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__NOTOC__
__NOTOC__
<imagemap>
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Image:Infiltration.png|thumb|700 px|This is an image map; clicking on components will load the appropriate article.
Image:Infiltration.png|thumb|700 px|This is an image map; clicking on components will load the appropriate article.
rect 238 266 397 329 [[Bioretention: Sizing]]
rect 238 266 397 329 [[Bioretention: Sizing]]
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It is best applied to calculate the limited duration ponding on the surface of [[bioretention cells]], [[bioswales]] and [[enhanced grass swales]].
It is best applied to calculate the limited duration ponding on the surface of [[bioretention cells]], [[bioswales]] and [[enhanced grass swales]].
To calculate the time (''t'') to fully drain the facility through the footprint area only:
To calculate the time (''t'') to fully drain the facility through the footprint area only:
<math>t=\frac{nd}{K}</math>
<math>t=\frac{d}{K}</math>
==Drawdown time to empty facility==
==Drawdown time to empty facility==