Designing for Infiltration — A Perspective

Traver, Robert G.; DeBarry, Paul A.

doi:10.1061/40685(2003)325

Cited by 4 publications

(2 citation statements)

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“…Analysis of precipitation and runoff by Traver and DeBarry () in southern Pennsylvania indicated that 80% of total annual precipitation volume can be captured by retaining the first 25 mm of each rainfall event. Previous studies have found that rain gardens and bioretention cells reduce runoff volume by 30–99% (Schlea, ; Strauch, Rus, & Holm, ).…”

Section: Resultsmentioning

confidence: 99%

Hydrologic processes that govern stormwater infrastructure behaviour

Eger

Chandler

Driscoll

2017

Hydrological Processes

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Using water budget data from published literature, we demonstrate how hydrologic processes govern the function of various stormwater infrastructure technologies. Hydrologic observations are displayed on a Water Budget Triangle, a ternary plot tool developed to visualize simplified water budgets, enabling side‐by‐side comparison of green and grey approaches to stormwater management. The tool indicates ranges of hydrologic function for green roofs, constructed wetlands, cisterns, bioretention, and other stormwater control management structures. Water budgets are plotted for several example systems to provide insight on structural and environmental design factors, and seasonal variation in hydrologic processes of stormwater management systems. Previously published water budgets and models are used to suggest appropriate operational standards for several green and grey stormwater control structures and compare between conventional and low‐impact development approaches. We compare models, characterize and quantify water budgets and expected ranges for green and grey infrastructure systems, and demonstrate how the Water Budget Triangle tool may help users to develop a data‐driven approach for understanding design and retrofit of green stormwater infrastructure.

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Section: Resultsmentioning

confidence: 99%

Hydrologic processes that govern stormwater infrastructure behaviour

Eger

Chandler

Driscoll

2017

Hydrological Processes

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“…Consequently, a relatively small feature in a catchment area can capture and infiltrate a large proportion of the total annual precipitation. In this area, near the gauged Brandywine basin, an analysis of 57 years of records revealed that 80 percent of the total annual precipitation volume can be captured by retaining the first 25 mm of each rainfall event (Traver and Debarry, 2003). Because the runoff held is from the earlier part of each storm, often called the "first flush," it contains much of the polluting material that is washed off the paved surfaces.…”

Section: Bioinfiltration Bmpmentioning

confidence: 99%

Hydrologic Modeling of a Bioinfiltration Best Management Practice

Heasom¹,

Traver²,

Welker³

2006

J Am Water Resources Assoc

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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 HEC-HMS 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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Modeling a Bioinfiltration Basin

Heasom¹

2005

Impacts of Global Climate Change

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Designing for Infiltration — A Perspective

Cited by 4 publications

References 0 publications

Hydrologic processes that govern stormwater infrastructure behaviour

Hydrologic processes that govern stormwater infrastructure behaviour

Hydrologic Modeling of a Bioinfiltration Best Management Practice

Modeling a Bioinfiltration Basin

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