An evaluation of applying existing bioretention sizing methods to cold climates with snow storage conditions

Eight of the current sizing and design methods proposed for bioretention facilities were evaluated for rainfall runoff and snow storage volumes for a costal cold climate in Trondheim, Norway. The RECARGA bioretention infiltration model was used to compare the performance of the methods using 30 mont...

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Bibliographic Details
Published in:Water science and technology 2007-01, Vol.56 (10), p.73-81
Main Authors: Muthanna, T M, Viklander, M, Thorolfsson, S T
Format: Article
Language:English
Subjects:
Climate
Cold
Cold Climate
Cold storage
Cold weather
Design
Design parameters
Duration
Evaluation
Infiltration
Methods
Models, Theoretical
Overflow
Ponding
Rain
Rainfall
Rainfall-runoff relationships
Retention basins
Runoff
Sizing
Snow
Snow storage
Storage conditions
Storage requirements
Urban Water Engineering
VA-teknik
Waste Disposal, Fluid - methods
Water Movements
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Description
Summary:Eight of the current sizing and design methods proposed for bioretention facilities were evaluated for rainfall runoff and snow storage volumes for a costal cold climate in Trondheim, Norway. The RECARGA bioretention infiltration model was used to compare the performance of the methods using 30 months of observed data from a pilot scale bioretention box. The surface areas, total ponding time, number and duration of overflow events, and snow storage volumes were compared. It was found that even in a costal cold climate with several intermittent melt cycles die snow storage requirements were an important design parameter, and if more than 25% of the total snow volume should stored this became the deciding design parameter.
ISSN:0273-1223
1996-9732
1996-9732
DOI:10.2166/wst.2007.745