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Bioretention: Sizing and modeling
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!style="background: darkcyan; color: white"|Parameter
!style="background: darkcyan; color: white"|Parameter
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|D||hrs||Duration of design storm (for MOECC volume based caclulations set to 1)
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''
D
''
||hrs||Duration of design storm (for MOECC volume based caclulations set to 1)
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|-
|i||mm/hr||Intensity of design storm (for MOECC volume based calculations use whole storm depth (link to map))
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''
i
''
||mm/hr||Intensity of design storm (for MOECC volume based calculations use whole storm depth (link to map))
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|-
|q||mm/hr||Infiltration coefficient, calculated from measured [[Infiltration: Testing| infiltration rate]] and applied [[Infiltration|safety factor]]
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''
q
''
||mm/hr||Infiltration coefficient, calculated from measured [[Infiltration: Testing| infiltration rate]] and applied [[Infiltration|safety factor]]
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|n||-||Porosity, as measured (or default to 0.35)
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n
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||-||Porosity, as measured (or default to 0.35)
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|I||m<sup>2</sup>||Impermeable area i.e. catchment
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I
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||m<sup>2</sup>||Impermeable area i.e. catchment
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|d||m||depth of Infiltration facility or BMP
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d
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||m||depth of Infiltration facility or BMP
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|P||m2<sup>2</sup>||Permeable area i.e. area of the facility or BMP
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P
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||m2<sup>2</sup>||Permeable area i.e. area of the facility or BMP
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