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;Biofilter
;Biofilter
;biofilter
;biofilter
;Biofilters
;biofilters
;biofilters
:A bioretention BMP featuring an impermeable liner and underdrain that prevents infiltration of runoff into the underlying native soil; provides sedimentation and filtration of urban runoff as it passes through the mulch layer, engineered filter media and vegetation root zone.
:A bioretention BMP featuring an impermeable liner and underdrain that prevents infiltration of runoff into the underlying native soil; provides sedimentation and filtration of urban runoff as it passes through the mulch layer, engineered filter media and vegetation root zone.
;Pond
;Pond
;pond
;pond
:A body of water smaller than a lake, often artificially formed.
:A body of water smaller than a lake, often artificially formed.
;Porosity
;porosity
:The porosity ('''''n''''') of a mixture is the ratio of the volume of void-space to the total or bulk volume of the mixture. It is closely related to the concept of void ratio ('''''e''''') where void ratio is the ratio of the volume of void-space to the volume of solids. '''''n''''' = Volume of voids/Total volume of mixture = '''''e'''''/(1+'''''e''''')
;Precipitation
;Precipitation
;UV disinfection
;UV disinfection
:A process of disinfecting that involves subjecting the item, object, or instrument to ultraviolet radiation.
:A process of disinfecting that involves subjecting the item, object, or instrument to ultraviolet radiation.
;Void ratio
;void ratio
;Void space ratio
;void space ratio
:The void ratio ('''''e''''') of a mixture is the ratio of the volume of void-space to the volume of solids. It is closely related to the concept of porosity ('''''n''''') where porosity is the ratio of the volume of void-space to the total or bulk volume of the mixture. '''''e''''' = Volume of voids/Volume of solids = '''''n'''''/(1-'''''n''''')
;Watercourse
;Watercourse