# Difference between revisions of "Retention swales"

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===Trapezoidal channel=== | ===Trapezoidal channel=== | ||

:<math>L=\frac{360,000Q_{p}}{\left\{ b+2.388\left[\frac{Q_{p}n}{\left(2\sqrt{1+m^{2}-m}\right)S^{\frac{1}{2}}}\right ]^{\frac{3}{8}}\sqrt{1+m^{2}} \right \}f}</math> | :<math>L=\frac{360,000Q_{p}}{\left\{ b+2.388\left[\frac{Q_{p}n}{\left(2\sqrt{1+m^{2}-m}\right)S^{\frac{1}{2}}}\right ]^{\frac{3}{8}}\sqrt{1+m^{2}} \right \}f}</math> | ||

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+ | [[category:modeling]] |

## Revision as of 00:37, 19 September 2017

### Triangular channel