Processes utilized by Best Management Practices - Swales and Strips Processes utilized by Best Management Practices - Swales and Strips

Processes utilized by Best Management Practices - Swales and Strips. Sources: WEF, 2012; Strecker, 2005.
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		Dry swale	IFilter strip / grass buffer	Grass channel	Level spreader	Wet swale
	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