FL Stormwater Questions And Answers
Biological effects of erosion and sedimentation (list 3) Reduced light for aquatic plants
Clogs fish gills
Impairs spawning
Disrupts food chain
Blankets bottom
Suppresses aquatic life
Disrupts ecosystem
Planning the development to fit the terrain using t...
Biological effects of erosion and sedimentation (list 3) Reduced light for aquatic plants
Clogs fish gills
Impairs spawning
Disrupts food chain
Blankets bottom
Suppresses aquatic life
Disrupts ecosystem
Planning the development to fit the terrain using the particular... topography
soils
drainage patterns
natural vegetation of the site
minimize the extent of the area exposed at one time and the duration of exposure
Apply ______ practices to protect the disturbed area from off-site runoff and to protect off-site
areas from sediment damage perimeter control
, FL Stormwater Questions And Answers
Apply ______ practices to prevent excessive on-site damage erosion control
Keep runoff velocities ___ and _____ runoff on the site. low; retain
It is very important to stabilize disturbed areas _____ after final grading to prevent raindrop
impacts from causing erosion. immediately
Implement a thorough _____ and ______ (inspection) program as required in the Construction
Generic Permit (CGP). maintenance, follow-up
Soil particles smaller than 0.002mm are classified as... clay and muck
The 2 soil types that cause the most erosion/turbidity problems in FL and the world clay
and muck
Soils in the Type A hydrologic group high infiltration, low runoff
Soils in the Type D hydrologic group low infiltration, high runoff
, FL Stormwater Questions And Answers
Universal Soil Loss Equation (USLE) A formula that can be used to calculate rates of soil
erosion.
A=RKLSCP
What is the only factor in the Universal Soil Loss Equation outside of the developer's control?
Rainfall index
The soil loss factors most easily manipulated by the developer Slope length
Slope gradient
Cover factor
RUSLE Revised Universal Soil Loss Equation
The RUSLE is used on construction sites to predict... soil loss
Stabilize disturbed lands immediately to save... money
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