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[[File:Bioretention storage.png|thumb|box plot of nine documented bioretention media]]
[[File:Bioretention storage.png|thumb|box plot of nine documented bioretention media]]
Bioretention filter media may be assumed to have a storage capacity of 0.4.
Bioretention filter media may be assumed to have a [[Bioretention: Filter media|filter media porosity]] of '''0.4'''.
This has been calculated as the difference between the media porosity and field capacity from a number of studies.
This has been calculated as the difference between the media porosity and field capacity from a number of studies.
# M minus mean θ<sub>ini</sub>: 0.76 - 0.32 = 0.44 <ref> Roy-Poirier, A., Y. Filion, and P. Champagne. “An Event-Based Hydrologic Simulation Model for Bioretention Systems.” Water Science and Technology 72, no. 9 (November 11, 2015): 1524–33. doi:10.2166/wst.2015.368.</ref>:
# M minus mean θ<sub>ini</sub>: 0.76 - 0.32 = 0.44 <ref> Roy-Poirier, A., Y. Filion, and P. Champagne. “An Event-Based Hydrologic Simulation Model for Bioretention Systems.” Water Science and Technology 72, no. 9 (November 11, 2015): 1524–33. doi:10.2166/wst.2015.368.</ref>:
==References==
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