Difference between revisions of "Retention swales"

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===Triangular channel===
===Triangular channel===
:<math>L=\frac{151,400Q_{p}^{\frac{5}{8}}m^{\frac{5}{8}}S^{\frac{3}{16}}}{n^{\frac{3}{8}}\left (\sqrt{1+m^{2}}  \right )^{\frac{5}{8}}f}</math>
Sizing a triangular channel for complete volume retention:


<math>L=\frac{151,400Q_{p}^{\frac{5}{8}}m^{\frac{5}{8}}S^{\frac{3}{16}}}{n^{\frac{3}{8}}\left (\sqrt{1+m^{2}}  \right )^{\frac{5}{8}}f}</math>


===Trapezoidal channel===
===Trapezoidal channel===

Revision as of 00:44, 19 September 2017

Triangular channel

Sizing a triangular channel for complete volume retention:

Trapezoidal channel