Constructed wetlands for stormwater management.

Yu, S. L.; Fitch, G. M.; Earles, T. A.; Virginia. Dept. of Transportation; United States. Federal Highway Administration

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Constructed wetlands for stormwater management.

1998-07-01
By Yu, S. L. ; Fitch, G. M. ; Earles, T. A.

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English

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Details:

Creators:

Yu, S. L. ; Fitch, G. M. ; Earles, T. A.

Yu, S. L. ; Fitch, G. M. ; Earles, T. A. Less -
Corporate Creators:

Virginia. Dept. of Transportation ; United States. Federal Highway Administration

Virginia. Dept. of Transportation ; United States. Federal Highway Administration Less -
Subject/TRT Terms:

[+]

Construction Drainage Geographic Information Systems Highways Mathematical Models Mitigation National Pollutant Discharge Elimin Path Of Pollutants Removal Runoff Sites Storm Water Runoff Surface Runoff Vegetation Water Pollution Control Watersheds Wetlands
Publication/ Report Number:

VTRC-98-R35
Resource Type:

Tech Report
Geographical Coverage:

Virginia
Edition:

Final Report: 12/94 - 3/98
Corporate Publisher:

Virginia Transportation Research Council (VTRC)
Abstract:

This report presents the results of research to evaluate the potential of utilizing mitigated wetlands as stormwater Best Management Practices (BMPs). Results of wetland monitoring, wetland modeling, and geographic information system (GIS) development are presented. Average removal rates as high as 90% for total suspended solids (TSS), 65% for chemical oxygen demand (COD), 70% for total phosphorus (TP) and orthophosphate (OP), and 50% for zinc (Zn) were observed at study sites. Despite having stormwater runoff as a primary water source, the monitored sites supported apparently healthy and diverse vegetation, and a variety of wildlife. A mathematical model of transport of a pollutant in dissolved and particulate forms in a two segment, two-state system was developed. The model includes settling, diffusion, adsorption to plant and substrate, and vegetative uptake mechanisms. A GIS was developed to improve management of existing mitigated wetlands and to aid in siting of future mitigation sites. A link between a watershed model and this GIS is also described. The report concludes that mitigated wetlands may be as effective as conventional BMPs at improving the quality and at controlling the quantity of highway storm runoff.
Format:

PDF
Funding:

1459-030
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:525b29a3383ca9c6d59820ad15bbcf3a322dab46d911d118225b720908a5dc9b
Download URL:

https://rosap.ntl.bts.gov/view/dot/15611/dot_15611_DS1.pdf
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Constructed wetlands for stormwater management.

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