Hydrologic Modeling of a Bioinfiltration Best Management Practice.

The goal of this research was to develop a methodology for modeling a bioinfiltration best management practice (BMP) built in a dormitory area on the campus of Villanova University in Pennsylvania. The objectives were to quantify the behavior of the BMP through the different seasons and rainfall events; better understand the physical processes governing the system’s behavior; and develop design criteria. The BMP was constructed in 2001 by excavating within an existing traffic island, backfilling with a sand/soil mixture, and planting with salt tolerant grasses and shrubs native to the Atlantic shore. It receives runoff from the asphalt (0.26 hectare) and turf (0.27 hectare) surfaces of the watershed. Monitoring supported by the hydrologic model shows that the facility infiltrates a significant fraction of the annual precipitation, substantially reducing the delivery of nonpoint source pollution and erosive surges downstream. A hydrologic model was developed using HECHMS to represent the site and the BMP using Green-Ampt and kinematic wave methods. Instruments allow comparison of the modeled and measured water budget parameters. The model, incorporating seasonally variable parameters, predicts the volumes infiltrated and bypassed by the BMP, confirming the applicability of the selected methods for the analysis of bioinfiltration BMPs.

Main Author: Heasom, William.
Other Authors: Traver, Robert G., Welker, Andrea.
Format: Villanova Faculty Authorship
Language: English
Published: 2006
Online Access: http://ezproxy.villanova.edu/login?url=https://digital.library.villanova.edu/Item/vudl:179012
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dc_source_str_mv Journal of the American Water Resources Association 42(5), October 2006, 1329-1347.
author Heasom, William.
author_facet_str_mv Heasom, William.
Traver, Robert G.
Welker, Andrea.
author_or_contributor_facet_str_mv Heasom, William.
Traver, Robert G.
Welker, Andrea.
author_s Heasom, William.
spellingShingle Heasom, William.
Hydrologic Modeling of a Bioinfiltration Best Management Practice.
author-letter Heasom, William.
author_sort_str Heasom, William.
author2 Traver, Robert G.
Welker, Andrea.
author2Str Traver, Robert G.
Welker, Andrea.
dc_title_str Hydrologic Modeling of a Bioinfiltration Best Management Practice.
title Hydrologic Modeling of a Bioinfiltration Best Management Practice.
title_short Hydrologic Modeling of a Bioinfiltration Best Management Practice.
title_full Hydrologic Modeling of a Bioinfiltration Best Management Practice.
title_fullStr Hydrologic Modeling of a Bioinfiltration Best Management Practice.
title_full_unstemmed Hydrologic Modeling of a Bioinfiltration Best Management Practice.
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description The goal of this research was to develop a methodology for modeling a bioinfiltration best management practice (BMP) built in a dormitory area on the campus of Villanova University in Pennsylvania. The objectives were to quantify the behavior of the BMP through the different seasons and rainfall events; better understand the physical processes governing the system’s behavior; and develop design criteria. The BMP was constructed in 2001 by excavating within an existing traffic island, backfilling with a sand/soil mixture, and planting with salt tolerant grasses and shrubs native to the Atlantic shore. It receives runoff from the asphalt (0.26 hectare) and turf (0.27 hectare) surfaces of the watershed. Monitoring supported by the hydrologic model shows that the facility infiltrates a significant fraction of the annual precipitation, substantially reducing the delivery of nonpoint source pollution and erosive surges downstream. A hydrologic model was developed using HECHMS to represent the site and the BMP using Green-Ampt and kinematic wave methods. Instruments allow comparison of the modeled and measured water budget parameters. The model, incorporating seasonally variable parameters, predicts the volumes infiltrated and bypassed by the BMP, confirming the applicability of the selected methods for the analysis of bioinfiltration BMPs.
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dc.title Hydrologic Modeling of a Bioinfiltration Best Management Practice.
dc.creator Heasom, William.
Traver, Robert G.
Welker, Andrea.
dc.description The goal of this research was to develop a methodology for modeling a bioinfiltration best management practice (BMP) built in a dormitory area on the campus of Villanova University in Pennsylvania. The objectives were to quantify the behavior of the BMP through the different seasons and rainfall events; better understand the physical processes governing the system’s behavior; and develop design criteria. The BMP was constructed in 2001 by excavating within an existing traffic island, backfilling with a sand/soil mixture, and planting with salt tolerant grasses and shrubs native to the Atlantic shore. It receives runoff from the asphalt (0.26 hectare) and turf (0.27 hectare) surfaces of the watershed. Monitoring supported by the hydrologic model shows that the facility infiltrates a significant fraction of the annual precipitation, substantially reducing the delivery of nonpoint source pollution and erosive surges downstream. A hydrologic model was developed using HECHMS to represent the site and the BMP using Green-Ampt and kinematic wave methods. Instruments allow comparison of the modeled and measured water budget parameters. The model, incorporating seasonally variable parameters, predicts the volumes infiltrated and bypassed by the BMP, confirming the applicability of the selected methods for the analysis of bioinfiltration BMPs.
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