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Created page with "{{plainlist| *Five percent of the average annual yield can be estimated: *<strong>Y<sub>0.05</sub>= A × C<sub>vol, A</sub> × R<sub>a</sub> × e × 0.05</strong> *Y<sub>..."
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*Five percent of the average annual yield can be estimated:
*<strong>Y<sub>0.05</sub>&#61; A × C<sub>vol, A</sub> × R<sub>a</sub> × e × 0.05</strong>
*Y<sub>0.05</sub> &#61; Five percent of the average annual yield (L)
*A &#61; The catchment area (m<sup>2</sup>)
*C<sub>vol, A</sub> &#61; The annual runoff coefficient for the catchment
*R<sub>a</sub> &#61; The average annual rainfall depth (mm)
*e &#61; The efficiency of the pre-storage filter
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* Five percent of the average annual yield can be estimated
* e &#61; The efficiency of the pre-storage filter
}}
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