Green-Ampt Model Of A Rain Garden And Comparison
To Richards Equation Model
Author(s)
A. Dussaillant, K. Cozzetto, K. Brander & K. Potter
Abstract
Green-Ampt model of a rain garden and
comparison to Richards equation model
A. ~ussaillant', K. cozzetto2, K. ~rande? & K. ~otte?
I Department of Hydraulic and Environmental Engineering,
P. Universidad Catdlica, Chile.
'U. Wisconsin-Madison, U S.A.
Abstract
Traditional stormwater management, which relies heavily on detention storage,
does not mitigate groundwater depletion resulting fxom groundwater pumping
and loss of groundwater recharge. There has been an increasing interest in the use
of alternative practices, such as rain gardens, that enhance infiltration of
stormwater. A rain garden is a landscaped garden in a shallow depression of
relatively small area that receives the stonnwater from an impervious surface. We
developed a simple numerical model that can be applied in the design and
evaluation of rain gardens. Water flow through the rain garden soil is modelled
over three layers: a root zone, a middle storage layer of hlgh conductivity, and a
lower layer that represents the subsoil at
Keywords
Related Book
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