Difference between revisions of "Bioretention: Performance"

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!North Carolina<ref>Li H, Sharkey LJ, Hunt WF, Davis AP. Mitigation of Impervious Surface Hydrology Using Bioretention in North Carolina and Maryland. J Hydrol Eng. 2009;14(4):407-415. doi:10.1061/(ASCE)1084-0699(2009)14:4(407).</ref>
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|loamy sand, 3% OM||120||60||20||>99||-||-||-
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! rowspan=2|North Carolina<ref>Brown RA, Hunt WF. Bioretention Performance in the Upper Coastal Plain of North Carolina. In: Low Impact Development for Urban Ecosystem and Habitat Protection. Reston, VA: American Society of Civil Engineers; 2008:1-10. doi:10.1061/41009(333)95.</ref>
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|rowspan=2|98% sand, 2% fines




<tr><td class="text-center">42</td>
        <td class="text-center">100</td>
        </tr>
<tr><td class="text-center">North Carolina<ref>Li H, Sharkey LJ, Hunt WF, Davis AP. Mitigation of Impervious Surface Hydrology Using Bioretention in North Carolina and Maryland. J Hydrol Eng. 2009;14(4):407-415. doi:10.1061/(ASCE)1084-0699(2009)14:4(407).</ref></td>
            <td class="text-center">loamy sand, 3% OM</td>
            <td class="text-center">120</td>
            <td class="text-center">60</td>
            <td class="text-center">20</td>
            <td class="text-center">>99</td>
            <td class="text-center">-</td>
            <td class="text-center">-</td>
            <td class="text-center">-</td>
        </tr>
<tr><td rowspan=2 class="text-center">North Carolina<ref>Brown RA, Hunt WF. Bioretention Performance in the Upper Coastal Plain of North Carolina. In: Low Impact Development for Urban Ecosystem and Habitat Protection. Reston, VA: American Society of Civil Engineers; 2008:1-10. doi:10.1061/41009(333)95.</ref></td>
<td rowspan=2 class="text-center">98% sand, 2% fines</td>
         <td class="text-center">90</td>
         <td class="text-center">90</td>
         <td class="text-center">30</td>
         <td class="text-center">30</td>

Revision as of 00:56, 15 August 2017

Performance of bioretention with internal water storage[1]
Location Filter media composition Media depth (cm) Internal water storage depth (cm) I/P* Runoff volume reduction (%) TSS reduction (%) TN reduction (%) TP reduction (%)
Montréal[2] 88% sand, 8% fines, 4% OM 180 150 47 97 99 99 99
Virginia[3] 88% sand, 8% fines, 4% OM 180 150 47 97 99 99 99
North Carolina[4] 96% sand, 4% fines 110 88 12 89 58 58 -10
58 93
96 72 13 98
42 100
North Carolina[5]
loamy sand, 3% OM 120 60 20 >99 - - -
North Carolina[6]
98% sand, 2% fines


90 30 12 90 - - -
90 60 12 98 - - -
North Carolina[7] 15% sand, 80% fines, 5% OM 60 45 68 - - 54 63
90 75 68 - - 54 58 
 *Impervious/Pervious ratio, i.e. the area of catchment divided by surface area of the cell


References[edit]

  1. ↑ Liu J, Sample D, Bell C, Guan Y. Review and Research Needs of Bioretention Used for the Treatment of Urban Stormwater. Water. 2014;6(4):1069-1099. doi:10.3390/w6041069.
  2. ↑ Géhéniau N, Fuamba M, Mahaut V, Gendron MR, Dugué M. Monitoring of a Rain Garden in Cold Climate: Case Study of a Parking Lot near Montréal. J Irrig Drain Eng. 2015;141(6):4014073. doi:10.1061/(ASCE)IR.1943-4774.0000836.
  3. ↑ DeBusk KM, Wynn TM. Storm-Water Bioretention for Runoff Quality and Quantity Mitigation. J Environ Eng. 2011;137(9):800-808. doi:10.1061/(ASCE)EE.1943-7870.0000388.
  4. ↑ Brown RA, Asce AM, Hunt WF, Asce M. Underdrain Configuration to Enhance Bioretention Exfiltration to Reduce Pollutant Loads. J Environ Eng. 2011;137(11):1082-1091. doi:10.1061/(ASCE)EE.1943-7870.0000437.
  5. ↑ Li H, Sharkey LJ, Hunt WF, Davis AP. Mitigation of Impervious Surface Hydrology Using Bioretention in North Carolina and Maryland. J Hydrol Eng. 2009;14(4):407-415. doi:10.1061/(ASCE)1084-0699(2009)14:4(407).
  6. ↑ Brown RA, Hunt WF. Bioretention Performance in the Upper Coastal Plain of North Carolina. In: Low Impact Development for Urban Ecosystem and Habitat Protection. Reston, VA: American Society of Civil Engineers; 2008:1-10. doi:10.1061/41009(333)95.
  7. ↑ Passeport E, Hunt WF, Line DE, Smith RA, Brown RA. Field Study of the Ability of Two Grassed Bioretention Cells to Reduce Storm-Water Runoff Pollution. J Irrig Drain Eng. 2009;135(4):505-510. doi:10.1061/(ASCE)IR.1943-4774.0000006.


For review

A shallow excavated surface depression containing prepared filter media, mulch, and planted with selected vegetation.

The engineered soil component of bioretention cell or dry swale designs, typically with a high rate of infiltration and designed to retain contaminants through filtration and adsorption to particles.

The portion of water precipitated onto a catchment area, which then flows as surface discharge from the catchment area past a specified point.

Water from rain, snow melt, or irrigation that flows over the land surface.

Total suspended solids

Total nitrogen

Total phosphorus

Mineral particles which are smaller than 2 mm, and which are free of appreciable quantities of clay and silt. Coarse sand usually designates sand grains with particle size between 0.2 and 0.02 mm.

Soil particles with a diameter less than 0.050 mm.

A hard surface area (e.g., road, parking area or rooftop) that prevents or retards the infiltration of water into the soil.

The land draining to a single reference point (usually a structural BMP); similar to a subwatershed, but on a smaller scale.

A shallow excavated surface depression containing prepared filter media, mulch, and planted with selected vegetation.

Surface runoff from at-grade surfaces, resulting from rain or snowmelt events.

A perforated pipe used to assist the draining of soils.

The downward movement of water through the soil, the downward flow of runoff from the bottom of an infiltration BMP into the soil.

Loss of water from a drainage system as a result of percolation or absorption into the surrounding medium (e.g., the infiltration of water into the native soil through a perforated pipe wall as it is conveyed).

Low impact development is a stormwater management and land development strategy applied at the parcel and subdivision scale that emphasizes conservation and use of on-site natural features integrated with engineered, small scale hydrologic controls to more closely mimic pre-development hydrologic functions.

A stormwater management strategy that seeks to mitigate the impacts of increased urban runoff and stormwater pollution by managing it as close to its source as possible. It comprises a set of site design approaches and small scale stormwater management practices that promote the use of natural systems for infiltration and evapotranspiration, and rainwater harvesting.

A biological community, including humans and their natural environment.

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