Development of Storm-Water Management Design Criteria to Maintain Geomorphic Stability in Kansas City Metropolitan Area Streams

Fifty-three years of historical precipitation data were applied to the U.S. Environmental Protection Agency Storm Water Management Model (SWMM) to conduct hydrologic and hydraulic simulations, generating continuous stream flow hydrographs in the receiving stream channels. On-site BMP and regional de...

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Bibliographic Details
Published in:Journal of irrigation and drainage engineering 2008-10, Vol.134 (5), p.562-566
Main Authors: Pomeroy, C. A, Postel, N. A, O’Neill, P. A, Roesner, L. A
Format: Article
Language:English
Subjects:
best management practices
floods
geomorphology
hydrologic models
precipitation
shear stress
soil erosion
stormwater management
streams
TECHNICAL PAPERS
urban areas
water quality
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Summary:Fifty-three years of historical precipitation data were applied to the U.S. Environmental Protection Agency Storm Water Management Model (SWMM) to conduct hydrologic and hydraulic simulations, generating continuous stream flow hydrographs in the receiving stream channels. On-site BMP and regional detention criteria were selected to allow postdevelopment replication of predevelopment peak flow frequency exceedance curves and the critical portions of shear stress duration curves. Instream continuous stage data generated by SWMM were used to examine erosion potential through the use of an erosion potential index. Coarse stream bed material were found to be less sensitive to changes in erosion potential due to urbanization, and extended detention ponds designed for flood control and water quality treatment were effective in reducing erosion potential. These controls were less effective in reducing erosion potential of fine loam bed material, indicating reductions of runoff volumes are required to minimize increases in channel erosion. Findings indicate that regional analysis based on local hydrologic and geomorphic characteristics are necessary to identify appropriate storm-water control requirements.
ISSN:0733-9437
1943-4774
DOI:10.1061/(ASCE)0733-9437(2008)134:5(562)