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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'''. |
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| 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. |
− | <cl>
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| # Marine sand: 0.51 - 0.06 = 0.45 <ref name= Liu> Liu, Ruifen, and Elizabeth Fassman-Beck. “Pore Structure and Unsaturated Hydraulic Conductivity of Engineered Media for Living Roofs and Bioretention Based on Water Retention Data.” Journal of Hydrologic Engineering 23, no. 3 (March 2018): 04017065. doi:10.1061/(ASCE)HE.1943-5584.0001621</ref> | | # Marine sand: 0.51 - 0.06 = 0.45 <ref name= Liu> Liu, Ruifen, and Elizabeth Fassman-Beck. “Pore Structure and Unsaturated Hydraulic Conductivity of Engineered Media for Living Roofs and Bioretention Based on Water Retention Data.” Journal of Hydrologic Engineering 23, no. 3 (March 2018): 04017065. doi:10.1061/(ASCE)HE.1943-5584.0001621</ref> |
| # Marine sand with 10 % compost: 0.51 - 0.11 = 0.40 <ref name= Liu/> | | # Marine sand with 10 % compost: 0.51 - 0.11 = 0.40 <ref name= Liu/> |
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| # Bioretention soil I: 0.71 - 0.1 = 0.61 <ref name= Li> Li, Houng, and Allen P. Davis. “Urban Particle Capture in Bioretention Media. I: Laboratory and Field Studies.” Journal of Environmental Engineering 134, no. 6 (June 2008): 409–18. doi:10.1061/(ASCE)0733-9372(2008)134:6(409).</ref> | | # Bioretention soil I: 0.71 - 0.1 = 0.61 <ref name= Li> Li, Houng, and Allen P. Davis. “Urban Particle Capture in Bioretention Media. I: Laboratory and Field Studies.” Journal of Environmental Engineering 134, no. 6 (June 2008): 409–18. doi:10.1061/(ASCE)0733-9372(2008)134:6(409).</ref> |
| # Bioretention soil II: 0.52 - 0.1 = 0.42 <ref name= Li/> | | # Bioretention soil II: 0.52 - 0.1 = 0.42 <ref name= Li/> |
− | # 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>: |
− | </cl>
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| + | ==References== |
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