week4 - Runoff Characteristics Runoff Characteristics Peak...

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unoff Characteristics Runoff Characteristics eak low: maximum rate of flow used for Peak Flow: maximum rate of flow, used for design epth: volume of runoff generated per unit • Depth: volume of runoff generated per unit watershed area • Time of concentration: travel time of water from the furthermost point in the watershed to the outlet
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urface Runoff Surface Runoff Peak flow rate found using: “The Rational Method” = C Q C x i x A Where: Q = Maximum (or Peak) Surface Runoff Rate (cfs) = Runoff Coefficient C = Runoff Coefficient I = Rainfall Intensity (in/hr) = Site Area (acre) A Site Area (acre)
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urface Runoff Surface Runoff Soil Classification Groups A: Sand and silts B: Sandy loam (muddy) soils : Clayey loam (muddy) soils C: Clayey loam (muddy) soils D: Clay (swell when wet) Source: McCuen [1998]: ydrologic Analysis and Design Hydrologic Analysis and Design, Prentice Hall
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tormwater Management Stormwater Management Henderson Creek (Belle Meade, FL)
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tormwater Management Stormwater Management Stormwater drainage system, Immokalee, FL
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tormwater Management Stormwater Management Stormwater drainage canal, Kingston, Jamaica
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re there regulatory requirements?
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week4 - Runoff Characteristics Runoff Characteristics Peak...

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