Monitoring the effects of Birmingham Northern Beltline construction in the Little Cahaba Creek Watershed : final report.

Vasconcelos, Jose G.; Zech, Wesley C.; Moore, Mitchell F.; Butler, Catherine G.; Cai, Zhengqing; Auburn University. Highway Research Center

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Monitoring the effects of Birmingham Northern Beltline construction in the Little Cahaba Creek Watershed : final report.

2016-05-01
By Vasconcelos, Jose G. ; Zech, Wesley C. ; Moore, Mitchell F. ; ...

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English

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Creators:

Vasconcelos, Jose G. ; Zech, Wesley C. ; Moore, Mitchell F. ; Butler, Catherine G. ; Cai, Zhengqing

Vasconcelos, Jose G. ; Zech, Wesley C. ; Moore, Mitchell F. ; Butler, Catherine G. ; Cai, Zhengqing Less -
Corporate Creators:

Auburn University. Highway Research Center
Corporate Contributors:

Alabama. Department of Transportation
Subject/TRT Terms:

[+]

Construction Environmental Control Hydrological Modeling Runoff Stormwater Management Water Quality Water Quality Management Watershed Monitoring Watersheds
Publication/ Report Number:

Report No. ALDOT 930-837R
Resource Type:

Tech Report
Geographical Coverage:

United States ; Alabama

United States ; Alabama Less -
Edition:

Final report
Corporate Publisher:

Auburn University. Highway Research Center
Abstract:

The Alabama Department of Transportation (ALDOT) has proactively aligned new roadway development

projects with sustainable principles, including roadway stormwater runoff management. The new Birmingham

Northern Beltline (BNB), currently under construction, intercepts a number of streams and has drawn criticism

of environmental groups. This research was conceived as a means to provide an objective assessment of

roadway stormwater runoff impacts to streams in a watershed that is representative of the region spanned by

BNB. This research also aims to provide baseline data in terms of watershed hydrology and water quality to

assess eventual impacts of the BNB construction to the Little Cahaba Creek (LCC) watershed, at a site where

Interstate 59 (I-59) intercepts LCC north of Trussville, AL. Various hydrological parameters and water quality

parameters were monitored in LCC watershed. Measurements indicated hydrological impacts created by runoff

in I-59, particularly a flashy behavior created by contributions from pavement and median runoff. Regarding

water quality measurements, the concentration of nutrients and heavy metals were consistent with levels

measured in runoff from comparable land uses. These metals’ concentrations, however, were higher for

samples collected in drainage ditches next to the roadway, as it would be anticipated. However, the

macroinvertebrate evaluation performed at sites upstream and downstream from the crossing between I-59

and LCC indicates runoff has not impacted the biological diversity across the stream-roadway interception.

These results indicate that with proper stormwater management, roadway stormwater runoff impacts may

indeed be mitigated.
Format:

PDF
Funding:

Project number 930-837R
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:ee4442baf8d6c3c1399fea3e5feb347be8312e8fbe7ed1de703fe065eb1d89fe
Download URL:

https://rosap.ntl.bts.gov/view/dot/32192/dot_32192_DS1.pdf
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Monitoring the effects of Birmingham Northern Beltline construction in the Little Cahaba Creek Watershed : final report.

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