*''d<sub>r</sub>'' is the depth of the storage reservoir (m).}}
*''d<sub>r</sub>'' is the depth of the storage reservoir (m).}}
Note that narrow, linear bioretention features (or [[bioswales]]) drain faster than round or blocky footprint geometries (see above right figure).
Note that narrow, linear bioretention features (or [[bioswales]]) drain faster than round or blocky footprint geometries because they have larger perimeters (see above right figure).