Probabilistic Analysis Of Spills From
Stormwater Detention Facilities
Author(s)
G. Becciu & A. Raimondi
Abstract
Stormwater detention facilities are important tools for flood control in modern
urban drainage systems, since they reduce uncontrolled discharges into receiving
water bodies and improve the efficiency of stormwater treatment plants. In their
modelling it is important to limit the number and the amount of spills to ensure
the maximum efficiency of the storage capacity. In this paper, the overflow
probability distribution function from a stormwater detention facility is derived;
the possibility of pre-filling of the storage capacity from previous runoff events,
that can strongly influence spilled volumes, is considered. Effects of the control
variables and of two different regulation rules on resulting expressions are
investigated and discussed. Finally, an application to a case study is presented.
Keywords: probabilistic analysis, stormwater detention facility, spilled volume,
pre-filling, management rule.
Keywords
probabilistic analysis, stormwater detention facility, spilled volume,
pre-filling, management rule.
Related Book
Other papers in this volume
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