydraulic Radius , Channel Roughness and Velocity.

These values show the percentage change of Gradient, Hydraulic Radius , Channel Roughness and Velocity.

These values show the percentage change of Gradient, Hydraulic Radius , Channel Roughness and Velocity.

These values show the percentage change of Gradient, Hydraulic Radius , Channel Roughness and Velocity.

These values show the percentage change of Gradient, Hydraulic Radius , Channel Roughness and Velocity.

These values show the percentage change of Gradient, Hydraulic Radius , Channel Roughness and Velocity.

These readings show the percentage changes of gradient, hydraulic radius, channel roughness and velocity.

These readings show the percentage changes of gradient, hydraulic radius, channel roughness and velocity.End

Click on the Velocity graph tab, a plotted graph will be shown.

Click on the Velocity graph tab, a plotted graph will be shown.

End

This graph adjusts in accordance to the readings in channel gradient, hydraulic radius and channel roughness.

This graph adjusts in accordance to the readings in channel gradient, hydraulic radius and channel roughness.

End

Click on the Velocity tab to go back to the previous screen.

Click on the Velocity tab to go back to the previous screen.

End

That’s the end of this tutorial.

That’s the end of this tutorial.

End