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Powerpoint 5, Vary storm-to-storm - Coggle Diagram
Powerpoint 5
Permanent controls
Basin size
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Large
Flashy
Theoretically, more flashy as it catches more water to move into the channel.
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Basin aspect
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South
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Southern slopes tend to have more things growing on them, meaning higher root uptake of water
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Transient controls
Precipitation intensity
Short and Sharp
Flashy
There is no real time for the water to infiltrate into the soil, meaning more surface runoff into the rivers
Long and gentle
Subdued
There is time for the water to percolate into the soil and the ground, meaning less surface runoff.
Precipitation type
Snow fall and then thaw
Flashy
Snow will all melt at once, meaning that it runs into the river together
If there has been snow, the ground may be frozen meaning higher surface runoff
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Type of vegetation cover
Coniferous woodland
Subdued
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Massive root systems in Coniferous trees.,
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Storm hydrographs
Tracks a storm event, not annual discharge
Discharge is on the Y axis, Time on the X axis
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