Running water
Streamflow
•Two types of flow determined primarily by
velocity
•Laminar flow
•Turbulent flow
•Factors that determine velocity
•Gradient, or slope
•Channel characteristics including shape, size,
and roughness
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Stream Flow - Dynamic Earth - Lecture Slides, Slides of Earth Sciences
Streamflow, Running Water, Laminar Flow, Turbulent Flow, Gradient, Slope, Factors that Determine Velocity, Changes from Upstream to Downstream, Measuring Stream Discharge are important points of this lecture of dynamic earth course.
Typology: Slides
2011/2012
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Running water
Streamflow
- Two types of flow determined primarily by
velocity
- Laminar flow
- Turbulent flow
- Factors that determine velocity
- Gradient, or slope
- Channel characteristics including shape, size, and roughness
Turbulent Flow: White
Water!
Running water
Streamflow
- Factors that determine velocity
- Discharge – the volume of water moving past a given point in a certain amount of time
Changes from upstream to downstream
- Profile
- Cross-sectional view of a stream
- Viewed from the head (headwaters or source) to the mouth of a stream
Discharge: cubic feet per
minute, Carmel River
Measuring Stream Discharge
Running water
Changes from upstream to downstream
- Profile
- Profile is a smooth curve
- Gradient decreases downstream
- Factors that increase downstream
- Velocity
- Discharge
- Channel size
Big River
Running water
Changes from upstream to downstream
- Factors that decrease downstream
- Gradient
- Channel roughness
Base level and graded streams
- Base level is the lowest point to which a