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These sizing equations are suggested for use in calculating the capacity of swales which have a larger proportion of surface flow. i.e. grass swales, rather than [[bioswales]].
These sizing equations are suggested for use in calculating the capacity of swales which have a larger proportion of surface flow. i.e. grass swales, rather than [[bioswales]].
In many cases the length of swale required will exceed the available space, so that an underground [[infiltration trenches|infiltration trench]] or a [[Dry ponds| dry pond]] will be a preferred solution.
===Triangular channel===
===Triangular channel===