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Dry ponds
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Revision as of 21:35, 6 March 2018
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6 years ago
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→Design
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==Design==
==Design==
<h3>
Sizing
</h3>
===
Sizing
===
The surface storage volume of a dry pond (''A<sub>p</sub>'') is
simply
determined:
The surface storage volume of a dry pond (''A<sub>p</sub>'') is determined:
<math>A_{p}=\frac{RVC_T\times A_{c}}{q\times t_{drawdown}}</math>
<math>A_{p}=\frac{RVC_T\times A_{c}}{q\times t_{drawdown}}</math>
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Line 14:
*''RVC<sub>T</sub>'' = [[Runoff volume control target]] (mm)
*''RVC<sub>T</sub>'' = [[Runoff volume control target]] (mm)
*''A<sub>c</sub>'' = Area of the catchment (m<sup>2</sup>)
*''A<sub>c</sub>'' = Area of the catchment (m<sup>2</sup>)
*''
q
'' = infiltration rate (mm/hr)
*''
f'
'' =
design
infiltration rate (mm/hr)
*''t'' = [[drawdown time]] (hrs)}}
*''t'' = [[drawdown time]] (hrs)}}
Jenny Hill
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