Processes utilized by Best Management Practices - Swales and Strips
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Dry swale IFilter strip / grass buffer Grass channel Level spreader Wet swale X
Pretreatment X X
HYDRAULIC PROCESSES Attenuation X X X
Infiltration / Runoff reduction
Evaporation X
Transpiration X
PHYSICAL PROCESSES Screening X
Sedimentation X X X
Filtration X X X X
Flotation / Skimming X
Laminar Separation
Swirl concentration
BIOLOGICAL PROCESSES Plant metabolism X
Pathogen die-off X X X X
Nitrification / denitrification
CHEMICAL PROCESSES Precipitation
Coagulation
Sorption/Ion Exchange X
OTHER Thermal / temperature X X X X