Freshwater - River Discharge

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7 Terms

1
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River Discharge

the volume of water that flows through the river
measured in cubic meters per second (m3/sec)(cumecs)
discharge increases as u go down from upper course to lower course of river

2
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Discharge Formula

Q= area•velocity
V= distance/time
A=length•depth(height)

3
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River discharge impacted by

-friction
-gravity:-speed

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Big channel + fast water=

high discharge

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Small channel + slow water=

low discharge

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Stream flow driven by:

•gravity: propels water forward
•frictional resistance:holds water back

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Types of Streamflow

turbulent:-irregular movement of water
-causes erosion

•laminar:-water moves in smooth/parallel layers:-ex: groundwater